50009100010000
500091000100
Petroleum Well
DF
1630190
ROMIG PARK INC
1
EXP
P&A
1-OIL
EXPLORATORY
COOK INLET BASIN
S
E
N
W
Seward
8/13/1997
3/12/1964
10/20/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100010000.LAS
50009100030000
500091000300
1630150
UNION OIL CO OF CALIFORNIA
KNIK ARM ST
6/11/1999
8/31/1963
7/26/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100030000.LAS
50009100040000
500091000400
KB
1650370
ATLANTIC RICHFIELD CO
LORRAINE ST
2/25/1966
12/27/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100040000.LAS
50009100050000
500091000500
Gr
1000020
ALASKA GULF OIL DEV
ALASKA GULF
9/6/1955
6/26/1955
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100050000.LAS
50009100060000
500091000600
1600330
KNIK ARM
2
10/22/1960
10/10/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100060000.LAS
50009100070000
500091000700
1610350
FISH CK UNIT
12-8
10/2/1961
9/3/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100070000.LAS
50009100080000
500091000800
1600320
10/8/1960
9/23/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100080000.LAS
50009100090000
500091000900
1660060
AUSTRAL OIL CO
NEEDHAM
5/7/1966
3/31/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100090000.LAS
50009100110000
500091001100
1650160
WALLACE MINING CO
WALLACE-KNUTSON
1-A
4/30/1966
6/16/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100110000.LAS
50009100120000
500091001200
1630010
BP ALASKA INC
WASILLA ST
2/25/1963
1/21/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100120000.LAS
50009100130000
500091001300
1620100
PITTMAN
5/27/1962
3/15/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100130000.LAS
50009100150000
500091001500
1000040
ANCHORAGE GAS AND OIL DEV
ROSETTA
5/21/1956
5/10/1956
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100150000.LAS
50009100160000
500091001600
1000050
3
SUSP
1/1/1982
8/1/1959
7/25/1956
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100160000.LAS
50009100170000
500091001700
1590080
4
5/9/1996
10/7/1961
8/13/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009100170000.LAS
50009200010000
500092000100
1680810
PAN AMERICAN
BIG LAKE  USA
10/21/1968
9/17/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200010000.LAS
50009200020000
500092000200
1690290
HILL PRODUCTION CO
FISHHOOK
8/4/2005
5/7/1969
4/18/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200020000.LAS
50009200030000
500092000300
1691120
LOVELY LUM
BEAVER LAKES ST
10/15/1993
2/23/1970
12/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200030000.LAS
50009200039000
500092000390
1750230
LITTLE BEAR PETROLEUM CORP
1-B
1-GAS
5/19/1993
9/18/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200039000.LAS
50009200040000
500092000400
1710280
AMERICAN QUASAR PETROLEUM CO
AM QUASAR BIG LK
1/6/1972
11/21/1971
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200040000.LAS
50009200050000
500092000500
1730080
GREAT PLAINS (AMERICAN) INC
HORSESHOE LK ST
5/15/1973
3/10/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200050000.LAS
50009200060000
500092000600
1911300
ARCO ALASKA INC
BIG LAKE
BLT-01
3/24/1994
3/24/1992
1/5/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200060000.LAS
50009200080000
500092000800
1940690
STATE OF ALASKA, DNR
ALASKA 94 CBM
INFO
8/12/1996
5/24/1994
4/12/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50009200080000.LAS
50133100010000
501331000100
1650360
EDNA MAY WALKER  USA
4/1/1966
11/25/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100010000.LAS
50133100020000
501331000200
1620240
NINILCHIK
8/9/2005
12/2/1962
7/20/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100020000.LAS
50133100030000
501331000300
1640030
MOBIL OIL CORP
NINILCHIK UNIT
1/4/2010
5/22/1964
3/22/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100030000.LAS
50133100040000
501331000400
1001440
STANDARD OIL CO OF CALIFORNIA
DEEP CK
1-RD
DEEP CREEK
7/5/2005
8/6/1958
3/19/1958
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100040000.LAS
50133100050000
501331000500
1600420
MARATHON OIL CO
NINILCHIK UNIT FALLS CK
DEV
2/19/2004
4/24/1961
12/7/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100050000.LAS
50133100060000
501331000600
1660230
8/22/2002
7/18/1966
6/19/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100060000.LAS
50133100070000
501331000700
1640020
KASILOF ST
KASILOF
1/8/2009
6/28/1964
3/11/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100070000.LAS
50133100080000
501331000800
1640090
8/5/1964
7/1/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100080000.LAS
50133100100000
501331001000
1660070
TRINITY CANADIAN DRILLING
HOMESTEADERS
9/3/1966
4/10/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100100000.LAS
50133100110000
501331001100
1630110
STERLING UNIT
43-09
SER
WDSP2
STERLING
10/1/2004
7/5/1963
6/19/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100110000.LAS
50133100120000
501331001200
1610140
23-15
11/17/1993
7/11/1961
5/5/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100120000.LAS
50133100130000
501331001300
1660340
KENAI UNIT
41-02
8/10/2005
9/28/1966
9/14/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100130000.LAS
50133100140000
501331001400
1640140
13-08
KENAI C.L.U.
12/8/1964
11/22/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100140000.LAS
50133100170000
501331001700
1630170
NAPTOWNE UNIT
24-08
4/27/1966
1/9/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100170000.LAS
50133100180000
501331001800
1620160
CHEVRON USA INC
W FORK UNIT
233-16
W FORK
4/26/1962
3/29/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100180000.LAS
50133100190000
501331001900
1600240
SEAGULL ENERGY CORP
WEST FORK
9/9/2005
9/26/1960
6/15/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100190000.LAS
50133100200000
501331002000
1620250
43-28
7/7/1962
6/26/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100200000.LAS
50133100210000
501331002100
1620360
SINCLAIR OIL AND GAS
SWAN LK UNIT
2/22/1963
1/10/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100210000.LAS
50133100220000
501331002200
1620200
SOLDOTNA CK UNIT
22-32
9/19/2000
9/21/1962
4/29/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100220000.LAS
50133100230000
501331002300
1600260
HALBOUTY ALASKA OIL
BISHOP CK UNIT
11-11
9/10/1960
8/20/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100230000.LAS
50133100250000
501331002500
1610310
9/25/1961
8/6/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100250000.LAS
50133100270000
501331002700
1660120
W FORELAND UNIT
W FORELAND
9/12/1966
5/25/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100270000.LAS
50133100280000
501331002800
1610490
COOK INLET ENERGY, LLC
1/20/2010
10/27/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100280000.LAS
50133100290000
501331002900
1650010
BIRCH HILL UNIT
22-25
BIRCH HILL
5/18/2000
6/9/1965
1/30/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100290000.LAS
50133100360000
501331003600
1660540
TEXACO INC
PT POSSESSION UNIT
7/3/1967
12/23/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100360000.LAS
50133100420000
501331004200
1660600
BEAVER CK UNIT
01
BEAVER CREEK
6/15/1967
1/4/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100420000.LAS
50133100870000
501331008700
RT
1600310
14-04
KENAI
8/5/1996
11/21/1960
10/18/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100870000.LAS
50133100880000
501331008800
1650170
11-06
2-GAS
SI
10/27/2000
6/30/1965
6/17/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100880000.LAS
50133100890000
501331008900
1590030
14-06
2/22/2007
10/11/1959
5/28/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100890000.LAS
50133100890100
501331008901
1740500
14-06RD
3/19/2003
10/24/1974
10/6/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100890100.LAS
50133100900000
501331009000
1650060
21-06
5/30/2002
5/24/1965
5/6/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100900000.LAS
50133100910000
501331009100
1650090
43-06
1/11/2006
6/13/1965
5/26/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100910000.LAS
50133100920000
501331009200
1650080
21-07
12/18/2006
5/27/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100920000.LAS
50133100930000
501331009300
1650110
43-07
7/3/1965
6/15/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100930000.LAS
50133100940000
501331009400
1600350
41-19
1/10/1961
12/23/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100940000.LAS
50133100940100
501331009401
1610020
44-18
7/25/2000
1/29/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100940100.LAS
50133100950000
501331009500
1640010
33-01
10/30/2008
2/27/1964
1/28/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100950000.LAS
50133100960000
501331009600
1590150
33-30
12/21/1959
11/28/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100960000.LAS
50133100970000
501331009700
1590130
34-31
1G-GS
7/26/2007
11/23/1959
10/28/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100970000.LAS
50133100980000
501331009800
1650070
33-32
2G-GS
5/1/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100980000.LAS
50133100990000
501331009900
1610040
12-03
SWANSON RIVER
1/12/1993
3/23/1961
2/7/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133100990000.LAS
50133101000000
501331010000
1610230
314-03
10/26/1995
8/2/1961
6/16/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101000000.LAS
50133101010000
501331010100
1610400
21-03
7/7/2005
1/4/1962
11/9/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101010000.LAS
50133101020000
501331010200
1630120
23-03
11/12/1963
7/12/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101020000.LAS
50133101030000
501331010300
1610010
12-04
4/8/1961
2/25/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101030000.LAS
50133101070000
501331010700
1600190
332-04
11/28/1997
6/5/1960
3/30/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101070000.LAS
50133101080000
501331010800
1600400
34-04
12/14/1995
11/27/1960
10/14/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101080000.LAS
50133101100000
501331011000
1610110
43-04
5/14/1961
3/29/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101100000.LAS
50133101120000
501331011200
1610530
32-05
3/11/1962
1/9/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101120000.LAS
50133101130000
501331011300
1610360
34-05
10/9/1961
8/9/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101130000.LAS
50133101140000
501331011400
1610240
41-05
3/12/2008
9/20/1961
7/23/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101140000.LAS
50133101150000
501331011500
1610160
43A-05
5/28/1961
4/27/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101150000.LAS
50133101160000
501331011600
1590020
HALASKO KING OIL
5/13/1959
1/31/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101160000.LAS
50133101170000
501331011700
1620190
21-08
7/10/1996
2/5/1963
12/16/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101170000.LAS
50133101180000
501331011800
1600450
32-08
10/20/2000
2/22/1961
1/3/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101180000.LAS
50133101190000
501331011900
1610430
34-08
1/28/1962
11/7/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101190000.LAS
50133202500000
501332025000
1730100
CITIES SERVICE OIL CO
W FORELAND ST A
9/27/2005
7/18/1973
5/31/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202500000.LAS
50133202560000
501332025600
1730210
24-05
10/9/1973
7/29/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202560000.LAS
50133202560100
501332025601
1901440
24A-05
1/23/2006
2/4/1991
11/16/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202560100.LAS
50133202570000
501332025700
1730250
COHOE UNIT
12/21/1973
8/12/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202570000.LAS
50133202620000
501332026200
1740180
05
7/18/1994
3/2/1975
6/10/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202620000.LAS
50133202640000
501332026400
1740250
44-08
12/19/1974
10/9/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202640000.LAS
50133202660000
501332026600
1740350
INEXCO OIL CO
W MCARTHUR RIV UNIT
1/11/2001
3/24/1975
2/25/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202660000.LAS
50133202680000
501332026800
1740660
44-04
4/15/1975
1/11/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202680000.LAS
50133202760000
501332027600
1750390
33-05
6/7/2001
10/25/1975
8/25/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202760000.LAS
50133202780000
501332027800
1750450
13-03
8/14/2000
12/6/1975
9/23/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202780000.LAS
50133202800000
501332028000
1750560
BIG RIV UNIT
1/10/1976
12/29/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202800000.LAS
50133202840000
501332028400
1760060
07
8/5/1976
3/30/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202840000.LAS
50283200520000
502832005200
1760310
LEWIS RIVER
B-01
2/4/2002
7/22/1976
5/18/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200520000.LAS
50283200540000
502832005400
1760720
CONOCOPHILLIPS ALASKA INC
BELUGA RIV UNIT
221-23
BELUGA RIVER
1/21/1977
11/13/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200540000.LAS
50283200550000
502832005500
1760860
STUMP LK UNIT
41-33
STUMP LAKE
4/9/2009
5/14/1978
2/10/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200550000.LAS
50283200570000
502832005700
1770480
PRETTY CK UNIT
PRETTY CREEK
7/7/1994
10/14/1977
9/8/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200570000.LAS
50283200580000
502832005800
1770490
AURORA GAS LLC
SIMPCO KALOA
7/14/2003
7/21/1978
2/2/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200580000.LAS
50283200600000
502832006000
1780470
SIMPCO MOQUAWKIE
10/30/2007
10/28/1978
7/27/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200600000.LAS
50283200610000
502832006100
1780750
LEWIS RIVER UNIT
C-01
6/5/1979
3/4/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200610000.LAS
50283200620000
502832006200
1780880
MOQUAWKIE
2/22/2006
2/25/1979
11/25/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200620000.LAS
50283200630000
502832006300
1790200
SIMASKO PRODUCTION CO
SIMPCO E MOQUAWKIE
9/6/2000
9/13/1979
7/3/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200630000.LAS
50283200640000
502832006400
SL
1790610
NICOLAI CK UNIT
06
NICOLAI CREEK
1/26/1996
2/7/1980
9/23/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200640000.LAS
50283200650000
502832006500
1790720
TRAIL RIDGE UNIT
9/19/1995
12/13/1980
5/31/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200650000.LAS
50283200660000
502832006600
1800690
SIMPCO KALDACHABUNA
8/8/1983
11/30/1980
5/1/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200660000.LAS
50133203280000
501332032800
1790300
KENAI TYONEK UNIT
43-06X
4/5/1996
11/17/1979
7/5/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203280000.LAS
50133203330000
501332033300
1800510
CANNERY LOOP UNIT
02
1/25/2010
5/16/1981
2/25/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203330000.LAS
50133203360000
501332033600
1801140
SWANSON RIV UNIT
31-33WD
5/7/1993
5/24/1981
5/20/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203360000.LAS
50133203370000
501332033700
1801150
32-33WD
11/23/1994
5/29/1981
5/25/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203370000.LAS
50133203400000
501332034000
1810580
03
1/11/1995
9/13/1981
5/26/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203400000.LAS
50133203410000
501332034100
1810910
42-30
10/22/1981
8/21/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203410000.LAS
50133203420000
501332034200
1810920
14X-06
12/6/1981
9/22/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203420000.LAS
50133203430000
501332034300
1810980
13-09
11/13/1995
11/6/1982
9/12/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203430000.LAS
50133203440000
501332034400
1810990
31-08
10/19/1982
6/26/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203440000.LAS
50133203450000
501332034500
1811070
WD-1
1WINJ
5/11/2001
8/22/1982
8/13/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203450000.LAS
50133203460000
501332034600
1811500
10/7/2003
9/5/1982
11/19/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203460000.LAS
50133203470000
501332034700
1811530
KENAI BELUGA UNIT
31-07
2/7/1982
12/15/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203470000.LAS
50283200670000
502832006700
1800720
214-35
3/7/1981
12/24/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200670000.LAS
50283200680000
502832006800
1801410
D-01
10/3/1981
7/20/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200680000.LAS
50283200689000
502832006890
1890720
D-01WD
8/30/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200689000.LAS
50283200750000
502832007500
1841360
232-09
WDSP1
10/16/2009
11/25/1985
9/12/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200750000.LAS
50283200760000
502832007600
1841370
224-23
3/10/2000
1/17/1985
11/25/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200760000.LAS
50283200770000
502832007700
1841380
232-26
4/14/1985
1/22/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200770000.LAS
50283200780000
502832007800
1860090
BRWD-1
1/13/1992
5/26/1986
5/14/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200780000.LAS
50283200790000
502832007900
1860100
211-03
4/5/1986
2/20/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200790000.LAS
50283200800000
502832008000
1860110
224-34
5/7/1986
4/10/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200800000.LAS
50283200810000
502832008100
1860760
224-28
6/9/1994
8/23/1986
8/1/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200810000.LAS
50283200830000
502832008300
1900420
214-26
9/28/1993
9/30/1990
7/31/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200830000.LAS
50283200860000
502832008600
1920880
IVAN RIVER UNIT
13-31
IVAN RIVER
1/29/2009
12/14/1992
9/25/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200860000.LAS
50133101200000
501331012000
1610220
341-08
7/16/2009
7/14/1961
6/5/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101200000.LAS
50133101210000
501331012100
1610090
43-08
3/12/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101210000.LAS
50133101210100
501331012101
1740130
43A-08
5/17/1974
3/16/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101210100.LAS
50133101220000
501331012200
1620010
243-08
2/24/1962
2/3/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101220000.LAS
50133101240000
501331012400
1600390
14-09
12/26/1960
10/28/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101240000.LAS
50133101270000
501331012700
1600430
32-09
1/16/1961
12/3/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101270000.LAS
50133101280000
501331012800
1610440
34-09
11/8/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101280000.LAS
50133101290000
501331012900
1610180
41-09
6/11/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101290000.LAS
50133101290200
501331012902
1002690
41B-09
12/30/2002
10/8/1989
9/12/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101290200.LAS
50133101300000
501331013000
1620310
5/4/1963
2/10/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101300000.LAS
50133101310000
501331013100
1610070
12-16
4/29/1961
3/1/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101310000.LAS
50133101320000
501331013200
1630100
21-16
8/5/1982
7/8/1963
5/20/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101320000.LAS
50133101340000
501331013400
1620290
4/22/1963
9/29/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101340000.LAS
50133101350000
501331013500
1600180
212-10
6/18/2002
5/28/1960
3/17/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101350000.LAS
50133101360000
501331013600
1001450
34-10
4/2/1993
8/24/1957
4/5/1957
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101360000.LAS
50133101370000
501331013700
1620060
211-15
2/16/1996
4/12/1962
3/17/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101370000.LAS
50133101380000
501331013800
1600220
12-15
3/26/1999
10/5/1960
7/24/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101380000.LAS
50133101390000
501331013900
1610120
21-15
7/22/1992
6/7/1961
4/9/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101390000.LAS
50133101400000
501331014000
1610050
4/5/1961
2/13/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101400000.LAS
50133101410000
501331014100
1590060
432-15
7/14/1994
10/24/1959
8/5/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101410000.LAS
50133101420000
501331014200
1600410
234-15
8/4/1961
6/21/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101420000.LAS
50133101430000
501331014300
1610390
41-15
10/5/1962
8/15/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101430000.LAS
50133101440000
501331014400
1610260
43-15
9/8/1961
7/16/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101440000.LAS
50133101450000
501331014500
1590010
34-16
3/26/1959
1/4/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101450000.LAS
50133101460000
501331014600
1620040
222-21
4/19/1962
3/20/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101460000.LAS
50133101470000
501331014700
1620140
312-22
8/11/1962
6/15/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101470000.LAS
50133101480000
501331014800
1620340
14-22
1/24/1996
2/2/1963
12/14/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101480000.LAS
50133101490000
501331014900
1610320
21-22
1/3/1962
11/14/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101490000.LAS
50133101500100
501331015001
1600170
23-22
4/5/2006
3/9/1960
1/4/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101500100.LAS
50133101540000
501331015400
1590160
314-27
7/20/1992
6/14/1960
12/26/1959
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101540000.LAS
50733100740000
507331007400
1660050
MGS ST 17595
2-OIL
MIDDLE GROUND SHOAL
4/10/2000
8/9/1966
4/7/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100740000.LAS
50733100750000
507331007500
1660240
AMOCO PRODUCTION CO
08
8/23/2000
2/3/1967
8/21/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100750000.LAS
50733100750100
507331007501
1770720
08RD
10/30/2000
12/31/1977
11/11/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100750100.LAS
50733100760000
507331007600
1660510
09
1/7/2009
2/17/1967
11/15/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100760000.LAS
50733100760100
507331007601
1760670
09RD
10/22/1976
9/3/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100760100.LAS
50733100770000
507331007700
1630090
SHELL OIL CO
MGS/SRS ST
9/24/1963
6/14/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100770000.LAS
50733100780000
507331007800
1660290
XTO ENERGY INC
MGS
A11-01
CO-2O
8/15/2003
9/24/1966
6/28/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100780000.LAS
50733100790000
507331007900
1660150
A13-01
2/16/2006
6/27/1966
4/15/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100790000.LAS
50733100800000
507331008000
1660530
SHELL WESTERN E&P INC
A33-01
8/3/1995
7/9/1967
11/27/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100800000.LAS
50733100800100
507331008001
1840750
A44-02
12/7/2004
10/31/1984
7/15/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100800100.LAS
50733100810000
507331008100
1650150
A32-11
7/14/2004
9/17/1965
6/22/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100810000.LAS
50733100810100
507331008101
1770550
A12-01
1/31/1978
10/25/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100810100.LAS
50733100820000
507331008200
1650040
A43-11
6/20/1965
4/4/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100820000.LAS
50733100830000
507331008300
1660440
A11-12
11/24/1966
10/1/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100830000.LAS
50733100840000
507331008400
1650260
A23-12
11/26/1965
9/19/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100840000.LAS
50733100840100
507331008401
1841870
A34-11
3/27/1985
11/2/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100840100.LAS
50733100850000
507331008500
1650350
A32-14
2/16/1966
11/28/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100850000.LAS
50733100850100
507331008501
1850680
A22-14
12/9/1985
6/3/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100850100.LAS
Barnes-1058-Sec-131
Outcrop
Sterling
Coaly Shale
Barnes-1058
Sec-131
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_131.pdf
Coal
Coal with bony lenses
Bone
Claystone
Barnes-1058-Sec-132
Beluga
Sec-132
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_132.pdf
Barnes-1058-Sec-149
Sec-149
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_149.pdf
Siltstone
Sandstone
Barnes-1058-Sec-158
Sec-158
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_158.pdf
Barnes-1058-Sec-162
Bed K (?)
Sec-162
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_162.pdf
50133101550000
501331015500
1610100
21-27
11/6/2009
3/8/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101550000.LAS
50133101560000
501331015600
1001480
331-27
1GINJ
2/17/1958
11/10/1957
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101560000.LAS
50133101570000
501331015700
1600370
32-27
11/24/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101570000.LAS
50133101570100
501331015701
1600440
23-27
10/11/2005
2/5/1961
11/25/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101570100.LAS
50133101580000
501331015800
1630070
34-28
9/18/2004
5/16/1963
3/30/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101580000.LAS
50133101590000
501331015900
1610470
41-28
12/4/1961
10/16/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101590000.LAS
50133101600000
501331016000
1610080
KGSF 1
GSTOR
2/16/2007
7/22/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101600000.LAS
50133101610000
501331016100
1620170
14A-33
10/21/2002
6/11/1962
4/16/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101610000.LAS
50133101620000
501331016200
1620020
21-33WD
3/15/2005
5/6/1962
4/22/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101620000.LAS
50133101630000
501331016300
1610190
23-33
6/10/1961
5/8/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101630000.LAS
50133101650000
501331016500
1600360
34-33
8/11/1987
11/12/1960
9/30/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101650000.LAS
50133101670000
501331016700
1600270
41-33WD
8/17/1960
8/8/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101670000.LAS
50133101680000
501331016800
1600460
343-33
12/30/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101680000.LAS
50133101690000
501331016900
1600290
12-34
4/26/1991
10/21/1960
9/4/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101690000.LAS
50133101700000
501331017000
1600380
14-34
10/30/1960
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101700000.LAS
50133101710000
501331017100
1610540
21-34
3/8/1989
3/25/1963
2/7/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101710000.LAS
50133101710100
501331017101
1900590
21A-34
1/27/1993
9/10/1990
6/23/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133101710100.LAS
50133200050000
501332000500
1670080
MIDDLE RIV ST
3/8/1967
2/15/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200050000.LAS
50133200060000
501332000600
1670090
01-A
8/1/1967
3/13/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200060000.LAS
50133200210000
501332002100
1670260
3/26/2008
12/26/1967
7/13/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200210000.LAS
50133200250000
501332002500
1670300
42-20
7/10/1967
7/2/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200250000.LAS
50133200300000
501332003000
1670390
KUSTATAN RIDGE
9/17/1967
8/26/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200300000.LAS
50133200350000
501332003500
1670450
KENAI DEEP UNIT
11/13/1967
9/13/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200350000.LAS
50133200610000
501332006100
1670720
SWANSON LAKES
3/22/1968
1/3/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133200610000.LAS
50133201210000
501332012100
1680490
2(21-8)
8/21/1968
7/3/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201210000.LAS
50133201230000
501332012300
1680510
43-06A
9/6/1968
8/25/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201230000.LAS
50133201240000
501332012400
1680520
12/17/2003
8/16/1968
7/26/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201240000.LAS
50133201390000
501332013900
1680710
44-30
9/23/1968
9/12/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201390000.LAS
50133201540000
501332015400
1680920
KUSTATAN RIV
1/13/1969
12/14/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201540000.LAS
50133201700000
501332017000
1690050
JOHNSON SLOUGH
2/17/1969
1/24/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201700000.LAS
50133201760000
501332017600
1690120
4/28/2008
6/22/1969
2/11/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201760000.LAS
50133201770000
501332017700
1690160
BACHATNA CK ST 36448
4/8/1969
3/16/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201770000.LAS
50133201850000
501332018500
1690350
21-05
9/22/1969
6/29/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201850000.LAS
50133201900000
501332019000
1690600
31-16
8/31/1969
7/5/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201900000.LAS
50133201990000
501332019900
1690870
43-12
10/16/1969
9/29/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133201990000.LAS
50133202010000
501332020100
1690930
14-05
11/3/1969
9/8/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202010000.LAS
50133202040000
501332020400
1691000
21X-32
12/11/1969
11/5/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202040000.LAS
50133202060000
501332020600
1720220
412-10
7/15/1994
6/11/1972
11/21/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202060000.LAS
50133202090000
501332020900
1700020
MINK CK UNIT
14-20
3/29/1970
1/31/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202090000.LAS
50133202100000
501332021000
1700030
FOREST OIL CORP
SUNRISE LK UNIT
6/2/1970
2/12/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202100000.LAS
50133202190000
501332021900
1700360
HARTOG OIL INC
N KUSTATAN ST UNIT
9/19/1970
8/12/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202190000.LAS
50133202220000
501332022200
1700430
24-34
7/1/1987
10/21/1970
9/2/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202220000.LAS
50133202280000
501332022800
1710100
41-18
10/10/1971
4/13/1971
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202280000.LAS
50133202290000
501332022900
1710140
11-16
5/22/1987
7/9/1971
5/21/1971
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202290000.LAS
50133202310000
501332023100
1710210
13-34
9/25/2001
12/24/1971
8/21/1971
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202310000.LAS
50133202320000
501332023200
1710320
42-05
5/8/1972
1/8/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202320000.LAS
50133202320100
501332023201
1801060
42A-05
9/7/2006
10/5/1981
8/2/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202320100.LAS
50133202340000
501332023400
1710370
BACHATNA CK UNIT
1/4/1972
12/25/1971
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202340000.LAS
50133202350000
501332023500
1720010
1/22/1972
1/14/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202350000.LAS
50133202360000
501332023600
1720040
7
2/10/1972
1/29/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202360000.LAS
50133202370000
501332023700
1720070
24-33
12/23/1972
9/25/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202370000.LAS
50133202390000
501332023900
1720130
04
1/14/1973
6/12/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202390000.LAS
50133202410000
501332024100
1720170
33-08
5/20/1973
3/13/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202410000.LAS
50133202430000
501332024300
1730390
BRINKERHOFF DRILLING CO INC
2/25/1974
12/31/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202430000.LAS
50133202490000
501332024900
1730050
10/30/2002
4/9/1973
2/24/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202490000.LAS
50133202930000
501332029300
1760560
33-33
2/14/1977
7/24/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202930000.LAS
50133202990000
501332029900
1770120
31-15
6/22/1977
4/18/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133202990000.LAS
50133203030000
501332030300
1770220
10/9/2003
12/14/1977
8/18/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203030000.LAS
50133203040000
501332030400
1770290
9/28/1977
7/19/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203040000.LAS
50133203080000
501332030800
1770500
CHUGACH ELECTRIC ASSOC INC
ROBINSON LOOP
8/15/1996
3/15/1980
12/21/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203080000.LAS
50133203120000
501332031200
1780010
AMAREX INC
MOOSE PT UNIT
3/15/1978
1/26/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203120000.LAS
50133203160000
501332031600
1780260
CLAM GULCH UNIT
8/24/1978
5/27/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203160000.LAS
50133203190000
501332031900
1780550
5
12/5/1978
8/29/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203190000.LAS
50133203200000
501332032000
1780560
6
12/10/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203200000.LAS
50133203230000
501332032300
1780950
3/4/2004
6/24/1979
3/11/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203230000.LAS
50133203260000
501332032600
1790100
8/30/1979
6/13/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203260000.LAS
50133203270000
501332032700
1790290
41-07
1/20/1980
11/22/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203270000.LAS
50133203470100
501332034701
1950550
31-07RD
3/24/2000
10/12/1995
9/9/1995
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203470100.LAS
50133203480000
501332034800
1811540
34-32
1/21/1982
11/23/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203480000.LAS
50133203490000
501332034900
1811760
11-17
4/30/1997
3/5/1982
1/29/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203490000.LAS
50133203510000
501332035100
1820150
14-32
3/14/1982
2/16/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203510000.LAS
50133203520000
501332035200
1820160
24-07
9/12/2005
6/5/1982
5/12/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203520000.LAS
50133203560000
501332035600
1820850
13-06
7/11/1982
6/9/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203560000.LAS
50133203570000
501332035700
1820970
11-08
10/1/2007
9/1/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203570000.LAS
50133203580000
501332035800
1820980
8/8/1982
7/16/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203580000.LAS
50133203590000
501332035900
1821180
S W FORK  AMAREX/CPC
13-29
3/19/2001
10/22/1982
10/15/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203590000.LAS
50133203620000
501332036200
1821890
WOLF LAKE  ARCO/CIRI
11/12/1983
12/6/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203620000.LAS
50133203630000
501332036300
1821990
42B-05
9/1/2006
2/18/1983
12/7/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203630000.LAS
50133203650000
501332036500
1830300
FUNNY RIV  ARCO/CIRI
3/20/1984
11/26/1983
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203650000.LAS
50133203700000
501332037000
1841080
13-05
10/6/1995
1/4/1985
8/14/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203700000.LAS
50133203710000
501332037100
1841090
23X-06
2/28/1985
1/10/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203710000.LAS
50133203750000
501332037500
1842010
2/23/1985
11/10/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203750000.LAS
50133203800000
501332038000
1851810
33-07
3/20/1986
11/15/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203800000.LAS
50133203870000
501332038700
1870340
1/18/1988
5/25/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203870000.LAS
50133203990000
501332039900
1880360
MOOSE RIVER
2/22/1991
9/17/1988
6/23/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133203990000.LAS
50133204050000
501332040500
1881570
242-16
10/23/2006
8/29/1989
8/17/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204050000.LAS
50133204190000
501332041900
1900990
STEWART PETROLEUM CO
W MCARTHUR RIV
12/2/1991
6/23/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204190000.LAS
50133204190100
501332041901
1951180
1A
12/29/1995
11/3/1995
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204190100.LAS
50133204240100
501332042401
1931830
W FORK   CIRI
WF1-21RD
7/10/2001
3/17/1994
2/3/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204240100.LAS
50133204260000
501332042600
1901650
CONOCO INC
ASTOSCH UNIT
4/19/1991
3/10/1991
1/25/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204260000.LAS
50133204290000
501332042900
1910360
GALENA
8/20/1993
9/13/1991
4/23/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204290000.LAS
50133204320000
501332043200
1911090
KUSTATAN
2/2/1992
1/17/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204320000.LAS
50133204330000
501332043300
1920100
WF2-21
5/25/1992
4/14/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204330000.LAS
50133204450000
501332044500
1921220
7/8/2008
9/2/1994
7/28/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204450000.LAS
50133204460000
501332044600
1921560
D1
10/9/2009
1/29/1993
1/11/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204460000.LAS
50133204470000
501332044700
1930170
6/7/1993
4/4/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204470000.LAS
50133204470100
501332044701
1931550
2A
10/26/1993
6/9/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204470100.LAS
50133204660000
501332046600
1950630
BUFFLEHEAD
9/9/1996
12/16/1995
9/16/1995
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204660000.LAS
50133204670000
501332046700
1951230
COREA CREEK
FED 1
5/31/1996
2/27/1996
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204670000.LAS
50133204810000
501332048100
1972340
2/26/1998
1/10/1998
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204810000.LAS
50133204840000
501332048400
1980410
1/19/1999
11/10/1998
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133204840000.LAS
50133205070000
501332050700
2012150
DEEP CREEK NNA
5/7/2005
1/27/2002
12/17/2001
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50133205070000.LAS
50231100010000
502311000100
1630160
SUPERIOR OIL
HAPPY VALLEY
31-22
11/19/2007
12/9/1963
9/9/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100010000.LAS
50231100030000
502311000300
1610370
ANCHOR RIV
12/24/1961
11/26/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100030000.LAS
50231100040000
502311000400
1650210
GAS PRO LLC
NORTH FORK UNIT
41-35
NORTH FORK
6/10/2010
12/20/1965
8/9/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100040000.LAS
50231100050000
502311000500
1620210
ANCHOR PT
12/9/1962
6/7/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100050000.LAS
50231100060000
502311000600
1630050
FRITZ CK
3/3/1963
2/17/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100060000.LAS
50231100080000
502311000800
1620230
OCCIDENTAL PETROLEUM
S DIAMONDGULCH UNIT
10/25/1962
7/12/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231100080000.LAS
50231200020000
502312000200
1700010
11-04
3/25/1970
1/27/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231200020000.LAS
50231200030000
502312000300
1700120
GULF OIL CORP
S CARIBOU HILL UNIT
4/8/1970
2/26/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231200030000.LAS
50231200100000
502312001000
2011570
HANSEN
11/24/2009
4/17/2003
10/21/2001
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231200100000.LAS
50231200110000
502312001100
2020410
GRINER
4/30/2003
4/11/2002
3/6/2002
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50231200110000.LAS
50267100010000
502671000100
1630230
UNION TEXAS PETROLEUM
PURE KAHILTNA UNIT
1/19/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50267100010000.LAS
50283100010000
502831000100
1640110
HUMBLE OIL AND REFINING
TYONEK RESERVE
4/17/1965
9/3/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100010000.LAS
50283100040000
502831000400
1620260
CHUIT ST
9/4/1962
6/21/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100040000.LAS
50283100050000
502831000500
1610500
5/9/1962
12/26/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100050000.LAS
50283100060000
502831000600
1660590
CHUITNA RIV ST03193
2/25/1967
12/12/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100060000.LAS
50283100070000
502831000700
1610480
STEDATNA CK
2/9/1962
11/18/1961
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100070000.LAS
50283100080000
502831000800
1660210
44-01
10/8/1966
6/5/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100080000.LAS
50283100090000
502831000900
1660480
23-12
1/24/1967
10/15/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100090000.LAS
50283100100000
502831001000
1630220
SUSITNA ST UNIT
12/28/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100100000.LAS
50283100110000
502831001100
1620050
BRITISH AMERICAN OIL
BELL IS
1/15/1992
5/31/1962
3/16/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100110000.LAS
50283100190000
502831001900
1650120
5/2/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100190000.LAS
50283100200000
502831002000
1650270
NICOLAI CK ST
3/11/1966
10/31/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100200000.LAS
50283100200100
502831002001
1660080
3/9/2006
5/2/1966
10/31/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100200100.LAS
50283100210000
502831002100
1660380
6/4/2003
10/23/1966
9/21/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100210000.LAS
50283100230000
502831002300
1620370
232-04
1/4/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100230000.LAS
50283100240000
502831002400
1630200
14-19
5/15/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100240000.LAS
50283100250000
502831002500
1620330
212-25
12/28/1962
11/13/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100250000.LAS
50283100260000
502831002600
1630020
233-27
12/25/1963
2/23/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100260000.LAS
50283100270000
502831002700
1620180
212-35
2/12/2004
12/18/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100270000.LAS
50283100280000
502831002800
1630060
TYONEK ST 17586
6/24/1964
8/19/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100280000.LAS
50283100290000
502831002900
1620150
TYONEK ST
12/14/1984
7/25/1963
4/4/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100290000.LAS
50283100300000
502831003000
1650190
TYONEK ST 17587
10/17/1965
7/27/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283100300000.LAS
50283200010000
502832000100
1670010
COTTONWOOD ST
2/10/1967
1/23/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200010000.LAS
50283200020000
502832000200
1720030
244-04
3-GAS
12/3/2002
8/31/1972
2/11/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200020000.LAS
50283200030000
502832000300
1670070
2/7/2001
5/4/1967
3/19/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200030000.LAS
50283200040000
502832000400
1670200
THREE MILE CK ST
10/24/1967
7/8/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200040000.LAS
50283200060000
502832000600
1670310
ALBERT KALOA
9/2/2004
1/4/1968
7/21/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200060000.LAS
50283200070000
502832000700
1670320
TYONEK RESERVE B
1/30/1968
7/31/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200070000.LAS
50283200110000
502832001100
1680010
LEWIS RIV
13-02
4/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200110000.LAS
50733201800000
507332018000
1690230
TRADING BAY UNIT
K-16
MCARTHUR RIVER
6/16/1986
4/26/1969
3/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201800000.LAS
50733201810000
507332018100
1690260
N TRADING BAY UNIT
SPR-07
TRADING BAY
2/2/2000
9/3/1969
4/14/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201810000.LAS
50733201820000
507332018200
1690270
SPR-08
9/17/2002
6/24/1969
4/9/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201820000.LAS
50733201830000
507332018300
1690280
D-16
8/26/1969
5/18/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201830000.LAS
50733201840000
507332018400
1690340
S-04
10/21/2009
6/3/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201840000.LAS
50733201860000
507332018600
1690390
S-05
6/1/1969
4/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201860000.LAS
50733201880000
507332018800
1690540
GRANITE PT ST
12-24
GRANITE PT
8/8/1969
5/9/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201880000.LAS
50733201890000
507332018900
1690550
G-14A
10/7/1992
9/7/1969
5/10/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201890000.LAS
50733201890100
507332018901
1910990
G-14ARD
9/27/1995
6/9/1992
2/27/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201890100.LAS
50733201910000
507332019100
1690610
A13-12
7/25/1969
6/10/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201910000.LAS
50733201920000
507332019200
1690660
K-20
7/31/1969
7/8/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201920000.LAS
50733201930000
507332019300
1690670
GRANITE PT ST 18761
MUCI-2
9/13/1969
7/3/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201930000.LAS
50733201940000
507332019400
1690720
G-31
9/20/1969
7/21/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201940000.LAS
50733201950000
507332019500
1690740
D-21
10/11/1985
10/18/1969
7/26/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201950000.LAS
50883200300000
508832003000
1690880
CONOCOPHILLIPS COMPANY
N COOK INLET UNIT
A-10
NORTH COOK INLET
4/23/2010
5/3/1970
8/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200300000.LAS
50883200300100
508832003001
2030750
A-10A
9/28/2003
8/2/2003
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200300100.LAS
50883200310000
508832003100
1690890
A-11
8/24/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200310000.LAS
50883200320000
508832003200
1690990
A-12
1G-WD
5/11/1970
10/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200320000.LAS
50883200710000
508832007100
1840020
FIRE ISLAND
8/6/1984
6/8/1984
3/25/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200710000.LAS
50883200840000
508832008400
1910550
SUNFISH
11/5/1991
5/7/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200840000.LAS
50883200850000
508832008500
1920250
NORTH FORELAND ST
5/25/1993
11/20/1992
4/8/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200850000.LAS
50883200870000
508832008700
1921060
A-13
11/7/1993
11/18/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200870000.LAS
50883200900000
508832009000
1930760
PHILLIPS PETROLEUM CO
4/2/1994
11/19/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200900000.LAS
50883200930000
508832009300
1971150
10/17/1997
7/30/1997
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200930000.LAS
50883201250000
508832012500
2080960
A-14
4/23/2009
8/18/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883201250000.LAS
50883201260000
508832012600
2080970
A-15
5/7/2009
4/6/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883201260000.LAS
50883201270000
508832012700
2080980
A-16
2/24/2009
7/18/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883201270000.LAS
55219000030000
552190000300
1004600
OCS Y-0168 COHO
10/24/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55219000030000.LAS
Barnes-1058-Sec-124
Sec-124
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_124.pdf
Covered Interval
Barnes-1058-Sec-125
Sec-125
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_125.pdf
Barnes-1058-Sec-126
Sec-126
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_126.pdf
Barnes-1058-Sec-155
Sec-155
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_155.pdf
Barnes-1058-Sec-156
Sandy Sitlstone
Sec-156
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_156.pdf
50283200140000
502832001400
1680530
CITY OF ANCHORAGE
CAMPBELL PT
7/5/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200140000.LAS
50283200150000
502832001500
1680550
10/31/1968
7/13/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200150000.LAS
50283200170000
502832001700
1680770
44-8
2/19/1969
11/13/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200170000.LAS
50283200190000
502832001900
1680940
FARMS OIL
RED SHIRT LK
12/2/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200190000.LAS
50283200210000
502832002100
1681100
MIDDLE LK UNIT
4/3/1969
1/30/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200210000.LAS
50283200229000
502832002290
1790090
2/26/1979
4/16/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200229000.LAS
50283200240000
502832002400
1690190
INLET OIL CO
FISH CK
2/6/1992
3/29/1969
3/21/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200240000.LAS
50283200339000
502832003390
1911000
5/3/1996
9/9/1991
12/2/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200339000.LAS
50283200340000
502832003400
1700520
W TYONEK
1/1/1971
11/26/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200340000.LAS
50283200350000
502832003500
1700530
W MOQUAWKIE
12/14/2005
12/6/1970
10/28/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200350000.LAS
50283200360000
502832003600
1710300
3/7/1972
2/2/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200360000.LAS
50283200370000
502832003700
1720150
212-24
10/23/1973
8/19/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200370000.LAS
50283200380000
502832003800
1720160
241-34
8/10/1972
6/17/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200380000.LAS
50283200390000
502832003900
1730090
LONG LAKE UNIT
5/18/1973
3/31/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200390000.LAS
50283200400000
502832004000
1730160
N TYONEK ST 58838
7/9/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200400000.LAS
50283200420000
502832004200
1730370
224-13
12/16/1974
9/27/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200420000.LAS
50283200430000
502832004300
1740410
TEXAS INTERNATIONAL PET. CORP
PRETTY CK ST
10/14/1993
2/19/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200430000.LAS
50283200440000
502832004400
1750100
FIGURE EIGHT UNIT
3/15/1976
1/24/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200440000.LAS
50283200450000
502832004500
1750080
14-31
10/25/2001
8/18/1975
5/6/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200450000.LAS
50283200460000
502832004600
1750040
ISLA GRANDE
4/9/1975
2/17/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200460000.LAS
50283200470000
502832004700
1750050
10/1/1975
5/5/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200470000.LAS
50283200480000
502832004800
1750060
E LEWIS RIV
6/14/1985
9/11/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200480000.LAS
50283200490000
502832004900
1750340
212-18
10/15/1975
9/1/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200490000.LAS
50283200500000
502832005000
1750640
ALASKA ENERGY DEV INC
BURGLIN
X33-12
1/23/1977
12/1/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200500000.LAS
50283200880000
502832008800
1921090
41-01
1/26/1993
12/20/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200880000.LAS
50283200890000
502832008900
1930220
44-36
3/7/1993
2/10/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200890000.LAS
50283200940000
502832009400
1972190
FORCENERGY INC
COFFEE CREEK
9/8/2000
6/26/1998
2/13/1998
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200940000.LAS
50283200960000
502832009600
1980840
LONE CREEK
5/11/2005
10/12/1998
6/27/1998
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283200960000.LAS
50283201240000
502832012400
2080790
243-34
11/3/2008
7/28/2008
5/31/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283201240000.LAS
50283201280000
502832012800
2081120
211-26
12/11/2008
9/27/2008
8/4/2008
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50283201280000.LAS
Barnes-1058-Sec-123
Sec-123
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_123.pdf
Woodman Bed
Barnes-1058-Sec-144
Sec-144
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_144.pdf
Clay
Bed E
Bony Coal
Barnes-1058-Sec-157
Sec-157
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_157.pdf
Barnes-1058-Sec-56
Sec-56
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_56.pdf
Barnes-1058-Sec-58
Sec-58
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_58.pdf
Barnes-1058-Sec-166
Sec-166
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_166.pdf
Bed L (?)
Barnes-1058-Sec-172
Sec-172
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_172.pdf
Barnes-1058-Sec-173
Unconsolidated Deposits
Sec-173
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_173.pdf
Barnes-1058-Sec-128
Fletcher Bed
Sec-128
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_128.pdf
Woodman (?) Bed
Barnes-1058-Sec-146
Sec-146
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_146.pdf
Bed D
Bed C
Barnes-1058-Sec-147
Sec-147
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_147.pdf
Bed F
Barnes-1202-Sec-151
Barnes-1202
Sec-151
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-151.pdf
Barnes-1202-Sec-152
Sec-152
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-152.pdf
Barnes-1058-Sec-161
Bed G
Sec-161
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_161.pdf
Barnes-1058-Sec-167
Sec-167
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_167.pdf
50733100090000
507331000900
1660180
HUNT OIL
OLDMAN'S BAY ST
8/18/1966
6/3/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100090000.LAS
50733100150000
507331001500
1660390
KALGIN IS ST
12/22/1966
8/29/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100150000.LAS
50733100160000
507331001600
1660500
DRIFT RIV ST
10/24/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100160000.LAS
50733100240000
507331002400
1660460
REDOUBT SH ST 22064
6/4/1967
10/2/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100240000.LAS
50733100260000
507331002600
1640120
11/12/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100260000.LAS
50733100300000
507331003000
1650230
SRS ST
11/22/1965
8/20/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100300000.LAS
50733100310000
507331003100
1660370
PLACID OIL
STATE 17580
9/5/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100310000.LAS
50733100320000
507331003200
1640100
MGS ST 18743
NORTH MGS
11/15/1964
8/14/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100320000.LAS
50733100330000
507331003300
1660220
E MGS ST 18751
6/12/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100330000.LAS
50733100340000
507331003400
1660450
E TRADING BAY ST
11/10/1966
10/9/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100340000.LAS
50733100350000
507331003500
1660420
11/7/1966
9/2/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100350000.LAS
50733100380000
507331003800
1660400
TOWER
5/1/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100380000.LAS
50733100390000
507331003900
1660310
N MGS ST 18745
7/17/1966
7/9/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100390000.LAS
50733100400000
507331004000
1660350
11/22/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100400000.LAS
50733100410000
507331004100
1660200
6/24/1966
5/24/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100410000.LAS
50733100440000
507331004400
1650250
GRAYLING
12/6/1991
11/10/1965
9/14/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100440000.LAS
50733100450100
507331004501
1660300
7/15/2008
8/7/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100450100.LAS
50733100460000
507331004600
1660260
8/27/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100460000.LAS
50733100470000
507331004700
1660320
MCARTHUR ST
3/7/2007
7/11/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100470000.LAS
50733100480000
507331004800
1660410
10/21/1966
9/4/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100480000.LAS
50733100490100
507331004901
1660330
FORELAND CHANNEL ST
8/22/1966
6/16/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100490100.LAS
50733100500000
507331005000
1660140
N REDOUBT ST
8/30/2000
6/10/1966
4/17/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100500000.LAS
50733100520000
507331005200
1650130
6/25/1965
5/10/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100520000.LAS
50733100530000
507331005300
1650180
7/24/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100530000.LAS
50733100540000
507331005400
1650200
9/1/1965
7/25/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100540000.LAS
50733100550000
507331005500
1660470
TRADING BAY ST
A-01
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100550000.LAS
50733100550100
507331005501
1901470
A-01RD
CO-3O
5/16/2000
5/8/1991
3/31/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100550100.LAS
50733100560000
507331005600
1660490
A-02
12/6/1966
10/18/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100560000.LAS
50733100570000
507331005700
1660580
A-03
4/24/1967
12/9/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100570000.LAS
50733100570100
507331005701
1860120
A-03RD
3/25/2005
3/6/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100570100.LAS
50733100580000
507331005800
1650290
8/5/2008
8/11/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100580000.LAS
50733100590000
507331005900
1650020
GRANITE POINT
8/5/1965
4/5/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100590000.LAS
50733100600000
507331006000
1660550
31-13
5/3/1967
1/2/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100600000.LAS
50733100610000
507331006100
1660560
31-14
3/18/1967
12/24/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100610000.LAS
50733100610200
507331006102
1002660
31-14RD2
9/7/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100610200.LAS
50733100620000
507331006200
1660360
9/26/1966
8/13/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100620000.LAS
50733100630000
507331006300
1650140
TYONEK ST 18742
7/21/1965
6/2/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100630000.LAS
50733100640000
507331006400
1650320
10/22/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100640000.LAS
50733100650000
507331006500
1660570
GRANITE PT ST 18742
7/19/1995
5/15/1967
12/20/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100650000.LAS
50733100660000
507331006600
1650220
MGS ST 18746
10/16/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100660000.LAS
50733100670000
507331006700
1620070
6/20/2006
7/26/1962
5/15/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100670000.LAS
50733100680000
507331006800
1630080
11/16/1963
5/19/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100680000.LAS
50733100690000
507331006900
1640070
11/4/1964
6/15/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100690000.LAS
50733100700000
507331007000
1640060
10/13/1964
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100700000.LAS
50733100710000
507331007100
1650380
12/28/1966
12/17/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100710000.LAS
50733100730000
507331007300
1660030
6/13/1966
1/28/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100730000.LAS
50733100860000
507331008600
1660020
A34-14
4/14/1966
1/26/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100860000.LAS
50733100860100
507331008601
1750300
A34-14RD
4/1/2002
8/31/1976
10/29/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733100860100.LAS
50733200010000
507332000100
1670020
A-04
8/27/1967
3/24/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200010000.LAS
50733200020000
507332000200
1670040
10
5/18/1992
12/29/1967
2/5/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200020000.LAS
50733200030000
507332000300
1670050
5/16/1967
2/9/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200030000.LAS
50733200040000
507332000400
1670060
GRANITE PT ST 17586
2/7/1994
7/24/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200040000.LAS
50733200040100
507332000401
1931270
3RD
5/11/1999
2/2/1994
12/3/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200040100.LAS
50733200070000
507332000700
1670100
A11-13
5/18/1967
4/1/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200070000.LAS
50733200070100
507332000701
1810600
A11-13R2
1/14/1999
3/24/1982
5/11/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200070100.LAS
50733200080000
507332000800
1670120
4/20/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200080000.LAS
50733200090000
507332000900
1670130
7/6/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200090000.LAS
50733200100000
507332001000
1670140
10/4/2005
9/20/1967
5/6/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200100000.LAS
50733200110000
507332001100
1670150
A-05
2/24/1970
4/27/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200110000.LAS
50733200110100
507332001101
1760250
A-05RD2
4/6/2009
3/6/1976
2/4/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200110100.LAS
50733200120000
507332001200
1670160
10/1/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200120000.LAS
50733200130000
507332001300
1670170
11
3-OIL
5/14/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200130000.LAS
50733200140000
507332001400
1670180
33-13
7/11/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200140000.LAS
50733200140100
507332001401
1720210
32-13
1/20/1995
10/29/1972
8/15/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200140100.LAS
50733200150000
507332001500
1670190
8/14/1967
5/20/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200150000.LAS
50733200160000
507332001600
1670210
13-13
10/12/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200160000.LAS
50733200170000
507332001700
1670220
A42-11
7/4/1967
5/28/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200170000.LAS
50733200180000
507332001800
1670230
12/27/1967
5/17/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200180000.LAS
50733200190000
507332001900
1670240
10/7/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200190000.LAS
50733200200000
507332002000
1670250
A-06
6/28/1967
6/6/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200200000.LAS
50733200220000
507332002200
1670270
S MGS UNIT
3/21/1968
6/18/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200220000.LAS
50733200230000
507332002300
1670280
9/27/1967
6/22/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200230000.LAS
50733200240000
507332002400
1670290
FORELAND ST UNIT
8/10/1967
6/17/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200240000.LAS
50733200260000
507332002600
1670330
11-13
10/4/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200260000.LAS
50733200260100
507332002601
1911330
11-13RD
12/28/1992
3/12/1992
1/11/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200260100.LAS
50733200270000
507332002700
1670350
A44-11
8/12/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200270000.LAS
50733200280000
507332002800
1670370
9/24/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200280000.LAS
50733200290000
507332002900
1670410
A42-14
9/16/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200290000.LAS
50733200310000
507332003100
1670400
W TRADING BAY ST
8/23/1967
8/2/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200310000.LAS
50733200320000
507332003200
1670420
8/29/2000
10/22/1967
8/8/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200320000.LAS
50733200330000
507332003300
1670430
TENNECO OIL CO
STATE 36465
11/15/1967
8/17/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200330000.LAS
50733200340000
507332003400
1670440
MIDDLE RIV ST UNIT
10/19/1967
8/22/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200340000.LAS
50733200360000
507332003600
1670460
A-07
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200360000.LAS
50733200370000
507332003700
1670470
G-01
1/13/1993
11/4/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200370000.LAS
50733200380000
507332003800
1670480
G-02
10/18/1967
9/1/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200380000.LAS
50733200380100
507332003801
1820670
G-02RD
6/13/1994
7/21/1982
6/6/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200380100.LAS
50733200390000
507332003900
1670490
13
1/1/1968
9/11/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200390000.LAS
50733200400000
507332004000
1670500
REDOUBT SHOAL ST
12/13/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200400000.LAS
50733200410000
507332004100
1670510
C34-23
10/21/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200410000.LAS
50733200420000
507332004200
1670520
11/6/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200420000.LAS
50733200430000
507332004300
1670530
A-08
11/11/1967
10/11/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200430000.LAS
50733200430100
507332004301
1890480
A-08RD
6/1/1998
8/8/1989
7/9/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200430100.LAS
50733200430200
507332004302
1970670
A-08RD2
7/8/1997
6/21/1997
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200430200.LAS
50733200440000
507332004400
1670550
A12-12
6/5/2003
11/1/1967
9/29/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200440000.LAS
50733200450000
507332004500
1670560
KASILOF UNIT
10/10/1967
9/26/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200450000.LAS
50733200460000
507332004600
1670570
11-24
7/1/1999
1/21/1968
10/5/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200460000.LAS
50733200470000
507332004700
1670580
10/27/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200470000.LAS
50733200480000
507332004800
1670590
3/10/1995
5/12/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200480000.LAS
50733200480100
507332004801
1941240
11RD
12/8/1994
10/14/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200480100.LAS
50733200490000
507332004900
1670600
G-03
2/19/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200490000.LAS
50733200500000
507332005000
1670610
G-04
12/28/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200500000.LAS
50733200500100
507332005001
1811830
G-04RD
4/23/1998
3/22/1982
2/10/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200500100.LAS
50733200520000
507332005200
1670630
C31-26
12/20/2004
12/9/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200520000.LAS
50733200530000
507332005300
1670640
K-02
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200530000.LAS
50733200540000
507332005400
1670650
K-01
4/18/2001
2/15/1968
10/26/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200540000.LAS
50733200550000
507332005500
1670670
12/14/1987
10/23/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200550000.LAS
50733200560000
507332005600
1670660
12
4/26/2010
4/2/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200560000.LAS
50733200560100
507332005601
1780590
12RD
12/20/1978
8/4/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200560100.LAS
50733200570000
507332005700
1670680
A33-14
12/7/1967
11/2/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200570000.LAS
50733200580000
507332005800
1670690
1/28/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200580000.LAS
50733200590000
507332005900
1670700
44-11
10/7/1968
7/8/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200590000.LAS
50733200600000
507332006000
1670710
G-05
6/30/1998
2/20/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200600000.LAS
50733200620000
507332006200
1670740
A-09
12/5/1967
11/12/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200620000.LAS
50733200620100
507332006201
1810360
A-09RD
4/10/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200620100.LAS
50733200630000
507332006300
1670750
4/8/1968
11/22/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200630000.LAS
50733200640000
507332006400
1670760
1/7/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200640000.LAS
50733200650000
507332006500
1670770
16
3/31/1968
11/30/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200650000.LAS
50733200660000
507332006600
1670780
3/26/1968
12/6/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200660000.LAS
50733200670000
507332006700
1670790
A14-01
1/14/1968
12/8/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200670000.LAS
50733200680000
507332006800
1670800
4/2/2008
3/5/1968
12/19/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200680000.LAS
50733200690000
507332006900
1670810
D-02
3/27/1968
12/23/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200690000.LAS
50733200700000
507332007000
1670820
15
2/13/1968
12/16/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200700000.LAS
50733200710000
507332007100
1670830
C23-26
1/17/1968
12/10/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200710000.LAS
50733200720000
507332007200
1670840
31-23
4/19/1968
1/11/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200720000.LAS
50733200730000
507332007300
1670850
G-06
3/1/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200730000.LAS
50733200750000
507332007500
1670870
K-04
3/23/1968
1/5/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200750000.LAS
50733200760000
507332007600
1670880
3/17/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200760000.LAS
50733200760100
507332007601
1710290
A-12RD
3/31/1972
2/22/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200760100.LAS
50733200770000
507332007700
1680020
3/29/2000
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200770000.LAS
50733200780000
507332007800
1680030
C24-26
3/4/1968
1/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200780000.LAS
50733200790000
507332007900
1680040
33-14
7/6/1968
4/20/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200790000.LAS
50733200800000
507332008000
1680050
24-13
3/28/1968
1/22/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200800000.LAS
50733200810000
507332008100
1680060
19
4/1/1968
1/27/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200810000.LAS
50733200830000
507332008300
1680080
23
7/4/1968
2/23/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200830000.LAS
50733200830100
507332008301
1780430
23RD
7/24/1978
6/2/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200830100.LAS
50733200840000
507332008400
1680090
14
2/2/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200840000.LAS
50733200850000
507332008500
1680100
G-08
4/21/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200850000.LAS
50733200860000
507332008600
1680110
7/1/1968
3/25/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200860000.LAS
50733200870000
507332008700
1680120
18
6/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200870000.LAS
50733200880000
507332008800
1680130
K-06
4/9/1968
2/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200880000.LAS
50733200890000
507332008900
1680140
D-04
5/5/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200890000.LAS
50733200890100
507332008901
1820410
D-04RD
6/21/1982
5/20/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200890100.LAS
50733200900000
507332009000
1680150
D-03
3/6/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200900000.LAS
50733200920000
507332009200
1680180
K-05
11/18/2002
5/22/1968
3/24/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200920000.LAS
50733200930000
507332009300
1680190
C34-26
4/16/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200930000.LAS
50733200940000
507332009400
1680200
G-10
5/15/1987
5/28/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200940000.LAS
50733200950000
507332009500
1680210
22-13
1/19/1996
5/18/1968
3/29/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200950000.LAS
50733200960000
507332009600
1680220
5/8/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200960000.LAS
50733200960100
507332009601
1680410
5-A
6/22/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200960100.LAS
50733200970300
507332009703
1931650
K-26
4/6/2001
12/14/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200970300.LAS
50733200980000
507332009800
1680260
G-09
8/10/1968
4/22/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200980000.LAS
50733200990000
507332009900
1680270
6/1/1968
4/4/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733200990000.LAS
50733201000000
507332010000
1680280
D-05
5/21/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201000000.LAS
50733201000100
507332010001
1800650
D-05RD
8/13/1980
6/8/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201000100.LAS
50733201010000
507332010100
1680290
2WINJ
3/31/1969
6/29/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201010000.LAS
50733201020000
507332010200
1680300
C23-23
5/13/1968
4/17/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201020000.LAS
50733201040000
507332010400
1680320
8/26/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201040000.LAS
50733201050000
507332010500
1680330
1/27/2005
6/23/1968
6/3/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201050000.LAS
50733201060000
507332010600
1680340
K-07
9/26/1968
7/2/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201060000.LAS
50733201070000
507332010700
1680350
D-08
5/6/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201070000.LAS
50733201080000
507332010800
1680360
25
8/10/2001
8/8/1968
6/15/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201080000.LAS
50733201090000
507332010900
1680370
27
2/2/1983
2/22/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201090000.LAS
50733201100000
507332011000
1680380
K-09
5/23/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201100000.LAS
50733201110000
507332011100
1680390
6/1/1989
7/24/1968
6/25/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201110000.LAS
50733201110100
507332011101
1880380
A-16RD
11/20/1995
12/8/1988
9/13/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201110100.LAS
50733201120000
507332011200
1680400
C22-26
6/14/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201120000.LAS
50733201120100
507332011201
1760650
C22-26RD
10/25/1976
9/16/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201120100.LAS
50733201140000
507332011400
1680420
42-23X
10/10/1968
5/19/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201140000.LAS
50733201150000
507332011500
1680430
G-11
4/25/2001
5/29/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201150000.LAS
50733201170000
507332011700
1680450
D-07
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201170000.LAS
50733201170100
507332011701
1770820
D-07RD
6/30/1993
3/20/1978
1/5/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201170100.LAS
50733201180000
507332011800
1680460
6/9/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201180000.LAS
50733201190000
507332011900
1780960
31
6/6/1979
3/18/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201190000.LAS
50733201200000
507332012000
1680480
SPR-01
6/20/2005
8/20/1968
6/5/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201200000.LAS
50733201220000
507332012200
1680500
SPR-02
8/28/1968
6/6/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201220000.LAS
50733201250000
507332012500
1680540
C33-26
7/14/1968
6/16/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201250000.LAS
50733201260000
507332012600
1680560
3/20/2007
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201260000.LAS
50733201270000
507332012700
1680570
G-13
10/6/1968
8/24/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201270000.LAS
50733201280000
507332012800
1680580
KUSTATAN RIV UNIT
43-30
6/24/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201280000.LAS
50733201290000
507332012900
1680600
C43-23
8/12/1968
7/16/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201290000.LAS
50733201300000
507332013000
1680610
G-07
1/16/2007
8/23/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201300000.LAS
50733201310000
507332013100
1680620
D-09
8/30/1968
7/27/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201310000.LAS
50733201310100
507332013101
1810800
D-09RD
3/2/1982
12/9/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201310100.LAS
50733201320000
507332013200
1680630
D-10
7/13/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201320000.LAS
50733201340000
507332013400
1680660
SPR-04
10/19/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201340000.LAS
50733201350000
507332013500
1680670
A-17
7/23/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201350000.LAS
50733201350100
507332013501
1810670
A-17RD
7/3/1981
6/11/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201350100.LAS
50733201360000
507332013600
1680680
N TRADING BAY
23-07
9/11/1968
7/30/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201360000.LAS
50733201370000
507332013700
1680690
C31-23
9/10/1968
8/13/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201370000.LAS
50733201370100
507332013701
1900200
C12-23
5/24/1990
3/10/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201370100.LAS
50733201380000
507332013800
1680700
CHERRYVILLE CORP
9/14/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201380000.LAS
50733201400000
507332014000
1680730
D-11
10/14/1968
8/31/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201400000.LAS
50733201410000
507332014100
1680740
MESA PETROLEUM
10/23/1968
10/4/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201410000.LAS
50733201420000
507332014200
1680750
D-12
12/22/1994
8/22/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201420000.LAS
50733201420100
507332014201
1800820
D-12RD
10/5/1980
8/21/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201420100.LAS
50733201430000
507332014300
1680760
A-18
11/17/1968
8/29/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201430000.LAS
50733201440000
507332014400
1680780
CLAM GULCH
1-X
11/26/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201440000.LAS
50733201450000
507332014500
1680790
C11-26
11/24/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201450000.LAS
50733201450100
507332014501
1681070
C24-23
12/17/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201450100.LAS
50733201460000
507332014600
1680800
G-14
10/14/2004
1/6/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201460000.LAS
50733201470000
507332014700
1680820
D-06
12/28/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201470000.LAS
50733201480000
507332014800
1680830
K-11
11/8/1968
9/27/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201480000.LAS
50733201490000
507332014900
1680850
G-15
2/23/1999
12/5/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201490000.LAS
50733201500000
507332015000
1680870
D-13
5/8/1989
12/3/1968
10/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201500000.LAS
50733201500100
507332015001
1881400
D-45
6/5/1989
4/5/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201500100.LAS
50733201510000
507332015100
1680880
A-19
5/13/1992
1/29/1970
11/23/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201510000.LAS
50733201510100
507332015101
1880010
A-19RD
9/3/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201510100.LAS
50733201530000
507332015300
1680900
SPR-06
8/2/1969
5/30/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201530000.LAS
50733201550000
507332015500
1680930
SPR-05
10/20/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201550000.LAS
50733201550100
507332015501
1690650
SPR-05RD1
7/12/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201550100.LAS
50733201550200
507332015502
1690750
SPR-05RD2
7/24/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201550200.LAS
50733201560000
507332015600
1681000
K-12
1/12/1969
11/29/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201560000.LAS
50733201570000
507332015700
1681010
K-13
2/8/1969
11/25/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201570000.LAS
50733201570100
507332015701
1770620
K-13RD
5/31/2001
1/8/1978
10/10/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201570100.LAS
50733201580000
507332015800
1681030
S-01
1/28/1993
1/29/1969
11/18/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201580000.LAS
50733201580100
507332015801
1740050
S-01RD
9/9/2009
6/13/1974
5/3/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201580100.LAS
50733201590000
507332015900
1681040
D-15
1/14/1969
12/4/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201590000.LAS
50733201590100
507332015901
1780280
D-15RD
2/22/1979
3/21/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201590100.LAS
50733201590200
507332015902
1800050
D-15RD2
5/18/1980
2/11/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201590200.LAS
50733201600000
507332016000
1681050
G-18
ADMA
11/1/2002
11/20/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201600000.LAS
50733201609000
507332016090
1831350
G-18DPN
7/28/2006
11/2/1983
9/19/1983
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201609000.LAS
50733201610100
507332016101
1780030
G-17RD
3/28/1978
2/12/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201610100.LAS
50733201620000
507332016200
1681090
G-16
5/16/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201620000.LAS
50733201630000
507332016300
1681120
C41-23
5/12/2005
1/26/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201630000.LAS
50733201640000
507332016400
1681150
D-14
5/4/1969
1/2/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201640000.LAS
50733201660000
507332016600
1690010
32-23
1/20/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201660000.LAS
50733201680000
507332016800
1690030
D-17
3/10/1969
1/16/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201680000.LAS
50733201690000
507332016900
1690040
D-18
2/14/1969
1/8/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201690000.LAS
50733201710000
507332017100
1690060
K-15
2/9/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201710000.LAS
50733201720000
507332017200
1690080
S-02
12/5/1997
4/27/1969
3/12/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201720000.LAS
50733201730000
507332017300
1690090
MUCI-1
7/4/1969
1/18/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201730000.LAS
50733201740000
507332017400
1690100
MGS C LINE
3/5/1993
8/16/1969
1/27/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201740000.LAS
50733201750000
507332017500
1690110
S-03
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201750000.LAS
50733201780000
507332017800
1690170
G-19
4/23/1969
3/6/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201780000.LAS
50733201790000
507332017900
1690200
A22-01
5/28/1969
3/30/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201790000.LAS
50733201790200
507332017902
1860250
A41A-11
12/22/1995
3/7/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201790200.LAS
50733201950100
507332019501
1851220
D-44
12/4/1992
10/19/1985
6/25/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201950100.LAS
50733201960000
507332019600
1690800
A14A-01
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201960000.LAS
50733201970000
507332019700
1690830
S-07
9/11/1969
8/11/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201970000.LAS
50733201980000
507332019800
1690860
G-32
10/1/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733201980000.LAS
50733202000000
507332020000
1690920
SPR-09
11/12/1969
9/4/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202000000.LAS
50733202030000
507332020300
1690950
D-20
4/25/2007
11/6/1969
9/19/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202030000.LAS
50733202050000
507332020500
1691060
D-23
1/23/1970
11/1/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202050000.LAS
50733202050100
507332020501
1830530
D-42
8/26/1994
9/10/1983
6/23/1983
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202050100.LAS
50733202070000
507332020700
1691080
D-22
4/23/1970
1/28/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202070000.LAS
50733202080000
507332020800
1691110
D-30
1/26/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202080000.LAS
50733202080100
507332020801
1770030
D-30RD
2/26/1977
1/22/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202080100.LAS
50733202110000
507332021100
1700070
K-30
10/23/2007
4/27/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202110000.LAS
50733202120000
507332021200
1700110
G-33
3/18/1970
2/5/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202120000.LAS
50733202130100
507332021301
1790130
G-34RD
7/24/1979
6/3/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202130100.LAS
50733202140000
507332021400
1700240
4/18/2007
5/23/1970
3/20/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202140000.LAS
50733202150000
507332021500
1700270
D-31
6/20/1970
5/13/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202150000.LAS
50733202150100
507332021501
1760740
D-31RD
12/10/1976
10/17/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202150100.LAS
50733202160000
507332021600
1700280
G-36
7/17/1989
6/12/1970
5/5/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202160000.LAS
50733202180000
507332021800
1700310
A-22
7/19/1970
5/27/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202180000.LAS
50733202200000
507332022000
1700370
D-32
8/3/1970
6/21/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202200000.LAS
50733202250000
507332022500
1700490
D-24
1/23/1971
9/29/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202250000.LAS
50733202250100
507332022501
1790110
D-34A
4/29/1979
4/1/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202250100.LAS
50733202260000
507332022600
1700510
A-24
11/23/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202260000.LAS
50733202260100
507332022601
1810400
A-24RD
6/3/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202260100.LAS
50733202270000
507332022700
1700590
A-23
1/14/1971
12/28/1970
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202270000.LAS
50733202300000
507332023000
1710200
A-26
5/2/1972
4/1/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202300000.LAS
50733202330000
507332023300
1710330
S-08
10/23/2009
1/17/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202330000.LAS
50733202380000
507332023800
1720120
A23-01
5/31/1972
3/25/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202380000.LAS
50733202420000
507332024200
1720190
A-25
3/14/1990
7/21/1972
5/28/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202420000.LAS
50733202420100
507332024201
1881370
A-25RD
4/7/1989
1/9/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202420100.LAS
50733202450000
507332024500
1720290
A-29
7/10/2002
2/22/1973
12/9/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202450000.LAS
50733202460000
507332024600
1720320
A-27
6/20/1997
4/11/1973
2/23/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202460000.LAS
50733202470000
507332024700
1720330
D-25
3/26/1973
12/16/1972
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202470000.LAS
50733202470100
507332024701
1780870
D-25RD
1/30/1979
12/2/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202470100.LAS
50733202480000
507332024800
1730010
K-17
7/30/2002
4/4/1973
1/26/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202480000.LAS
50733202510000
507332025100
1730120
C24-14
8/14/1973
5/22/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202510000.LAS
50733202510100
507332025101
1750350
C32-23
9/4/2003
10/26/1975
7/31/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202510100.LAS
50733202520000
507332025200
1730130
C44-14
2/13/1974
9/2/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202520000.LAS
50733202530000
507332025300
1730140
A-30
7/4/1973
5/5/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202530000.LAS
50733202540000
507332025400
1730150
K-18
7/16/2001
7/17/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202540000.LAS
50733202550000
507332025500
1730180
A-28
12/5/1973
11/3/1973
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202550000.LAS
50733202550100
507332025501
1890920
A-28RD
3/23/1990
2/13/1990
11/10/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202550100.LAS
50733202580000
507332025800
1730380
A24-01
4/22/1974
2/15/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202580000.LAS
50733202590000
507332025900
1740080
K-19
6/6/2006
2/22/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202590000.LAS
50733202600000
507332026000
1740090
D-26
6/3/1999
6/4/1974
3/12/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202600000.LAS
50733202610000
507332026100
1740100
G-20
4/27/1974
3/6/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202610000.LAS
50733202630000
507332026300
1740520
CAPE KASILOF
1/6/1975
9/10/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202630000.LAS
50733202670000
507332026700
1740420
G-21
6/18/1998
1/3/1975
11/19/1974
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202670000.LAS
50733202690100
507332026901
1790140
G-23RD
6/17/1998
12/29/1979
8/3/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202690100.LAS
50733202700000
507332027000
1760010
REDOUBT BAY UNIT
10/31/1976
6/20/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202700000.LAS
50733202710000
507332027100
1750140
K-22
4/26/1975
1/31/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202710000.LAS
50733202720000
507332027200
1750160
G-22
7/18/1975
3/4/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202720000.LAS
50733202740000
507332027400
1750240
D-27
2/24/2004
7/6/1975
4/25/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202740000.LAS
50733202770000
507332027700
1750440
11/13/1975
9/8/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202770000.LAS
50733202810000
507332028100
1750660
12/2/1975
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202810000.LAS
50733202850000
507332028500
1760220
24
9/15/2009
6/21/1976
3/8/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202850000.LAS
50733202860000
507332028600
1760320
G-24
3/17/2006
6/4/1976
4/6/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202860000.LAS
50733202870000
507332028700
1760360
D-28
7/17/1976
4/27/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202870000.LAS
50733202900000
507332029000
1760450
7/13/1976
5/3/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202900000.LAS
50733202910000
507332029100
1760490
21
9/30/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202910000.LAS
50733202940000
507332029400
1760640
28
2/10/2010
11/29/1976
8/4/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202940000.LAS
50733202940200
507332029402
1950770
28RD2
10/27/1995
8/16/1995
7/9/1995
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202940200.LAS
50733202950000
507332029500
1760660
G-26
1/10/1977
10/3/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202950000.LAS
50733202960000
507332029600
1760750
11/12/1997
6/28/1977
1/1/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202960000.LAS
50733202970000
507332029700
1760770
26
2/7/1977
10/15/1976
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202970000.LAS
50733202980000
507332029800
1760870
32
5/8/1977
1/15/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202980000.LAS
50733202980100
507332029801
1870630
32RD
9/9/2008
4/13/1988
7/21/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733202980100.LAS
50733203000000
507332030000
1770170
6/20/2001
6/16/1977
3/26/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203000000.LAS
50733203010000
507332030100
1770180
A-32
8/9/1977
5/20/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203010000.LAS
50733203020000
507332030200
1770190
A-20
10/1/1977
7/24/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203020000.LAS
50733203020100
507332030201
1900410
A-20RD
5/21/1993
4/23/1990
3/30/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203020100.LAS
50733203060000
507332030600
1770320
33
10/21/1977
7/25/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203060000.LAS
50733203070000
507332030700
1770440
12/2/1977
7/10/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203070000.LAS
50733203100000
507332031000
1770560
29
12/9/1977
10/15/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203100000.LAS
50733203110000
507332031100
1770750
17
3/6/1978
12/6/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203110000.LAS
50733203130000
507332031300
1780040
K-23
4/24/1978
1/19/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203130000.LAS
50733203140000
507332031400
1780190
MUCI-3
6/16/1978
2/6/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203140000.LAS
50733203150000
507332031500
1780240
C42-23
6/13/1978
3/30/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203150000.LAS
50733203180000
507332031800
1780480
D-40
12/1/1978
9/15/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203180000.LAS
50733203220000
507332032200
1780730
30
2/12/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203220000.LAS
50733203240000
507332032400
1790070
G-28
6/26/2000
5/23/1979
3/14/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203240000.LAS
50733203250000
507332032500
1790080
W TRADING BAY
6/20/1979
5/4/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203250000.LAS
50733203310000
507332033100
1790830
D-41
2/10/1980
11/24/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203310000.LAS
50733203340000
507332033400
1800840
8
4/2/1981
7/25/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203340000.LAS
50733203390000
507332033900
1810220
40
4/21/1982
3/12/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203390000.LAS
50733203500000
507332035000
1811840
39
3/29/1982
12/29/1981
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203500000.LAS
50733203500100
507332035001
1820620
39RD
5/18/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203500100.LAS
50733203530000
507332035300
1820420
TERN A - SRS
8/11/1988
8/28/1982
7/3/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203530000.LAS
50733203550000
507332035500
1820720
46
8/26/1982
6/28/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203550000.LAS
50733203610000
507332036100
1821530
S MCARTHUR RIV
12/13/1982
9/13/1982
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203610000.LAS
50733203640000
507332036400
1830060
6/14/1994
4/30/1983
2/12/1983
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203640000.LAS
50733203670000
507332036700
1831060
A12A-01
1/31/1984
7/22/1983
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203670000.LAS
50733203680000
507332036800
1831160
12/15/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203680000.LAS
50733203690000
507332036900
1840110
7/3/1996
4/7/1984
1/21/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203690000.LAS
50733203720000
507332037200
1841770
CHAMPLIN PETROLEUM CO
BEARD ST
1-11
4/28/1987
11/20/1984
9/26/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203720000.LAS
50733203730000
507332037300
1841850
D-43
12/26/1985
11/15/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203730000.LAS
50733203730100
507332037301
1853110
D-43RD
3/3/1986
12/31/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203730100.LAS
50733203740000
507332037400
1841860
G-29
4/10/1985
1/28/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203740000.LAS
50733203740100
507332037401
1920520
G-29RD
7/17/1992
6/10/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203740100.LAS
50733203760000
507332037600
1850420
35
6/10/1994
1/14/1986
4/5/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203760000.LAS
50733203770000
507332037700
1851350
20
11/11/1985
7/20/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203770000.LAS
50733203780000
507332037800
1851740
A41-11
11/28/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203780000.LAS
50733203810000
507332038100
1852170
5/2/1986
11/12/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203810000.LAS
50733203820000
507332038200
1852190
36
3/21/1986
1/16/1986
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203820000.LAS
50733203830000
507332038300
1852350
A33-11
7/13/2004
2/24/1986
12/4/1985
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203830000.LAS
50733203880000
507332038800
1870460
M-01
8/3/1987
5/23/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203880000.LAS
50733203890000
507332038900
1870610
M-02
1/13/2009
9/13/1987
8/4/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203890000.LAS
50733203910000
507332039100
1870860
M-25
10/10/2001
12/15/1987
9/15/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203910000.LAS
50733203940000
507332039400
1871090
37
3/14/1988
11/1/1987
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203940000.LAS
50733203950000
507332039500
1871260
C24A-14
8/9/2000
7/19/1988
1/7/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203950000.LAS
50733203970000
507332039700
1880160
C22-23
7/13/1988
4/9/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203970000.LAS
50733203980000
507332039800
1880340
38
6/21/1988
4/24/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733203980000.LAS
50733204000000
507332040000
1880470
1-RELIEF
7/31/1988
5/22/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204000000.LAS
50733204010000
507332040100
1880500
C24A-23
11/27/1988
7/21/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204010000.LAS
50733204030000
507332040300
1880990
C13-23
11/22/1988
8/28/1988
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204030000.LAS
50733204070000
507332040700
1890490
M-13
1/8/1990
10/25/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204070000.LAS
50733204080000
507332040800
1890570
M-14
1/15/2009
1/18/1990
10/28/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204080000.LAS
50733204090000
507332040900
1890600
C41-26
12/13/2002
9/23/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204090000.LAS
50733204100000
507332041000
1890870
C21-23
1/5/1990
10/6/1989
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204100000.LAS
50733204110000
507332041100
1891110
M-03
4/4/1996
8/28/1990
7/4/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204110000.LAS
50733204120000
507332041200
1900030
G-40
4/2/1990
1/13/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204120000.LAS
50733204130000
507332041300
1891330
M-05
2/6/2008
3/22/1990
1/28/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204130000.LAS
50733204140000
507332041400
1900190
M-28
12/2/1999
6/21/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204140000.LAS
50733204180000
507332041800
1900800
STURGEON
2/20/1991
10/23/1990
8/31/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204180000.LAS
50733204210000
507332042100
1901080
M-19
2/24/1994
9/3/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204210000.LAS
50733204220000
507332042200
1901090
M-15
11/4/1990
9/11/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204220000.LAS
50733204230000
507332042300
1901380
M-27
3/22/1991
11/5/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204230000.LAS
50733204280000
507332042800
1910270
M-29
7/8/1991
2/23/1991
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204280000.LAS
50733204300000
507332043000
1910640
M-30
7/7/1992
4/2/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204300000.LAS
50733204340000
507332043400
1920410
50
2/26/1996
7/19/1992
5/20/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204340000.LAS
50733204350000
507332043500
1920590
M-07
3/8/1993
8/5/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204350000.LAS
50733204360000
507332043600
1920720
51
9/10/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204360000.LAS
50733204370000
507332043700
1660520
GRANITE PT ST 17587
8/27/1999
3/17/1967
11/11/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204370000.LAS
50733204390000
507332043900
1891030
2/9/1990
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204390000.LAS
50733204400000
507332044000
1670360
9/18/1967
7/22/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204400000.LAS
50733204410000
507332044100
1670540
12/7/1992
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204410000.LAS
50733204410100
507332044101
1790170
34
8/7/1979
5/22/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204410100.LAS
50733204420000
507332044200
1790330
11/26/1979
11/19/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204420000.LAS
50733204430000
507332044300
1680160
12/11/1992
5/4/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204430000.LAS
50733204440000
507332044400
1680240
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204440000.LAS
50733204480000
507332044800
1930620
9
6/23/1993
5/18/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204480000.LAS
50733204490000
507332044900
1930640
S COOK INLET ST
1/7/1994
12/5/1993
6/2/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204490000.LAS
50733204500000
507332045000
1930660
1/21/1994
12/19/1993
6/26/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204500000.LAS
50733204510000
507332045100
1930730
42
11/4/1993
6/28/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204510000.LAS
50733204540000
507332045400
1931180
1/25/1994
9/20/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204540000.LAS
50733204550000
507332045500
1931190
3/25/1994
10/4/1993
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204550000.LAS
50733204560000
507332045600
1931200
7/8/1994
2/27/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204560000.LAS
50733204580000
507332045800
1940560
7/22/1994
6/15/1994
4/15/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204580000.LAS
50733204590000
507332045900
1940570
4/18/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204590000.LAS
50733204600000
507332046000
1940980
9/23/1994
8/12/1994
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204600000.LAS
50733204630000
507332046300
1950030
6/8/1995
3/26/1995
1/17/1995
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204630000.LAS
50733204760000
507332047600
1961270
M-09
10/8/1996
9/7/1996
8/16/1996
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204760000.LAS
50733204970000
507332049700
2001650
REDOUBT UNIT
REDOUBT SHOAL
2/21/2001
11/20/2000
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733204970000.LAS
50733205040000
507332050400
2010640
10/22/2001
7/24/2001
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733205040000.LAS
50733205060000
507332050600
2011940
6/12/2003
4/13/2002
10/29/2001
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50733205060000.LAS
50831100020000
508311000200
1660640
EXXONMOBIL PRODUCTION COMPANY
STARICHKOF ST
1/6/2010
1/13/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50831100020000.LAS
50831100070000
508311000700
1650330
COAL BAY ST
11/30/1966
11/17/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50831100070000.LAS
50831200010000
508312000100
1670380
PENNZOIL CO
STARICHKOF ST UNIT
9/15/1967
8/4/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50831200010000.LAS
50883100020000
508831000200
1660100
TYONEK ST 17588
8/10/1966
4/13/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100020000.LAS
50883100120000
508831001200
1620080
COOK INLET ST 17589
5/21/2008
8/23/1962
5/30/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100120000.LAS
50883100130000
508831001300
1620280
7/8/1964
8/27/1962
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100130000.LAS
50883100150000
508831001500
1660250
COOK INLET ST 18741
7/8/1966
6/20/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100150000.LAS
50883100160000
508831001600
1660130
COOK INLET ST 17591
11/20/1966
4/24/1966
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100160000.LAS
50883100170000
508831001700
1650300
COOK INLET ST 18740
10/25/1965
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100170000.LAS
50883100180000
508831001800
1630180
N COOK INLET ST
8/28/1964
10/12/1963
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883100180000.LAS
50883200050000
508832000500
1670340
TURNAGAIN ARM UNIT
7/17/1967
6/25/1967
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200050000.LAS
50883200160000
508832001600
1680720
2/28/1969
10/22/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200160000.LAS
50883200180000
508832001800
1680910
1/11/1969
10/28/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200180000.LAS
50883200200000
508832002000
1680990
11/2/1968
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200200000.LAS
50883200230000
508832002300
1690180
4/19/1969
3/19/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200230000.LAS
50883200250000
508832002500
1690320
8/15/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200250000.LAS
50883200260000
508832002600
1690500
6/13/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200260000.LAS
50883200270000
508832002700
1690580
8/12/1969
6/5/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200270000.LAS
50883200280000
508832002800
1690630
6/26/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200280000.LAS
50883200290000
508832002900
1690850
9/12/1969
8/20/1969
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/50883200290000.LAS
55220000010000
552200000100
1004800
C.O.S.T. COOK INLET 1
DST-07
9/24/1977
6/10/1977
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000010000.LAS
55220000020000
552200000200
1004530
OCS Y-0097 RAVEN
5/29/1980
4/6/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000020000.LAS
55220000030000
552200000300
1004520
OCS Y-0086 GUPPY
12/22/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000030000.LAS
55220000050000
552200000500
1004570
OCS Y-0136 BEDE
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000050000.LAS
55220000060000
552200000600
1004580
OCS Y-0152 BOWHEAD
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000060000.LAS
55220000070000
552200000700
1004560
OCS Y-0124 S ARCH
5/18/1979
10/20/1978
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000070000.LAS
55220000080000
552200000800
1004540
OCS Y-0113 IBIS
6/24/1980
5/9/1980
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000080000.LAS
55220000090000
552200000900
1004620
OCS Y-0243 FALCON
11/12/1984
9/19/1984
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55220000090000.LAS
55249000010000
552490000100
1004630
OCS Y-0248 CARDINAL
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55249000010000.LAS
55250000010000
552500000100
1004590
OCS Y-0161 HAWK
1/21/1980
7/15/1979
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/55250000010000.LAS
Barnes-1058-Sec-1
Sec-1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_1.pdf
Barnes-1058-Sec-10
Gravel
Sec-10
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_10.pdf
Barnes-1058-Sec-100
Sec-100
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_100.pdf
Lofgren Coal Bed
Barnes-1058-Sec-101
Sec-101
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_101.pdf
Barnes-1058-Sec-102
Sec-102
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_102.pdf
Barnes-1058-Sec-103
Sec-103
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_103.pdf
Barnes-1058-Sec-104
Sec-104
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_104.pdf
Barnes-1058-Sec-105
Sec-105
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_105.pdf
Barnes-1058-Sec-107
Sec-107
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_107.pdf
Cooper Bed
Barnes-1058-Sec-108
Sec-108
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_108.pdf
Barnes-1058-Sec-109
Sec-109
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_109.pdf
Barnes-1058-Sec-11
Sec-11
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_11.pdf
Barnes-1058-Sec-110
Sec-110
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_110.pdf
Barnes-1058-Sec-111
Sec-111
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_111.pdf
Barnes-1058-Sec-112
Sec-112
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_112.pdf
Barnes-1058-Sec-113
Sec-113
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_113.pdf
Barnes-1058-Sec-114
Sec-114
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_114.pdf
Barnes-1058-Sec-115
Sec-115
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_115.pdf
Barnes-1058-Sec-118LM
Sec-118LM
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_118.pdf
Barnes-1058-Sec-119
Sec-119
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_119.pdf
Barnes-1058-Sec-12
Sec-12
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_12.pdf
Barnes-1058-Sec-120
Sec-120
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_120.pdf
Barnes-1058-Sec-121
Sec-121
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_121.pdf
Barnes-1058-Sec-122
Sec-122
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_122.pdf
Cabin Bed
Barnes-1058-Sec-127
Sec-127
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_127.pdf
Barnes-1058-Sec-129
Sec-129
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_129.pdf
Barnes-1058-Sec-13
Sec-13
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_13.pdf
Barnes-1058-Sec-130
Sec-130
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_130.pdf
Ironstone Concretions
Barnes-1058-Sec-133
Sec-133
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_133.pdf
Barnes-1058-Sec-134
Sec-134
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_134.pdf
Barnes-1058-Sec-135
Sec-135
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_135.pdf
Barnes-1058-Sec-136
Sec-136
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_136.pdf
Barnes-1058-Sec-137
Sec-137
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_137.pdf
Barnes-1058-Sec-138
Sec-138
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_138.pdf
Barnes-1058-Sec-139
Sec-139
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_139.pdf
Barnes-1058-Sec-14
Sec-14
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_14.pdf
Barnes-1058-Sec-140
Sec-140
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_140.pdf
Bed A
Ironstone Concretiions
Barnes-1058-Sec-142
Sec-142
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_142.pdf
Bed B
Bed (?) F
Bed F (?)
Barnes-1058-Sec-148
Sec-148
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_148.pdf
Barnes-1058-Sec-15
Sec-15
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_15.pdf
Barnes-1058-Sec-151
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_151.pdf
Barnes-1058-Sec-152
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_152.pdf
Barnes-1058-Sec-154
Sec-154
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_154.pdf
Sandy Siltstone
Bed J
Barnes-1058-Sec-159
Sandy siltstone
Sec-159
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_159.pdf
Volcanic Ash
Bed I (?)
Barnes-1058-Sec-16
Sec-16
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_16.pdf
Barnes-1058-Sec-160
Sec-160
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_160.pdf
Bed J (?)
Bed K
Bed I
Bed H
Barnes-1202-Sec-122
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-122.pdf
Bony coal
Covered
Barnes-1202-Sec-123
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-123.pdf
Barnes-1202-Sec-124
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-124.pdf
Barnes-1058-Sec-169
Sec-169
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_169.pdf
Barnes-1058-Sec-175
Sec-175
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_175.pdf
Barnes-1058-Sec-176
Sec-176
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_176.pdf
Barnes-1058-Sec-35C
Sec-35C
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_35.pdf
Barnes-1058-Sec-36
Sec-36
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_36.pdf
Barnes-1058-Sec-37
Sec-37
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_37.pdf
Barnes-1058-Sec-38
Sec-38
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_38.pdf
Barnes-1058-Sec-70
Sec-70
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_70.pdf
Barnes-1058-Sec-71
Sec-71
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_71.pdf
Barnes-1058-Sec-72
Sec-72
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_72.pdf
Barnes-1058-Sec-73
Sec-73
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_73.pdf
Barnes-1058-Sec-81
Sec-81
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_81.pdf
Barnes-1058-Sec-163
Sec-163
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_163.pdf
Bed M
Bed L
Barnes-1058-Sec-164
Sec-164
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_164.pdf
Barnes-1058-Sec-165
Sec-165
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_165.pdf
Barnes-1058-Sec-168
Sec-168
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_168.pdf
Bed T
Coal with boney lenses
Bed S
Bed R
Bed Q
Bed P
Bed O
covered Interval
Barnes-1058-Sec-17
Sec-17
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_17.pdf
Barnes-1058-Sec-170
Sec-170
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_170.pdf
Bed N
Barnes-1058-Sec-171
Sec-171
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_171.pdf
Barnes-1058-Sec-29
Sec-29
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_29.pdf
Barnes-1058-Sec-21
Sec-21
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_21.pdf
Barnes-1058-Sec-22
Sec-22
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_22.pdf
Barnes-1058-Sec-23
Sec-23
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_23.pdf
Barnes-1058-Sec-24
Sec-24
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_24.pdf
Barnes-1058-Sec-53
Sec-53
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_53.pdf
Barnes-1058-Sec-54
Sec-54
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_54.pdf
Barnes-1058-Sec-55
Sec-55
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_55.pdf
Barnes-1058-Sec-85
Sec-85
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_85.pdf
Barnes-1058-Sec-88
Sec-88
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_88.pdf
Barnes-1058-Sec-89
Sec-89
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_89.pdf
Barnes-1058-Sec-3
Sec-3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_3.pdf
Barnes-1058-Sec-30
Sec-30
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_30.pdf
Barnes-1058-Sec-60
Sec-60
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_60.pdf
Barnes-1058-Sec-61
Sec-61
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_61.pdf
Barnes-1058-Sec-62
Sec-62
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_62.pdf
Barnes-1058-Sec-63
Sec-63
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_63.pdf
Barnes-1058-Sec-65
Sec-65
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_65.pdf
Barnes-1058-Sec-86
Sec-86
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_86.pdf
Covered Interva
Barnes-1058-Sec-174
Sec-174
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_174.pdf
Barnes-1058-Sec-177
Sec-177
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_177.pdf
Ironstone Concretion
Barnes-1058-Sec-18
Sec-18
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_18.pdf
Barnes-1058-Sec-19
Sec-19
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_19.pdf
Barnes-1058-Sec-2
Sec-2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_2.pdf
Barnes-1058-Sec-20
Sec-20
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_20.pdf
Barnes-1058-Sec-25
Sec-25
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_25.pdf
Barnes-1058-Sec-26
Sec-26
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_26.pdf
Barnes-1058-Sec-27
Sec-27
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_27.pdf
Barnes-1058-Sec-31
Sec-31
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_31.pdf
Barnes-1058-Sec-32
Sec-32
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_32.pdf
Barnes-1058-Sec-33
Sec-33
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_33.pdf
Barnes-1058-Sec-34
Sec-34
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_34.pdf
Barnes-1058-Sec-39
Sec-39
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_39.pdf
Barnes-1058-Sec-4
Sec-4
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_4.pdf
Barnes-1058-Sec-40
Sec-40
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_40.pdf
Barnes-1058-Sec-41
Sec-41
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_41.pdf
Barnes-1058-Sec-42
Sec-42
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_42.pdf
Barnes-1058-Sec-43
Sec-43
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_43.pdf
Barnes-1058-Sec-44
Sec-44
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_44.pdf
Barnes-1058-Sec-45
Sec-45
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_45.pdf
Barnes-1058-Sec-46
Sec-46
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_46.pdf
Barnes-1058-Sec-47
Sec-47
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_47.pdf
Barnes-1058-Sec-48
Sec-48
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_48.pdf
Barnes-1058-Sec-49
Sec-49
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_49.pdf
Barnes-1058-Sec-5
Sec-5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_5.pdf
Barnes-1058-Sec-50
Sec-50
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_50.pdf
Barnes-1058-Sec-51
Sec-51
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_51.pdf
Barnes-1058-Sec-52
Sec-52
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_52.pdf
Barnes-1058-Sec-6
Sec-6
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_6.pdf
Barnes-1058-Sec-66
Sec-66
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_66.pdf
Barnes-1058-Sec-68
Sec-68
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_68.pdf
Barnes-1058-Sec-69
Sec-69
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_69.pdf
Barnes-1058-Sec-74
Sec-74
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_74.pdf
Barnes-1058-Sec-75
Sec-75
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_75.pdf
Barnes-1058-Sec-76
Sec-76
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_76.pdf
Conglomerate
Barnes-1058-Sec-78
Sec-78
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_78.pdf
Barnes-1058-Sec-79
Sec-79
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_79.pdf
Barnes-1058-Sec-8
Sec-8
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_8.pdf
Barnes-1058-Sec-80
Sec-80
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_80.pdf
Barnes-1058-Sec-82
Sec-82
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_82.pdf
Barnes-1058-Sec-83
Sec-83
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_83.pdf
Barnes-1058-Sec-84
Sec-84
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_84.pdf
Barnes-1058-Sec-87
Sec-87
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_87.pdf
Barnes-1058-Sec-9
Sec-9
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_9.pdf
Barnes-1058-Sec-D57
Sec-D57
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_57.pdf
Barnes-1202-Sec-119
Tyonek
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-119.pdf
Barnes-1202-Sec-12
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-12.pdf
Barnes-1202-Sec-120
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-120.pdf
Barnes-1202-Sec-80
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-80.pdf
Barnes-1202-Sec-81
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-81.pdf
Siltsone
Barnes-1202-Sec-82
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-82.pdf
Merritt RI 90-1 Site CnC7
Coal, black, dull, very hard, platy, with distinctive surficial-weathering pattern similar to drusy quartz in appearance.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CnC7 Merritt 90-1.pdf
Parting, claystone (possibly volcanic ash), pale-yellowish¡orange (l0YR8/6) to dark-yellowish-orange (10YR6/6),
SEATROCK (underclay): claystone, slightly sandy, light¡olive-gray (5Y6/1) with dark-yellowish-brown (10YR4/2) organic inclusions, carbonaceous plant fragments, mica¡ceous, firmò
Merritt RI 90-1 Site CnC8
Covered interval directly above roof but includes boulders (diamicton) to several feet in diameter toward top of section.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CnC8 Merritt 90-1.pdf
Roof; claystone, slightly sandy, olive-gray (5Y4/1), carbonaceous, soft
Coal, black, dull, blocky, hard, quality of coal deteriorates significantly in basal 2-3 ft.
Merritt RI 90-1 Site WC2
Coal stringer, black, hard, platy to slightly blocky.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site WC2 Merritt 90-1.pdf
Barnes-1202-Sec-52
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-52.pdf
Barnes-1202-Sec-53
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-53.pdf
Barnes-1202-Sec-54
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-54.pdf
Concretions
Boney Coal
Barnes-1058-Sec-E59
Sec-E59
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_59.pdf
Barnes-1058-Sec-F64
Sec-F64
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_64.pdf
Barnes-1058-Sec-G67
Sec-G67
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_67.pdf
Barnes-1058-Sec-H77
Sec-H77
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_77.pdf
Barnes-1202-Sec-125
Coaly shale
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-125.pdf
coal
Barnes-1202-Sec-126
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-126.pdf
Barnes-1202-Sec-127
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-127.pdf
Barnes-1202-Sec-128
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-128.pdf
Barnes-1202-Sec-156
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-156.pdf
Barnes-1202-Sec-157
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-157.pdf
Coal Shale
OF-75-21-Sec-15
Siltstone, medium- to medium-dark-gray, clayey, finely sandy; abundant carbonaceous plant fragments and leaf impressions in part.
OF-75-21
Siltstone and interbedded sandstone; light-olive-gray
Siltstone and interbedded sandstone; light-olive-gray, medium-brown, hackly-weathering, obscurely bedded; siltstone, mostly sandy; few carbonaceous plant fragments; forms beds about 1-1.5 ft. thick; sandstone, very fine grained, subangular, silty, clayey
Shale
Shale, (15P-22)*, medium-dark-gray, hackly-weathering, obscurely bedded, clayey to finely sandy; abundant carbonaceous plant fragments; leaf impressions in part; includes at base and top beds of platy-weathering impure coal 0.1-0.2 ft. thick; near middle
Sandstone, medium- to medium-light-gray, partly ironstained, slabby-weathering (upper half), mostly cross-bedded (in lower half) and laminated to platy-bedded, friable, moderately sorted, mostly medium-grained (lower half) to fine-grained, subangular, ve
Carbonaceous shale
Carbonaceous shale, and interbedded coal; includes at top 0.1-ft. lense of brownish-gray siltstone; lower contact sharp
Barnes-1058-Sec-90
Sec-90
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_90.pdf
Barnes-1058-Sec-91
Sec-91
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_91.pdf
Barnes-1058-Sec-92
Sec-92
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_92.pdf
Barnes-1058-Sec-93
Sec-93
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_93.pdf
Barnes-1058-Sec-94
Sec-94
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_94.pdf
Barnes-1058-Sec-95
Sec-95
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_95.pdf
Barnes-1058-Sec-96
Sec-96
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_96.pdf
Barnes-1202-Sec-139
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-139.pdf
Barnes-1202-Sec-14
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-14.pdf
Barnes-1202-Sec-140
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-140.pdf
Barnes-1202-Sec-166
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-166.pdf
Barnes-1202-Sec-167
Offshore
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-167.pdf
Barnes-1202-Sec-32
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-32.pdf
Barnes-1202-Sec-33
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-33.pdf
Barnes-1202-Sec-34
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-34.pdf
Barnes-1202-Sec-35
Sec-35
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-35.pdf
Barnes-1202-Sec-36
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-36.pdf
Quartzite
Barnes-1202-Sec-37
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-37.pdf
Barnes-1058-Sec-97
Sec-97
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_97.pdf
Barnes-1058-Sec-98
Sec-98
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_98.pdf
Barnes-1058-Sec-99
Sec-99
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_99.pdf
Barnes-1058-Sec-I106
Sec-I106
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_106.pdf
Barnes-1058-Sec-J116
Sec-J116
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_116.pdf
Bed 5
Barnes-1058-Sec-K117
Sec-K117
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes_1058_Sec_117.pdf
Bed 4
Bed 3
Bed 1
Barnes-1202-Sec-1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-1.pdf
Barnes-1202-Sec-10
Lower Cretaceous
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-10.pdf
Barnes-1202-Sec-100
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-100.pdf
Barnes-1202-Sec-101
West Foreland
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-101.pdf
Barnes-1202-Sec-102
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-102.pdf
Barnes-1202-Sec-103
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-103.pdf
Barnes-1202-Sec-104
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-104.pdf
Barnes-1202-Sec-105
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-105.pdf
Barnes-1202-Sec-106
Sec-106
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-106.pdf
Sitlstone
Barnes-1202-Sec-107
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-107.pdf
Barnes-1202-Sec-108
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-108.pdf
Barnes-1202-Sec-109
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-109.pdf
Barnes-1202-Sec-110
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-110.pdf
Barnes-1202-Sec-111
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-111.pdf
Barnes-1202-Sec-112
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-112.pdf
Barnes-1202-Sec-113
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-113.pdf
Barnes-1202-Sec-114
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-114.pdf
Barnes-1202-Sec-115
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-115.pdf
Barnes-1202-Sec-116
Sec-116
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-116.pdf
Barnes-1202-Sec-117
Sec-117
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-117.pdf
Barnes-1202-Sec-118
Sec-118
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-118.pdf
Barnes-1202-Sec-121
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-121.pdf
Barnes-1202-Sec-129
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-129.pdf
Barnes-1202-Sec-13
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-13.pdf
Barnes-1202-Sec-130
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-130.pdf
Barnes-1202-Sec-131
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-131.pdf
Barnes-1202-Sec-132
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-132.pdf
Barnes-1202-Sec-133
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-133.pdf
Barnes-1202-Sec-134
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-134.pdf
Sanddstone
Barnes-1202-Sec-135
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-135.pdf
Barnes-1202-Sec-136
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-136.pdf
Barnes-1202-Sec-137
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-137.pdf
Barnes-1202-Sec-138
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-138.pdf
Clo
Barnes-1202-Sec-141
Sec-141
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-141.pdf
Barnes-1202-Sec-142
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-142.pdf
Barnes-1202-Sec-143
Sec-143
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-143.pdf
Barnes-1202-Sec-144
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-144.pdf
Barnes-1202-Sec-145
Sec-145
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-145.pdf
Barnes-1202-Sec-146
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-146.pdf
Barnes-1202-Sec-147
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-147.pdf
Barnes-1202-Sec-148
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-148.pdf
Barnes-1202-Sec-149
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-149.pdf
Barnes-1202-Sec-15
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-15.pdf
Barnes-1202-Sec-150
Sec-150
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-150.pdf
Barnes-1202-Sec-153
Sec-153
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-153.pdf
Barnes-1202-Sec-154
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-154.pdf
Barnes-1202-Sec-155
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-155.pdf
Barnes-1202-Sec-158
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-158.pdf
Barnes-1202-Sec-159
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-159.pdf
Barnes-1202-Sec-16
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-16.pdf
Barnes-1202-Sec-160
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-160.pdf
Barnes-1202-Sec-161
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-161.pdf
Barnes-1202-Sec-162
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-162.pdf
Barnes-1202-Sec-163
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-163.pdf
Barnes-1202-Sec-164
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-164.pdf
Barnes-1202-Sec-165
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-165.pdf
Barnes-1202-Sec-168
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-168.pdf
Barnes-1202-Sec-169
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-169.pdf
Barnes-1202-Sec-17
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-17.pdf
Barnes-1202-Sec-170
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-170.pdf
Barnes-1202-Sec-171
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-171.pdf
Coaly
Barnes-1202-Sec-18
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-18.pdf
Barnes-1202-Sec-19
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-19.pdf
Barnes-1202-Sec-49
Claystone Coal
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-49.pdf
Barnes-1202-Sec-5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-5.pdf
Barnes-1202-Sec-50
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-50.pdf
Barnes-1202-Sec-51
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-51.pdf
Barnes-1202-Sec-8
Tynonek
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-8.pdf
Shale, carbonaceous, olive-black (5Y2/1) with dark¡yellowish-orange (10YR6/6) mottles, fissile, firm, inter¡layered with claystone, brownish-gray (5YR4/1), locally silty,  central (0.5 ft) layer of sandstone, grayish-brown (5YR3/2).
Claystone, olive-gray (5Y4/1) with light-brown (5YR5/6) mottles, locally slightly carbonaceous and iron-stained, soft to firm.
Shale, carbonaceous, dark-gray (N3) with light-brown (5YR5/6)-weathering stains, fissile, soft to firm, inter¡banded with claystone, dark-gray (N3), carbonaceous, soft.
Claystone, dark-yellowish-brown (10YR4/2), slightly silty and carbonaceous, soft.
Coal, black, dull, firm to hard, blocky, weathered locally with abundant iron-oxide staining.
Sandstone, and interbedded+siltstone; obscurely bedded;sandstone, medium-gray, partly hackly-weathering(upper 4 ft.), mostly friable, fine-grained, partly medium-grained (in lower 3-ft. bed), subangular, very silty; some very fine grained clayey sandston
Siltstone, medium-dark-gray, hackly-weathering, obscurely bedded, very clayey; abundant carbonaceous plant fragments; lower contact fairly sharp
Shale, dark-gray, poor fissile-bedded, carbonaceous, clayey; abundant plant fragments and bony coal partings
Coal, platy-weathering; includes 0.1-ft. parting of fissile carbonaceous shale about 1 ft. above base
Covered interval
Covered interval,; laterally consists of interbedded coal and siltstone or shale
Coal, bright, blocky; lower contact sharp
Sandstone, medium-gray, partly iron-stained, partly friable, very fine grained, subangular, mostly very silty, clayey.
Barnes-1202-Sec-2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-2.pdf
Barnes-1202-Sec-20
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-20.pdf
Barnes-1202-Sec-21
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-21.pdf
Barnes-1202-Sec-55
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-55.pdf
Barnes-1202-Sec-59
Sec-59
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-59.pdf
Barnes-1202-Sec-6
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-6.pdf
siltstone
Barnes-1202-Sec-83
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-83.pdf
Barnes-1202-Sec-84
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-84.pdf
BLTN-1637
Test Well
Core Hole
CE-82-1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Bull1637_CE82_1.pdf
No Recovery
Merritt RI 90-1 Site CG4
Capps Seam; coal, black, predominantly dull and blocky but locally bony and platy with increasing vitrain bands toward basal portion.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CG4 Merritt 90-1.pdf
Parting: claystone (possibly volcanic ash), light-brownish¡gray (5YR6/1), firm.
SEATROCK (underclay)  medium-olive-gray (5Y5/1) with grayish-black (N2) carbonaceous inclusions, locally slightly fissile, soft to firm.
Section down to level of Capps Creek largely covered with talus and regolith but predominantly sandstone, med¡ium-gray (N5), medium-grained, friable but firm, and claystone, sandy, medium-gray (N5), soft to firm, breaks with conchoidal fracture.
Merritt RI 90-1 Site CnC5
Roof covered and inaccessible.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CnC5 Merritt 90-1.pdf
Barnes-1202-Sec-22
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-22.pdf
Barnes-1202-Sec-23
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-23.pdf
Barnes-1202-Sec-24
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-24.pdf
Barnes-1202-Sec-25
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-25.pdf
Barnes-1202-Sec-26
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-26.pdf
Barnes-1202-Sec-27
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-27.pdf
Barnes-1202-Sec-28
Sec-28
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-28.pdf
Barnes-1202-Sec-29
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-29.pdf
Barnes-1202-Sec-3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-3.pdf
Barnes-1202-Sec-30
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-30.pdf
Barnes-1202-Sec-31
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-31.pdf
Barnes-1202-Sec-38
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-38.pdf
Barnes-1202-Sec-39
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-39.pdf
Barnes-1202-Sec-4
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-4.pdf
Barnes-1202-Sec-40
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-40.pdf
Barnes-1202-Sec-41
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-41.pdf
Barnes-1202-Sec-42
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-42.pdf
Barnes-1202-Sec-43
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-43.pdf
Barnes-1202-Sec-44
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-44.pdf
Barnes-1202-Sec-45
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-45.pdf
Barnes-1202-Sec-46
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-46.pdf
Barnes-1202-Sec-47
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-47.pdf
Barnes-1202-Sec-48
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-48.pdf
BonyCoal
Barnes-1202-Sec-61
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-61.pdf
Barnes-1202-Sec-62
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-62.pdf
Barnes-1202-Sec-63
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-63.pdf
Barnes-1202-Sec-64
Sec-64
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-64.pdf
Barnes-1202-Sec-65
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-65.pdf
Barnes-1202-Sec-66
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-66.pdf
Barnes-1202-Sec-67
Sec-67
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-67.pdf
Barnes-1202-Sec-68
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-68.pdf
Barnes-1202-Sec-69
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-69.pdf
Barnes-1202-Sec-7
Sec-7
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-7.pdf
Barnes-1202-Sec-70
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-70.pdf
Barnes-1202-Sec-71
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-71.pdf
OF-75-21-Sec-14
Tuff
Tuff, light-gray, poor ledge-forming, obscurely bedded, hard, well indurated, vitric(?); abundant carbonaceous plant fragments mostly subparallel to bedding; includes at base 0.3-ft. bed of very fine to fine grained sandstone with abundant plant fragment
Bentonite
Bentonite, olive-gray, chunky-weathering, obscurely bedded, finely to coarsely sandy, very silty, very impure; lower contact sharp.
Sandstone, yellowish-gray to light-olive-gray, poor cliff forming, platy- to very thin bedded, partly cross bedded, medium- to very coarse grained, mostly conglomeratic, tuffaceous; common devitrified pumice fragments; abundant granules and small pebbles
Conglomerate, obscurely bedded, rounded pebble and cobble; yellowish-gray partly iron-stained mostly friable poorly sorted medium- to coarse-grained subangular granular very silty tuffaceous sandstone matrix with abundant dark rock fragments; locally inc
OF-75-383-Sec-11
Siltstone, mediumgray, obscurely bedded, sandy at base, clayey; abundant carbonaceous plant fragments; includes at 3 ft. above base a 3ft. zone of platyweathering siltstone interlaminated with very fine grained sandstone; 0.1ft. bed of mediumdarkgray ca
OF-75-383
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_11.pdf
OF-75-383-Sec-1A
Coal, blocky; includes at least 5 darkbrownishgray ironstained pyroc1astic(?) si1:stone partings up to 0.15 ft. thick  2.5
Sec-1A
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_1a.pdf
Shale, mediumgray, hacklyweathering, obscurely bedded, silty; some carbonaceous plant fragments; includes 0.1ft. black carbonaceous shale bed about 2.5 ft. above base; a 0.7ft. bed of mediumgray fine grained sandstone about 2.9 ft. above base; at 4.8 ft.
Coal, bony; interbedded with carbonaceous shale; includes thin brown pyroclastic siltstone partings near top 0.3
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; common plant fragments 6.5
Coal, blocky, appears bony in large part; includes a 0.25ft. parting of brownishgray sandy pyroclastic siltstone about 0.5ft. above base; a 0.25ft. parting of darkgray carbonaceous shale; with coal stringers 1.3 ft. above base; upper part of unit contain
Sandstone, mediumgray, slabbyweathering, obscurely bedded, medium grained, subangular, slightly silty; becomes siltstone in top onehalf; includes iron stone concretions up to 0.4 ft. thick in upper part; lower contact sharp 3.0
Siltstone, mediumgray, slabby to unevenweathering, thinbedded, obscurely c:rossbedded. clayey, very clayey in upper part; few plant fragments; includes a 2 ft. mediumgray concretionary hard limy siltstone with abundant plant remains in upper part; lower
Sandstone, mediumgray, slabbyweathering, obscurely bedded, mediumgrained, subangular to subrounded, slightly clayey; few carbonaceous plant fragments  8.5
Siltstone, mediumgray, lightgray weathering to horizontal plates up to 0.1ft. thick, laminated, clayey; no plant fragments seen  2.0
Shale, darkbrownishgray to black, carbonaceous; basal 0.2 ft. mainly darkbrownish  gray siltstone  1.5
Siltstone, mediumgray, partly lightly ironstained, hackly to slabbyweathering, obscurely bedded, clayey; includes at base a mediumgray hard limy siltstone concretion zone, up to 2 ft. thick, with abundant plant fragments and leaf impressions; 3 beds of m
Shale, mediumgray, lightbrownweathering, ironstained, carbonaceous; abundant plant fragments  0.4
Siltstone, mediumgray, slabby to irregular hackly weathering, obscurely bedded, clayey; scattered small coaly fragments; lower contact gradational  4.0
Sandstone, mediumgray, locally lightly ironstained, slabbyweathering, obscurely thinbedded, very fine grained, subangular, silty, clayey  5.0
Shale, mediumdarkgray, fissile; abundant coaly plant fragments  0.3
Shale, mediumgray; scattered carbonaceous fragments  0.7
Coal, bony  0.6
Siltstone, medium-gray to light-olive-gray, partly iron-stained, hackly-weathering, obscurely bedded, very sandy; some carbonaceous plant fragments and randomly oriented coalified wood fragments; abundant plant fragments in 0.2-ft. brownish gray bed at b
Bone coal
Bone coal, interbedded with dark-gray to black clayey carbonaceous shale; lower contact fairly sharp
Sands tone
Sands tone, medium-gray, light-olive-gray, and brownish-gray (upper 0.5 ft.), obscurely bedded, friable (lower 2 ft.), poorly sorted, fine- to coarse-grained, subangular, very silty; very clayey in upper 1 ft. and decreasingly clayey downward; abundant l
Siltstone, medium-gray, partly olive-gray tinted, obscurelybedded, partly sandy; some randomly oriented carbonaceous plant fragments; brownish-gray to medium dark-gray with abundant plant fragments in upper 0.2ft.; lower contact gradational.
Sandstone, mediumgray, lightly ironstained in part, probably laminated to platybedded (obscure), crossbedded, friable, finegrained, partly very fine grained in upper 5 ft., subangular; lenses of ironcemented sandstone less than 0.5 ft. thick; lower conta
Coal, Bed 0 (upper bench)  1.3
Shale, medium to darkgray, fissile to poor platybedded, very carbonaceous in part; abundant carbonaceous plant fragments; includes 0.1ft. coal bed in middle  0.8
Coal, platyweathering  1.0
Shale, (11P2)*, mediumgray, poor platyweathering, obscurely bedded; abundant small carbonaceous plant fragments and numerous large coalified wood fragments 0.9
Coal, Bed D. fairly blockyweathering; forms waterfall about 58 ft. high in creek; lower contact sharp  5.2
Sandstone, mediumgray. slabbyweathering, partly laminated, crossbedded, mostly friable, very fine to fine grained, Subangular, slightly clayey; upper 1.5 ft. becomes very fine grained and very silty; upper half includes carbonaceous laminae and large coa
OF-75-383-Sec-12
Interval
Interval, not studied or sampled; mostly siltstone; includes sandstone bed about 15 ft. thick about 4 ft. below top 72.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_12.pdf
Clinker
Clinker, moderatebrown to reddishbrown  2.0
Coal +ash, Bed 0, reddishbrown to yellowishbrown; includes 0.3ft. bed of weathered powdered coal at base  0.8
Siltstone, burned, brown, carbonaceous   0.8
Siltstone, and interbedded sandstone; siltstone, mediumgray, partly ironstained, poor slabbyweathering, obscurely bedded, clayey; some carbonaceous plant fragments; ironstone nodules as much as 0.2 ft. thick in basal 1 ft.; includes 0.2ft. coal bed about
Barnes-1202-Sec-72
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-72.pdf
Barnes-1202-Sec-73
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-73.pdf
Barnes-1202-Sec-74
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-74.pdf
Barnes-1202-Sec-75
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-75.pdf
Barnes-1202-Sec-76
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-76.pdf
Barnes-1202-Sec-77
Sec-77
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-77.pdf
Barnes-1202-Sec-78
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-78.pdf
Barnes-1202-Sec-79
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-79.pdf
Carbonaceous Shale
Merritt RI 90-1 Site Br1
Claystone, sandy, medium-gray, firm, and sandstone, clayey, medium-gray, medium-grained, soft to firm inter¡bedded.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site BR1 Merritt 90-1.pdf
Parting
Parting, claystone, sandy, brownish-gray (5YR4/1) with dark-gray (N3) coaly inclusions, firm.
Coal, black, dull, platy, woody, locally bony.
Merritt RI 90-1 Site CG3
Alluvium
Surficial cover; predominantly a brown sandy loam.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CG3 Merritt 90-1.pdf
Claystone, olive-black (5Y2/1) to brownish gray (5YR4/1), carbonaceous, breaks with blocky conchoidal fracture, firm, locally has pale-yellowish-orange (lOYR8/6) to light-brown (5YR5/6) goethite staining along weathered surfaces and fracture planes.
Shale, carbonaceous, brownish-black (5YR2/1) to olive¡black (5Y2/1) to grayish-black (N2), with thin interbedded lenses of sand¡stone, medium-gray (N5), coarse-grained, and coal (ap¡proximately 1 in. thick), black, bony, platy, soft and weathered.
Claystone, slightly sandy to sandy, medium-gray (N5), massive, firm, blocky conchoidal fracture and abundant iron-oxide staining along fracture planes and weathering surfaces.
Sandstone, light-olive-gray (5Y6/1) to medium-olive-gray (5Y5/1), coarse-grained, very hard, calcareous, with abundant plant-leaf fossils, pale-yellowish-orange (10YR8/6) iron-oxide staining along central (2 in. thick) band.
Claystone, olive-black (5Y2/1), massive, firm, with abundant black, carbonaceous, fossil-leaf films, locally with moderate-red (5R4/6) to dusky-red (5R3/4) hematite oxidation staining.
Shale, black (N1) to brownish-black (5YR2/1), slightly carbonaceous, fissile, soft to firm, locally highly weath¡ered.
Claystone, moderate-brown (5YR3/4) with black (N1) coaly inclusions, soft to firm, breaks with conchoidal fracture, rounded limonite on hematite nodules to 2 in. diameter, thin streaks and contorted laminae of black carbonaceous shale.
Shale, carbonaceous, black (N1) with l4l:ht-brown (5YR5/6)-weathering stains, fissile, soft.
Claystone, olive-gray (5Y4/1) to olive-black (5Y2/1), firm to soft, with blocky fracture pattern.
Capps Seam: coal, black, dull, firm to hard, locally with thin (less 3 in.) vitrain bands, surfaces and fractures covered with abundant iron-oxide and sulfate stains, local siderite.
Surficial cover; unconsolidated light-brown sand and sandy loam.
Coal (top 2 ft), black, soft, highly weathered, and shale, carbonaceous, black (N1), fissile, firm.
Parting, claystone, dark-gray, carbonaceous, soft.
Merritt RI 90-1 Site PA1
Coal, black, dull, hard, bony.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site PA1 Merritt 90-1.pdf
Claystone, sandy, light-gray (N7) with black (N1) coaly inclusions and local pale-yellowish-orange (10YR8/6) mottling, and soft, at top; grades to sand, medium-gray (N5), fine-grained, clayey, loose, soft toward basal portion.
Sand
Sand, grayish-orange (1OYR7/4) and light-olive-gray (5Y6/1), medium-grained, soft with abundant limonite staining and disseminated black organic matter.
Claystone, medium-olive-gray (5Y5/1), slightly sandy to sandy, firm-soft.
Claystone, sandy, light-gray (N7), firm.
Merritt RI 90-1 Site PA2
Claystone, medium-gray (N5), firm
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site PA2 Merritt 90-1.pdf
Graywacke
Graywacke, predominantly olive-gray (5Y4/1) with light-olive-gray (5Y6/1) inclusions, carbonaceous, feldspathic; stands in relief within softer claystone unit.
Barnes-1202-Sec-85
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-85.pdf
Barnes-1202-Sec-86
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-86.pdf
Barnes-1202-Sec-87
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-87.pdf
Barnes-1202-Sec-88
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-88.pdf
Barnes-1202-Sec-89
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-89.pdf
Barnes-1202-Sec-9
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-9.pdf
Barnes-1202-Sec-90
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-90.pdf
Bony Caol
Barnes-1202-Sec-91
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-91.pdf
Barnes-1202-Sec-92
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-92.pdf
Barnes-1202-Sec-93
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-93.pdf
Barnes-1202-Sec-94
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-94.pdf
Barnes-1202-Sec-95
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-95.pdf
Barnes-1202-Sec-96
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-96.pdf
Barnes-1202-Sec-97
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-97.pdf
Barnes-1202-Sec-98
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-98.pdf
Barnes-1202-Sec-99
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Barnes-1202-Sec-99.pdf
Beluga-6336
Drill Hole
Capps Bed
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-6336.pdf
Waterfall Bed
Beluga-6338
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-6338.pdf
Beluga-6340
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-6340.pdf
Beluga-6341
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-6341.pdf
Beluga-6343
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-6343.pdf
Beluga-7717
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-7717.pdf
Beluga-7720
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-7720.pdf
Beluga-8077
GreenZone
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-8077.pdf
BlueZone
Beluga-8078
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-8078.pdf
RedZone
Beluga-8079
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-8079.pdf
Beluga-8083
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-8083.pdf
Beluga-8084
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Beluga-8084.pdf
Diamicton
Chuitna-1212-06A2
1212_06A2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1212_06A2.pdf
Chuitna-1212-7A2
1212_7A2
Brown
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna_12_12_7_A_2.pdf
Yellow 5
Yellow 4
Yellow 3
Chuitna-1213-01A1
1213_01A1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1213_01A1.pdf
Chuitna-1312-06B1
1312_06B1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_06B1.pdf
Chuitna-1312-14A
1312_14A
Red 3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_14A.pdf
Red 2
Red 1
Chuitna-1312-15D2
1312_15D2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_15D2.pdf
Chuitna-1312-15S
1312_15S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_15S.pdf
Chuitna-1312-15U
1312_15U
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_15U.pdf
Chuitna-1312-19B2
1312_19B2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_19B2.pdf
Chuitna-1312-19E1
1312_19E1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna_13_12_19_E1.pdf
Chuitna-1312-20C1
1312_20C1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_20C1.pdf
Chuitna-1312-21D1
1312_21D1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_21D1.pdf
Chuitna-1312-22F
1312_22F
Green
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_22F.pdf
Blue
Chuitna-1312-22S
1312_22S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_22S.pdf
Chuitna-1312-22T
1312_22T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_22T.pdf
Chuitna-1312-22U
1312_22U
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_22U.pdf
Chuitna-1312-23C
1312_23C
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_23C.pdf
Chuitna-1312-23W
1312_23W
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_23W.pdf
Chuitna-1312-25C
1312_25C
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_25C.pdf
Chuitna-1312-25S
1312_25S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_25S.pdf
Chuitna-1312-25T
1312_25T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_25T.pdf
Chuitna-1312-26B2
1312_26B2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26B2.pdf
Chuitna-1312-26S
1312_26S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26S.pdf
Chuitna-1312-26T
1312_26T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26T.pdf
Chuitna-1312-26U
1312_26U
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26U.pdf
Chuitna-1312-26V
1312_26V
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26V.pdf
Chuitna-1312-26W
1312_26W
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_26W.pdf
Chuitna-1312-27G
1312_27G
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_27G.pdf
Chuitna-1312-27S
1312_27S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_27S.pdf
Chuitna-1312-27V
1312_27V
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_27V.pdf
Chuitna-1312-27W
1312_27W
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_27W.pdf
Chuitna-1312-28H2
1312_28H2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_28H2.pdf
Chuitna-1312-28S
1312_28S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_28S.pdf
Chuitna-1312-28T
1312_28T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_28T.pdf
Chuitna-1312-29B1
1312_29B1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_29B1.pdf
Chuitna-1312-29C2
1312_29C2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_29C2.pdf
Chuitna-1312-30C1
1312_30C1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_30C1.pdf
Chuitna-1312-31A1
1312_31A1
Yellow
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_31A1.pdf
Chuitna-1312-31D1
1312_31D1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_31D1.pdf
Chuitna-1312-33E1
1312_33E1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna_13_12_33_E1.pdf
Chuitna-1312-34E1
1312_34E1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_34E1.pdf
Chuitna-1312-34S
1312_34S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_34S.pdf
Chuitna-1312-34T
1312_34T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_34T.pdf
Chuitna-1312-34V
1312_34V
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_34V.pdf
Chuitna-1312-35C1
1312_35C1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna_13_12_35_C_1.pdf
Chuitna-1312-35S
1312_35S
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_35S.pdf
Chuitna-1312-35T
1312_35T
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_35T.pdf
Chuitna-1312-35U
1312_35U
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_35U.pdf
Chuitna-1312-35V
1312_35V
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_35V.pdf
Chuitna-1312-36A
1312_36A
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-1312_36A.pdf
Chuitna-3-19
3_19
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-3_19.pdf
Chuitna-4-11
4_11
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-4_11.pdf
Chuitna-4-13
4_13
Yellow 2U
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-4_13.pdf
Yellow 2L
Chuitna-4-18
4_18
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-4_18.pdf
Chuitna-5-27
5_27
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-5_27.pdf
Yellow 1
Yellow 2
Chuitna-5-37
5_37
Brown 2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-5_37.pdf
Brown 1
Chuitna-CH-10
CH_10
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-CH_10.pdf
Chuitna-G-3-5
G_3.5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-G_3_5.pdf
Chuitna-J-3
J_3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Chuitna-J_3.pdf
IR-85-4114-TW-79-2
Colluvium
IR-85-4114
TW-79-2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Water IR 85-4114_Page_12.pdf
IR-85-4114-TW-80-2
TW-80-2
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Water IR 85-4114_Page_14.pdf
IR-85-4114-TW-80-3
TW-80-3
IR-85-4114-TW-80-4
TW-80-4
Silt
IR-85-4114-TW-80-6
TW-80-6
IR-85-4114-TW-80-7
TW-80-7
Coal (inaccessible); section discontinued.
Sandstone, clayey, medium-gray (N5), medium-grained, firm.
Claystone, slightly sandy, light-olive-gray (5Y6/1), streak¡ed olive-gray (5Y4/1), firm.
Coal, brownish-black, dull, bony, hard.
Sandstone, slightly clayey, olive-gray (5Y4/1) with gray¡ish-black (N2) coaly inclusions, medium-grained with disseminated, very fine muscovite, friable.
Claystone, slightly sandy, light-olive-gray (5Y6/1) with medium-olive-gray (5Y5/1) to olive-gray (5Y4/1) streaks, finely disseminated black organic matter and thread¡like stringers of coal, locally iron-oxide-stained.
Coal, black, dull, platy, bony, hard.
Sandstone, light-olive-gray (5Y6/1) with black (N1) coaly inclusions, medium-grained, organic, firm.
Sandstone, clayey, light-olive-gray (5Y5/1), medium¡grained, disseminated black organic matter and fine muscovite, locally friable.
Sandstone, medium-gray (N5), medium-to coarse-grained, abundant disseminated black organic matter ("salt and pepper"), friable, soft.
Claystone, sandy, light-olive-gray (5Y6/1) with pale yel¡lowish-orange (10YR8/6) mottling, firm but weathered soft locally.
Coal, black, dull, platy, hard, bony.
Sandstone, medium-olive-gray (5Y5/1), speckled white . (N9) and black (N1), organic, medium-grained, hard with coal spars at top; below sandstone, medium gray (N5), medium grained, weathered, friable, soft.
Claystone, sandy, medium-olive-gray (5Y5/1) with olive¡black (5Y2/1) streaks, predominantly, and sandstone, clayey, medium-gray (N5), medium-grained, firm, inter¡bedded with few thin (less 0.5 ft) coal stringers.
Shale, carbonaceous, brownish-gray (5Y4/1), firm to hard, iron-rich, slightly fissile.
Claystone, sandy, medium-olive-gray (5Y5/1) with fine brownish-black (5YR2/1) coaly inclusions, firm, pre¡dominantly, but interbedded with sandstone, clayey, medium-gray (N5), medium-grained,  and thin (less 0.5 ft) coal stringers.
Coal (inaccessible).
Sandstone, medium-gray, medium-to coarse-grained, friable, firm.
Canyon Bed; coal, black, dull, blocky with few vitrain bands, hard; locally platy and ashy.
Claystone, (seat rock) sandy, olive-black (5Y11), carbonaceous, firm
Claystone, pinkish-gray (5YR8/1) with grayish-black (N2) to black (N1) coaly inclusions, locally carbonaceous, rooted, weathered and soft.
Shale, carbonaceous, black (N1), fissile, highly weathered, soft.
Claystone, slightly sandy, pinkish-gray (57R8/1) with grayish-black (N2) coaly inclusions and black (N1) disseminated organic matter, firm; 0.2 ft band of shale, carbonaceous, black (N1), fissile, highly weathered and soft in center of unit.
Claystone, slightly sandy, pinkish-gray (5YR8/1) with black (N1) coaly inclusions and local dark-yellowish¡orange (10YR6/6) mottling, firm
Boulders (diamicton) up to several feet in diameter.
SEATROCK 4 Shale, carbonaceous, brownish-black (5YR2/1), soft, smutty.
Claystone, sandy, light-olive gray (5Y6/1), slightly carbonaceous, especially toward top, micaceous, soft to firm.
Merritt RI 90-1 Site CR10
Surficial cover; brown sandy loam, sand, and gravel.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CR10 Merritt 90-1.pdf
Burn (clinker, "red dog," scoria, porcellanite).
Coal, predominantly dull and blocky with thin (less 2 in.) vitrain bands and bony layers (to 0.5 ft), hard.
Shale, carbonaceous, olive-gray (5Y4/1) with light-brown (5YR5/6)-oxidation staining, firm.
Claystone, dark-gray (N3), carbonaceous, soft, locally weathered with light-brown (5YR5/6)-limonite staining.
Sandstone, medium-gray (N5), medium-to coarse-grained, locally conglomeratic with interbedded quartz-pebble conglomerate bands, especially toward the basal portion of outcrop and light-brown (5YR5/6)-iron-oxide staining.
Merritt RI 90-1 Site CR3
Baked shale and varicolored clays weathering from it.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CR3 Merritt 90-1.pdf
Chuitna Bed (Partial exposure, basal portion); coal, black, dull, blocky, highly weathered.
SEATROCK (underclay) Claystone, sandy, medium-light-gray (N6), black carbo¡naceous leaf impressions, soft.
Merritt RI 90-1 Site CR5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CR5 Merritt 90-1.pdf
Coal, black, dull, blocky, highly weathered with abundant orange-limonite staining.
PARTING, Claystone, light-olive-gray (5Y6/1), locally carbonaceous, iron-oxide staining, firm.
Merritt RI 90-1 Site PA3
Parting, shale, carbonaceous, olive-black (5Y2/1) with grayish-black (N2) coaly inclusions and moderate-brown (5YR4/4)-weathering stains, fissile, firm, and claystone, dark-gray (N3), carbonaceous, soft, and smut, black (N1).
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site PA3 Merritt 90-1.pdf
Coal, as above.
Sandstone, Seat Rock, pebbly, as in roof.
Merritt RI 90-1 Site SC2
Overburden
Surficial cover, brown sandy loam.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site SC2 Merritt 90-1.pdf
Sandstone, medium-gray, medium-grained, with yellow iron-oxide staining locally; interbands of quartz-pebble conglomerate (pebbles to 2 in. diameter) up to 0.5 ft thick.
Conglomerate, monomictic, quartz-pebble, hard, well cemented.
Sandstone, medium-yellowish-gray, medium-grained, hard, with surficial iron-oxide-weathering stains.
Claystone, dark-gray, carbonaceous, firm.
Claystone, sandy, light-gray, firm.
Claystone, medium-light-gray (N6) with black (N1) coaly inclusions and light-brown (5YR5/6)-weathering stains, firm, breaks conchoidal fracture.
Coal, black, blocky, hard; middle has black, carbonaceous shale, partings.
Claystone, Seat rock (underclay), light-gray, slightly sandy, firm.
Sandstone, medium-yellowish-gray, medium-grained, very hard, surficial iron-oxide-weathering stains.
Merritt RI 90-1 Site SC3
Roof not exposed; covered interval.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site SC3 Merritt 90-1.pdf
Coal, black, dull, platy, bony, highly weathered on surface.
Conglomerate, medium-light-gray, partly i;on-stained, obscurely bedded, friable, granule and small pebble(well rounded); white quartz, black rockfragments, and scattered grayish-orange-pink sandy ash tuff; light-gray friable poorly sorted medium grained
Coal, slumpy, partly platy-weathering, blocky; poorly observed; probably rather impure for mos t part; includes at 0.5 ft. above base a 0.2-ft. bed of brownish-gray platy-weathering clayey carbonaceous siltstone overlain by a 0.7-ft. bed of medium-gray p
Siltstone, (15aP-9)*, medium- to medium-dark-gray, hacklyweathering, obscurely bedded, clayey; abundant carbonaceous plant fragments; includes D.3-ft. bed of platy-weathering impure coal at 0.3 ft. above base.
Coal,
Sandstone, medium-brownish-gray, obscurely bedded, friable, . poorly sorted, fine- to medium-grained, subangular, micaceous, silty, very clayey; lower contact sharp
OF-75-383-Sec-10
Shale, (10P4)*, mediumgray, laminated to platybedded; some carbonaceous plant fragments; lower contact sharp  0.8
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_10.pdf
Sandstone, mediumgray, obscurely bedded, friable, fine to mediumgrained becoming very fine grained near top, subangular, clayey; carbonaceous plant fragments in upper part; includes at top a 0.1ft. bed of darkgray to brownishgray laminated to platybedded
Shale, mediumgray, locally ironstained. obscurely bedded; becomes siltstone in upper half, some carbonaceous plant fragments; lower contact gradational 1.0
Shale, darkgray, fissile to platybedded, carbonaceous; abundant carbonaceous plant fragments; many impure coal stringers; lower contact gradational  0.6
Tuff, yellowishgray to yellowishbrown, thinslabbyweathering, mediumgrained; includes, mostly in lower half, laminae and very thin beds of friable mediumgrained sandstone showing wavy bedding and (microfaulting˜; interfingers with underlying unit  5.5
Sandstone, mediumgray, slabbyweathering, thinbedded, crossbedded, very fine to finegrained, subangular to subrounded, Silty, clayey; abundant small carbonaceous plant fragments 1.5
Shale, mediumgray, platybedded; abundant very thin coaly wood fragments parallel to bedding  0.8
Shale, mediumgray, poor slabbyweathering, obscurely bedded, clayey; abundant coaly plant fragments  2.1
Shale, darkgray, fissile, carbonaceous; lower contact gradational  0.2
Coal, mostly blocky; includes few stringers of brown sandstone up to 0.01 ft. thick  1.8
Shale, darkgray, fissile, carbonaceous; many plant fragments; includes near middle a 0.4ft. bed of brownish gray concretionary siltstone with abundant plant fragments  2.4
Coal, black, dull, blocky, hard.
Merritt RI 90-1 Site CR9
Roof of coal inaccessible
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site CR9 Merritt 90-1.pdf
SEATROCK Sandstone, light-olive-gray (5Y6/1) to pinkish-gray (5YR8/1), medium-grained, relatively clean, pre¡dominantly quartz. Minor (near 0.5 ft) partings of quartz-pebble con¡glomerate and conglomeratic sandstone toward top of section beneath coal bed
Merritt RI 90-1 Site FM1
Surficial cover; loam, sand, brown, disseminated black¡organic matter, soft, rooted.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site FM1Merritt 90-1.pdf
Sandstone. yellowish-gray, medium-grained, slightly clayey, soft. yellow-to orange-iron-oxide mottling, rare extremely fine disseminated muscovite.
Claystone. , light-gray. soft" with abundant yellow-ironoxide staining
Claystone, sandy, medium-gray, fine disseminated musco¡vite and black organic matter, firm; thin (1 in.) stringer of coal, black. dull, very hard,forming base.
Sandstone. yellowish-gray, coarse-grained, locally contains dill" seminated organic matter and abundant threadlike stringers of black carbonaceous material, weathered, loose.
Conglomerate, petromictic, light to medium-gray; sand matrix, coarse-grained, predominantly quartz and chert;  interspersed with stringers and pockets of clay, light-to medium-gray, soft, plastic. Thin coal stringer (less 1 in.) at base of conglomerate.
Claystone, dark-gray, slightly sandy, carbonaceous, firm.
Shale, carbonaceous, black, fissile, soft to firm, weathered.
Claystone, medium-brownish-gray, slightly carbonaceousand sandy, firm.
Claystone, medium-gray, very sandy, firm.
Sand, medium-gray, medium- to coarse-grained with abundant limonitic and hematitic staining and black coaly stringers and bands.
Conglomerate, petromictic (as above) but with abundant coal cobbles and gravel inclusions; few graphite nodulesto 0.5 ft diameter near base directly above coal; also contains few clean orthoquartzite-sandstone cobbles.
Shale, carbonaceous, black (Nl), fissile, firm, weathered with abundant iron-oxide staining.
Coal, F Seam, black, dull, platy, ashy, weathered, poor-quality.
Partings, claystone, olive-black (5Y2/1), carbonaceous, slightly sandy, firm, thin (less 2 in.) coal bed in basal portion.
Coal, F seam, black, dull, platy, bony, poor quality with thin laminae of claystone, sandy, medium-gray, soft and shale, carbonaceous, black, fissile, soft, intercalated for top 2 ft; lower 0.5 ft dull, blocky, hard coal.
Seatrock (underclay), Claystone, sandy, medium-light (N6)-gray, firm, more sandy toward basal portion with few  interspersed sand lenses, light- to medium-gray, medium grained, micaceous, locally limonite-stained.
Sand, yellowish-gray, fine- to medium-grained, soft, loose with disseminated fine black organic matter and muscovite; also smutty coal stringers (around 0.5 in.) locally.
Conglomerate, petromictic pebble-cobble, with coarse grained, poorly lithified sand matrix; abundant coal, quartz, chert, and clean orthoquartzite sandstone; pebbly sandstone lenses to 1 ft thick locally throughout this section.
from base FM1 3 of 7
Shale, carbonaceous, black (N1) with light-brown (5YR5/6) weathering stains, fissile, firm.
Coal, E Seam, top 2 ft, black, dull, platy, weathered, firm; basal portion dull, blocky, bony, hard.
Claystone, olive-gray (5Y 4/1) with black (N1) coaly inclusions and local light-brown (5YR5/6) mottling, firm, breaks with conchoidal fracture.
Sandstone, medium-gray, fine-grained, friable, slightly clayey, with fine disseminated muscovite and black organic fragments.
Sand, medium-gray, medium-grained, loose, soft with disseminated, extremely fine muscovite and black organic matter, locally limonite-stained.
Claystone, sandy to very sandy, medium-gray, firm with abundant limonite staining.
Sand, light- to medium-gray, fine- to medium-grained, slighly clayey, soft, with disseminated fine muscovite flakes and black organic matter.
Claystone, sandy, medium-gray ish-brown, firm, local iron-oxide staining.
Claystone, very sandy, light-gray, firm.
Sandstone, clayey, light-gray, medium-grained, friable soft, with fine disseminated black organic matter and coaly streaks.
Claystone, sandy, light-gray, firm, with weathered ironstone nodules to 2 in. diameter.
Shale, carbonaceous, dark-gray (N3) to black (N1), clayey, fissile, soft.
Coal, D seam, Coal, black, dull, hard, platy, bony.
Claystone, Seat rock (underclay), Claystone, sandy, olive-gray (5Y4/1) with grayish-black (N 2)-threadlike stringers, firm, breaks with conchoidal fracture, locally limonite-stained.
Shale, carbonaceous, brownish-black (5YR2/1), fissile, weathered, soft.
Coal, C seam, black, dull, hard, blocky at top to bony and platy at basal portion
Claystone, Seat rock (underclay), very sandy, light-olive-gray (5Y6/1), firm .
Claystone, sandy, medium-gray, firm, with very fine disseminated muscovite.
Sand, medium-gray, very coarse-grained, angular to subangular grains, disseminated black fine coal fragments, friable, loose, weathered.
Conglomerate, petromictic, pebble-cobble (including coal); sand matrix, very coarse-grained, poorly lithified with fine disseminated coal fragments; local coarsegrained pebbly sand ayers up to 1 ft thick.
Claystone, medium-gray but grades to dark-gray and carbonaceous in basal portion, soft to firm; pockets and stringers of coal near bottom.
Merritt RI 90-1 Site FM2
Surficial cover predominantly a sandy loam grading to sand at base.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site FM2 Merritt 90-1.pdf
Coal, B Seam, top 0.5 ft black, very soft, smutty; bottom 3 ft very hard and bony, breaks blocky and locally with conchoidal fracture.
Shale, carbonaceous, brown, black , (5Y2/1), clayey, soft.
Claystone, olive gray (5Y4/1) with moderate-brown (5YR4/4) plant-fragment inclusions, slightly silty, soft to firm.
Claystone, sandy, light-gray, soft, with very fine disseminated muscovite.
Claystone, medium-gray (N5) with black (N1) inclusions and dark-yellowish-orange (10YR6/6) mottling, slightly sandy and carbonaceous, firm.
Coal, A Seam, black to brownish-black, lignitic toward base, poor quality; thin (less 1 in.) partings of claystone, brown, firm, and shale, carbonaceous, black, fissile, firm, toward top.
Claystone, sandy, olive-gray (5 Y 4/1) with grayish-brown (5YR3/2) and blackish-red (5R2/2) plant-fragment inclusions, disseminated extremely fine muscovite, firm.
Coal stringer, black, hard, woody.
Claystone, very sandy, medium-gray (N5), extremely fine disseminated muscovite, firm.
Conglomerate, petromictic, pebble-cobble; pebbles, gravels, and cobbles consisting of quartz, chert, orthoquartzite sandstone, coal, and granite in a coarse grained, sand matrix; also includes pebbly, coarse-grained sand intervals to several feet thick.
Merritt RI 90-1 Site JC2
Section includes 50-ft ledge of sandstone, conglomerate, two other thin coal beds, gravel, and surficial cover.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site JC2 Merritt 90-1.pdf
Shale, carbonaceous, black, hard, fissile, local iron-oxide staining.
Coal, black, very hard, bright, glassy fracture, semianthracitic, conchoidal fracture.
Shale, carbonaceous, olive-black (5Y2/1) to black (N1), fissile, firm.
Claystone, olive-black (5Y2/1) with black (N1) coaly stringers, firm. Approximately 8 ft of claystone is followed down section to creek level by sandstone, medium-gray, medium-grained, hard.
Merritt RI 90-1 Site JC3
Overburden section of approximately 30 ft of pebbly sandstone, conglomerate, and unconsolidated surficial cover, locally highly washed and eroded with covered intervals.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site JC3 Merritt 90-1.pdf
Coal, black, dull, hard, bony, locally platy and weathered with iron-oxide staining.
with iron-oxide staining.
Claystone, sandy, light-olive-gray (5Y6/1) with olive black (5Y2/1) carbonaceous inclusions and dark-yellowish- orange (10YR6/6) mottling; becomes less sandy and more silty toward base.
Claystone, dark-yellowish-brown (10YR4/2) with dark gray (N3) carbonaceous stringers and dark-yellowish orange (10YR6/6) mottling, firm.
Coal, black, hard, dull, bony, platy.
(N1) coaly inclusions and local dark-yellowish-orange (10YR6/6) mottling, firm.
Sandstone and sand, light-olive-gray (5Y6/1) with black (N1) coaly inclusions and local pale-yellowish-orange (10YR8/6) mottling, coarse-grained, angular to subrounded, predominantly  quartz but arkosic, weathered, friable, soft.
Claystone, sandy, moderate-yellowish-brown (10YR5/4) dark-yellowish-orange (10YR6/6) and pale-yellowish orange (10YR8/6) streaked, soft to firm, with distinctive gravels of brown amber and coalified wood laths.
Clay, light-olive-gray (5Y6/1), very soft, plastic, pliable.
Claystone, medium-gray (N5) with grayish-black (N2) coaly inclusions, firm, breaks in conchoidal blocks.
Coal, black, hard, dull, bony.
Shale, carbonaceous, medium-gray (N5) to grayish-black (N2), firm with transitions to claystone, medium- to dark gray, locally carbonaceous, silty to sandy, soft to firm.
Claystone, light-olive-gray (5Y6/1) with dark-gray (N3) to black (N1) coaly inclusions and light-brown (5YR5/6) to moderate-brown (5YR3/4)-oxidation staining, slightly sandy, soft, with few inches of shale, grayish-purple (5P4/2).
Sand, clayey, light-olive-gray (5Y6/1), medium-grained, soft, loose.
Claystone, sandy, light-olive-gray (5Y6/ 1), soft.
Sandstone, light-olive-gray (5Y6/1) with medium-dark gray (N4) carbonaceous plant fragments and films, firm, clayey, with interbedded claystone, sandy, medium-gray (N5), local iron-oxide staining.
Sandstone, light-olive-gray (5Y6/1) predominant (but "salt and pepper"), coarse-grained, subangular to subrounded grains, locally iron-stained (limonitic) bands, friable, soft; thin (4 in.) layer of claystone, light-gray (N7), silty, soft in center.
Claystone, sandy, medium-olive-gray (5Y5/1) and dark yellowish-brown (10YR4/2) streaked, and black (N1) coal stringers, soft; grades to claystone, medium-gray (N5) to moderate-yellowish brown (10YR5/4) at base with stringers of coalified wood.
Claystone, pale-yellowish-orange (10YR8/6) to yellowish gray (5Y7/2) with light-brown (5YR5/6)-weathering streaks, firm.
Sandstone, yellowish-gray (5Y7/2) with local dark-yellowish-orange (10YR6/6) mottling, medium-grained, friable, firm. Sandstone, yellowish-gray (5Y7/2) with local dark-yellowish-orange (10YR6/6) mottling, medium-grained, friable, firm.
Claystone, very sandy, light-olive-gray (5Y6/1) with fine grayish-black (N2) and light-brown (5YR5/6) inclusions, soft.
Claystone, olive-black (5Y2/1) with grayish-black (N2) coaly inclusions, firm.
Claystone, sandy, grayish-yellow (5Y8/4) to yellowish gray (5Y7/ 2), soft; sandstone, light (N7)- to medium gray (N5), medium-grained, friable, soft, with abundant
limonite staining, and weathered loose sand.
Claystone, sandy, light-olive-gray (5Y6/1), firm, with a thin (approximately 0.5 in.) coal stringer along top.
Sandstone, yellowish-gray (5Y7/ 2), medium- to coarse grained, friable, soft to firm.
Claystone, olive-gray (5Y4/1), slightly sandy, soft to firm
Sandstone, yellowish-gray (5Y8/1) with grayish-black (N2) inclusions ("salt and pepper"), medium-grained, soft, and claystone, sandy, firm.
Claystone, light-olive-gray (5Y6/1), firm, locally silty to slightly sandy with common hematitic surface staining.
Claystone and shale, interbanded, carbonaceous, dark gray (N3) to olive-black (5Y2/1), firm.
Sandstone and weathered loose sand, yellowish-gray (5Y7/2) with pale-yellowish-orange (10YR8/6) mot¡tling, medium-grained, with disseminated black organic matter; grades to coarse-grained, loose, dark-yellowish orange (10YR6/6),sand at base.
Claystone, olive-gray (5Y4/1), slightly sandy, firm with abundant limonite and hematite staining.
Sandstone, light-olive-gray (5Y6/1) with dark-yellowish orange (10YR6/6)-weathering stains, medium-grained, locally slightly clayey, friable.
Claystone, light-olive-gray (5Y6/1) to medium-olive¡gray (5Y5/1), slightly silty, firm.
Shale, carbonaceous, medium-gray (N5) to grayish-black (N2). fissile. firm.
Sandstone, clayey, light-olive-gray (5Y6/1) with light¡brown (5YR5/6) mottling, abundant disseminated black organic matter and muscovite.
Sand, yellowish-gray (5Y7/2), medium-grained, soft, loose with abundant limonite staining.
Claystone, light-gray (N7), slightly sandy, soft.
Coal, black, firm, dull, platy.
Claystone, light-gray (N7), slightly silty, soft.
Claystone, medium-gray (N5), slightly carbonaceous and silty, firm.
Shale, carbonaceous, black (N1), fissile, firm.
Coal, black, dull, hard, blocky in center section, woody toward top and basal portions.
Claystone (possibly volcanic ash), medium-light-gray (N6) with grayish-black (N2) coaly inclusions and dark yellowish-orange (lOYR6/6) mottling, firm.
Claystone, Seat Rock, sandy, medium-gray (N5), firm, locally limonite-stained.
Sandstone, pebbly (quartz/chert), moderate-brownish gray (5YR5/1), coarse-grained, granular, friable.
Coal, brownish-black, dull, woody, firm.
Claystone, Seat Rock, brownish-gray (5YR4/1), locally carbonaceous, firm to soft, with light-brown (5YR5/6) iron oxide staining; interbedded with shale, carbonaceous, black (N1), fissile, firm.
Claystone, light-gray (N7) to light-olive-gray (5Y6/1), locally slightly carbonaceous, firm to soft, breaks with conchoidal fracture .
Sandstone and sand, yellowish-gray (5Y7/2) to light olive-gray (5Y6/1), medium- to coarse-grained, angular to subrounded grains, disseminated fine black organic matter and muscovite, but predominantly quartz sand, friable to loose.
Merritt RI 90-1 Site SC4
Covered interval 30 ft to top of ridge.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site SC4 Merritt 90-1.pdf
Claystone, Sandy, olive-gray with dark-yellowish-orange (10YR6/6)- to light-brown weathering mottles.
Coal, black, hard, bright, blocky.
Volcanic ash
Volcanic ash, olive-gray to light-bluish-gray, hacky weathering and sandy in lower 0.3 ft., weathered; hard and dark bluish gray in basal 0.1 ft.; includes small white spherical grains in lower 0.3 ft.; plastic in upper part; 0.1-ft. bed of light-brownis
Sandstone, medium-light-gray to pale-yellowish-brown, iron-stained, friable, very poorly sorted, coarse grained, subangu1ar, clayey, very silty; scattered small pebbles; includes 2 lenses of pebble conglomerate, each about 1 ft. thick, at 2.5 and 0.3 ft.
Conglomerate, gray, pebble; few cobbles; light-yellowish brown iron-stained friable poorly sorted medium- to coarse-grained subangu1ar clayey very silty sandstone matrix principally made up of very light-gray and clear grains of quartz and feldspar; incl
Siltstone (14P-72)*, yellowish-gray to light-olive-gray, hackly- to poor platy-weathering, obscurely bedded, very clayey, tuffaceous; few carbonaceous plant fragments; may be a tuff; lower contact sharp
Sandstone, olive-gray, olive-green, and olive-brown, obscurely bedded, friable, poorly sorted, mostly medium to coarse-grained, subangular, granular, silty, clayey; partly fine- to medium-grained in middle; many coarse grains and granules of dark-gray pl
Sandstone, medium-gray, olive-gray, and greenish-gray, mostly hack1y-weathering, obscurely bedded, mostly very fine grained and very clayey, partly fine- to medium-grained and friable, subangu1ar, tuffaceous; near middle includes rounded pebbles at base
Tuff and interbedded sands tone and siltstone (mostly not closely examined); blocky- to platy-weathering, cliff forming, platy- to very thin bedded, partly laminated, closely jointed; carbonaceous films and plant fragments; tuff, yellowish-brown, hard, v
Sandstone, not examined; locally poor cliff-forming; appears similar to underlying unit except conglomerate beds largely confined to about the lower 15 ft.
Sandstone, medium-light-gray, partly iron-stained, obscurely bedded, probably partly cross-bedded, friable, poorly sorted, mostly medium-grained, subangular to subrounded; common black rock fragments; some coarse-grained with scattered rounded white quar
Sandstone, medium-light-gray, partly heavily iron-stained, obscurely bedded, probably partly cross-bedded, friable, mostly medium-grained, subangular to subrounded; common dark-gray rock fragments; some coarse grained with scattered granules of dark- to
Coal, Capps bed (upper bench), mostly platy-weathering, partly blocky, cliff-forming; lower half appears more impure than upper half; includes lenticular partings of deeply weathered medium-gray silty shale as much as 0.4 ft. thick at 2, 2.5, and 4 ft. a
Siltstone, medium-gray, partly iron-stained, hackly weathering, obscurely bedded; many carbonaceous plant fragments; some leaf impressions in part; includes at 2.3 ft. above base a 1.6-ft. zone consisting mostly of medium-gray partly friable very fineto
Coal, Capps bed (middle bench), blocky, cliff-forming;. not examined in detail but generally appears morepure than upper bench.
Sandstone, not examined or sampled; lower contact sharp  10.
Siltstone, mediumgray, obscurely bedded, very clayey; carbonaceous plant fragments; scattered ironstone nodules near middle; upper half includes beds of very fine grained sandstone as much as 1.2 ft. thick  13.
Covered, interval  6.5
Sandstone, mediumgray, obscurely bedded, soft, friable, very fine to mediumgrained, subangular, silty  4.4
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; scattered carbonaceous plant fragments; upper half includes 2 beds, each about 0.2 ft. thick, of very fine grained clayey sandstone; at 0.2 ft. below top a thin bed (less than 0.2 ft. t
Sandstone, mediumgray, probably partly laminated to platy bedded, very fine grained, subangular, silty, clayey; poorly observed  3.0
Covered, interval  2.0
Sandstone, mediumgray, obscurely bedded, friable, fine grained, subangular, silty, clayey  2.7
Siltstone, mediumgray, obscurely bedded, very clayey; some carbonaceous plant fragments; includes 0.2ft. bed of carbonaceous siltstone about 1.5 ft. below top  4.8
Sandstone, mediumgray, very fine grained, clayey  2.0
Covered, interval  6.0
Sandstone, mediumgray, probably laminated to platybedded, very fine grained, subangular, silty, clayey; lower contact sharp; poorly observed 3.5
Siltstone, mediumgray, obscurely bedded, clayey; some carbonaceous plant fragments; lower contact probably gradational 3.5
Siltstone, mediumgray, hard, tough, not limy, clayey; upper 1ft. concretionary and ironstained with abundant plant fragments; poorly exposed.
Coal, bony; includes near middle a 0.2ft. parting of mediumbrown pyroclastic(?) siltstone with abundant carbonaceous laminations.
Siltstone, and interbedded shale; siltstone, medium gray, partly ironstained, slabby to uneven weathering, obscurely bedded. clayey; no plant fragments seen; includes a 0.5 ft. bed of medium gray ironstained firegrained subangular sandstone about 4.5 ft.
Coal, bony; includes black to darkbrownish gray Carbonaceous shale; upper 0.3 ft. mainly carbonaceous shale.
Siltstone, and interbedded sandstone; siltstone, medium gray, ironstain, clayey; abundant plant fragments; becomes sandy above lower 1 ft.; includes limy concretions up to 1 ft. thick; a 1.5ft. mediumgray fine grained sandstone bed 5.6 ft. above base; lo
Shale, darkgray, fissile, carbonaceous.
Claystone, grayish-black (N2), carbonaceous, firm, rooted and shale, carbonaceous, dark-gray (N 3) to black (N1), fissile and firm, intercalated.
Coal, black, Bright, hard, Platy, becomes bony toward basal portion.
Claystone, sandy, light-olive-gray (5Y6/1) with black (N1) coaly inclusions and local dark-yellowish-orange (10YR6/6) weather banding, firm,
Shale, carbonaeous, grayish-black (N2), fissile, Weathered and soft.
Coal, black, very hard, breaks conchoidal fracture, Possibly cannel coal.
Shale, carbonaceous, medium-dark-gray (N 4) to black (N1), fissile, firm.
Claystone, light-olive-gray (5Y6/1), with disseminated black organic matter, rooted, hematite-stained, soft.
Claystone, light-olive-gray (5Y6/1) with medium-dark gray (N 4) coaly inclusions and local dark-yellowish orange (10YR6/6) mottling, slightly sandy, breaks with conchoidal fracture.
Claystone, medium-olive-gray (5Y5/1) with black (N1) coaly inclusions and local dark-yellowish-orange (10YR6/6) mottling, firm.
Coal, black, dull, hard, platy, bony.
Claystone, olive-gray (5Y4/1) with dark-gray (N3) coaly inclusions, slightly sandy, firm, locally limonite-stained.
Covered interval for 30 ft down to creek level.
Merritt RI 90-1 Site SR1
Surficial cover; light-brown sandy loam.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site SR1 Merritt 90-1.pdf
Sand, light-yellow to brownish-yellow, medium-grained, loose, soft, weathered with iron-oxide staining.
Claystone, medium-olive gray (5Y5/1), slightly carbonaceous, firm, breaks with conchoidal fracture.
Coal, black, dull, thinly plated, bony.
Shale, carbonaceous, dark-gray (N 3) to grayish-black (N2), fissile, highly weathered, soft.
Claystone, sandy, light-olive-gray (5Y6/1) with olive gray (5Y4/1) streaks, carbonaceous, firm.
Sand, yellow to orange, medium-grained, highly weathered with iron-oxide staining, disseminated black organic matter, micaceous, loose.
Claystone, sandy, dark-gray, carbonaceous, soft-firm.
Merritt RI 90-1 Site TR1
Claystone, medium-olive-gray (5Y5/1), abundant limonite and hematite staining, weathers to yellow and orange shingles and conchoidal blocks, soft.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site TR1 Merritt 90-1.pdf
Coal, brownish-black, dull, woody, ashy, locally slightly contorted.
Claystone, Seat Rock, light-olive-gray (5Y6/1) with local light-brown (5YR5/6) mottling and staining.
Merritt RI 90-1 Site WC1
Sandstone, light-olive-gray (5Y6/l) speckled ("salt and pepper") with white (N9) and medium-light-gray (N6), coarse-grained, angular to sub angular grains, friable, soft-firm.
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/Site WC1 Merritt 90-1.pdf
Claystone, sandy, medium-light-gray (N6) streaked medium-dark-gray (N 4), soft, breaks in blocks, abundant limonite stains along surfaces and joints.
Claystone, grayish-black (N2) with olive-gray (5Y4/1) streaks, carbonaceous, soft, and shale, carbonaceous, black (N1), fissile, soft.
Coal, black, predominantly bright, hard, blocky, basal 3 ft highly weathered and limonite-stained.
Claystone, Seat Rock, medium-gray (N5) with abundant dark-yellowish-orange (10YR6/6) staining, soft.
Sandstone, light-gray (N7) with dark-yellowish-orange (10YR6//) mottles, coarse-grained, locally clayey and slightly carbonaceous, "salt and pepper."
Claystone, olive-gray (5Y4/1), soft to firm, breaks in blocky masses, abundant iron-rich (limonite rim, hema¡tite core) septarian nodules.
Claystone, brownish-gray (5YR4/1) with grayish-black (N2) streaks and inclusions, soft.
Claystone, very sandy, light-olive-gray (5Y6/1), soft, locally with abundant iron-oxide staining; interbanded with sand lenses, light-gray (N7), medium-grained, micaceous, friable, soft.
Sandstone, light-olive-gray (5Y6/1) streaked olive-gray, medium-grained, friable, soft, abundant limonite staining; thin (approximately 1 in. thick) interbands of claystone, medium gray (N5), silty, soft, toward top.
Claystone, light-gray (N7), breaks with blocky, conchoidal fracture, abundant iron-oxide staining.
Coal, black, dull, hard, blocky, locally weathered with abundant limonite staining.
Claystone, light-olive-gray (5Y6/1), silty, soft.
Tuff(?)
Tuff(?), lenticular, not examined---Lower part of exposed rocks not examined34about 41.about 0-3.
Conglomerate, brown, pebble; abundant cobbles and granules;moderate-yellow-brown-weathering friable poorly sorted coarse-grained subangular very silty clayey tuffaceous sandstone matrix; includes beds and lenses, as much as 0.5 ft. thick, of cross-bedded
Sandstone, medium-brown, obscurely bedded, friable, poorlysorted, coarse-grained, subangular, very silty, clayey, tuffaceous(?); becomes somewhat finer grained to ward top; few large carbonaceous wood fragments parallel to bedding; lower contact sharp
Sandstone, light-olive-gray, laminated to platy-bedded, mostly fine-grained, partly very fine grained, very silty, clayey; some carbonaceous laminae; includes 4beds of friable sandstone as much as 0.4 ft. thick; lower contact fairly sharp
Sandstone, brown-weathering, iron-stained, partly irregularlaminated, even textured, very fine grained, silty; lower contact sharp
Sandstone, medium-brown, iron-stained, friable, poorlysorted, coarse-grained, subangular) very silty' lower 3 ft. mostly very coarse gralned; includes beds of pebble conglomerate at base (0.2 ft.) and at 4 ft. above base (0.5 ft.); latter bed includes on
Conglomerate, brown, pebble; abundant cobbles and granules; pale-yellowish-brown-weathering poorly sorted coarse to very coarse grained subangular very silty sandstone matrix; includes lenses and thin beds of very coarse grained sandstone similar to matr
Sandstone, light-brown-weathering, obscure platy- to thinbedded, probably cross-bedded, poorly sorted, coarse to very coarse grained, very silty, tuffaceous; scattered granules; one cobble of olive-gray hackly fracturing soft Tertiary(?) siltstone near t
Sandstone, medium-light-gray, brownish-gray-weathering(lower part), soft and friable (upper part), even textured, very fine grained, silty; includes at base 0.1l-ft. lenticular bed of dark-gray carbonaceous siltstone with coal stringers; lower contact sh
Siltstone, olive-gray, hackly-weathering, obscurely bedded, clayey; iron-stained and few carbonaceous plant fragments in upper 0.4 ft. (14P-9)*; lower contact gradational.
Sandstone, yellowish-gray, obscurely bedded, mostly friable, poorly sorted, coarse-9rained (base) grading upward to very fine grained (top), subangular, very silty, clayey, tuffaceous(?); grayish-orange-weathering silt and clay; many pebbles at base; inc
Bentonite, grayish-yellow to grayish-orange; includes a cobble of medium-gray pre-Tertiary(?) meta-sandstone; lower contact sharp
Tuff, olive-gray to pale-greenish-gray, obscurely bedded, soft, silty, sandy, clayey; probably includes much intermixedbentonite, especially in lower two-thirds; many very coal lenses and -s i zed cl as ts of devitrified pumice; large carbonaceous wood f
Sands tone, medium-brownsh-gray, light-brownish -gray weathering, obscure platy-bedded, mostly friable, poorly sorted, coarse-grained, subangular, very silty, clayey, tuffaceous(?); abundant dark-gray rock fragments; some very coarse grains of devitrifie
Conglomerate and some interbedded sandstone and siltstone; cliff-forming; conglomerate, brown- to yellowish-brownweathering, mostly hard, indurated; tabular and subtabular granules and small pebbles of grayish-orange devitrified fibrous tuff in poorly so
Sandstone, medium-gray, obscure platy- to thin-bedded, mostly friable, coarse-grained, subangular, very silty, clayey, tuffaceous(?); abundant black rock fragments; medium grained in 2-ft. zone near middle; lower contact fairly sharp.
Sandstone, olive-gray, friable, fine-grained, subangular, partly clayey, very silty, tuffaceous(?); abundant light-yellowish-brown tuff clasts of coarse sand to pebble size; includes near middle a O.3-ft, lense of grayish-orange ash tuff with scattered c
Sandstone, medium-gray, light-brownish-gray-weathering, poorslabby-weathering, obscurely bedded, mostly friable, poorly sorted, coarse-grained, subangular, very silty, tuffaceous; abundant very coarse grains; scattered granules and pebbles; includes at b
Sandstone, grayish-green, olive-green (upper two-thirds), poor slabby-weathering, obscurely bedded, friable, medium- to coarse-grained, subangular; much grayish green silty clay matrix; abundant dark-gray rock fragments; several courses of abundant pebbl
Conglomerate, medium-brown, obscurely bedded, pebble; grayish-orange friable poorly sorted medium-grained very silty tuffaceous sandstone matrix; few small cobbles; lower contact sharp.
Sandstone, light-olive-gray, obscurely bedded, mostlyfriable, coarse-grained, subangular, very silty; devitrified tuff fragments; includes 0.1-ft. bed of granule to pebble conglomerate at top; lower contact fairly sharp
Sandstone, olive-gray, orange-gray-weathering, poor blockyweathering, irregular laminated to platy-bedded, mostly hard, coarse-grained (base) grading upward to fine grained (top), subangular, clayey, very silty, tuffaceous; many coaly stringers and fragm
Shale (14P-25)*, olive-gray-weathering, obscurely bedded, very silty, tuffaceous(?); many carbonaceous plant fragments; lower contact fairly sharp
Conglomerate, manganese oxide(?) stained, pebble and cobble; light-olive-gray to yellowish-gray friable poorly. sorted fine- to coarse-grained subangular very silty tuffaceous sandstone matrix with common dark-gray rock fragments; scattered boulders at b
Sandstone, medium-light-gray to yellvwish-brown, iron stained, obscurely bedded, fine-grained (lower half) to very fine grained, clayey, very silty, tuffaceous; many yellowish-gray devitrified tuff fragments; includes at about 0.5 ft. below top a 0.3-ft.
Siltstone and bentonite; siltstone, medium-light-gray to olive-gray, obscurely bedded, very clayey, bentoniti c; few carbonaceous plant fragments; bentonite, light-bluish-gray, silty; unit includes near middle a 0.2-ft. bed of medium-light-gray very fine
Sandstone, grayish-orange, obscurely bedded, friable, medium- to coarse-grained, subangular, very silty, tuffaceous; includes at base 1.2-ft. bed of pebble cobble conglomerate and similar bed 0.7 ft. thick about 1 ft. below top; many granules in upper0.5
Sandstone, light-gray, mostly obscurely bedded, poor laminated to platy-bedded (lower 1 ft.), hard, very fine grained, very silty, tuffaceous(?); some fine- to medium-grained lenses in basal 0.2 ft.; abundant carbonaceous plant fragments, randomly orient
Siltstone, olive-gray, Obscurely bedded; some small yellowish-gray tuff pebbles in upper 0.2 ft.; few carbonaceous plant fragments; lower contact sharp
Siltstone, yellowish-gray, chunky- to poor platy-weathering , poor platy-bedded, tuffaceous; sandy in upper part; includes many courses, as much as 0.4 ft. thick of devitrified tuff granules and small pebbles; locally poor cliff former; lower contact pro
Sandstone, yellowish-gray, fine grained, very silty, clayey, tuffaceous; many devitrified tuff grains mostly of very coarse sand size; lower contact gradational
Sandstone, olive-gray, partly platy- to very thin bedded, partly friable, medium- to coarse-grained, subrounded to subangular, very silty, clayey, tuffaceous(?);many dark-gray rock fragments in part; includes at 5ft. above base a 0.2-ft. lenticular bed o
Conglomerate, as above; cliff former; lower contact sharp.
Conglomerate and interbedded sandstone; conglomerate, brownish-gray, pebble and cobble; brownish-gray poorly sorted medium- to coarse-grained subangular granular very silty tuffaceous sandstone matrix with some encrusting zeolite cement; black iridescent
Sandstone, light-brownish-gray, partly laminated to platybedded, fairly hard, tight, fine- to medium-grained, silty, tuffaceous; includes small devitrified pumice fragments; lower contact sharp
Siltstone (14P-36)*, brownish-gray, hackly-weathering, obscurely bedded, sandy, probably tuffaceous; few small carbonaceous plant fragments; lower contact sharp
Sandstone and interbedded siltstone; sandstone, mediumbrown, yellowish-brown-weathering, obscurely bedded, medium- to coarse-grained, subangular, very silty, tuffaceous; some granules; includes devitrified pumice fragments; siltstone, medium-brown, yello
Sandstone, medium-brown-weathering, locally cliff- or ledge forming, partly slabby-weathering, obscurely bedded, poorly indurated, poorly sorted, coarse- to very coarse grained, clayey, very silty to tuffaceous; mostly dark gray rock fragments; few round
Sandstone, light-alive-gray to light-olive-brown (greenish color due to moderate-olive interstitial clay and silt), poor platy- to hackly-weathering (lower half), friable(upper half), medium-grained, subangular, clayey, very silty; abundant dark-gray roc
Siltstone, olive-gray, hackly-weathering, very clayey, tuffaceous(?), sandy; many dark-gray sand grains; lower contact sharp
Sandstone, olive-gray, obscurely bedded, friable, coarse to very coarse grained, very silty; includes in upper8 ft. abundant granules and small pebbles of devitrified tuff and pumice; abundant black rock fragment granules; lower contact sharp
Conglomerate, light-olive-gray to greenish-gray, iron stained (basal part), pebble and cobble; greenish gray friable poorly sorted medium- to coarse-grained subangular clayey very si lty sandstone matrix with many dark rock fragment granules; locally inc
Sandstone, olive-gray to greenish-gray, poor platy-weathering and hard (upper half), obscurely bedded, friable(lower half), very fine grained, clayey, very silty; includes at base 0.5-ft. bed of hackly-weathering sandy tuffaceous siltstone; at 0.9 ft. ab
Tuff, light-brown, hackly-weathering, obscurely bedded, soft, sandy, ash; lower contact sharp
Sandstone, medium-gray to olive-gray, hack ly-weathering(lower 1.3 ft.), obscurely bedded, 50ft and friable upper 0.6 ft.), very fine grained, subangular, clayey, very silty; lower contact fairly sharp
Volcanic ash, 1ight-brownish-ye1low, soft
Sandstone, medium-light-gray to light-olive-gray, hard, medium-grained grading to very fine grained (upper1 ft.), subangular, clayey, very silty; scattered granules in lower part; carbonaceous films in upper1 ft.
Tuff, medium-gray, brownish-yellow, and brownish-gray, soft, plastic, very thin bedded, sandy; includes carbonaceous shale stringers and several coal stringers as much as 0.05 ft. thick; lower contact sharp
Sandstone, medium-gray, iron-stained, friable, medium- to coarse-grained, clayey, very silty, tuffaceous; numerous very coarse grains
Siltstone (14P-SO -- lower 3 ft.)*, light-olive-gray too live-gray, hackly-weathering, obscurely bedded, sandy, very tuffaceous; carbonaceous plant fragments abundant in part; includes at base 0.7-ft. bed of medium-gray very fine to fine-grained silty cl
Conglomerate, pebble and cobble (lower half) to mainly pebble; pale-ye11owish-brown partly iron-stained friable poorly sorted fine- to very coarse grainedsubangu1ar clayey granular very silty sandstone matrix color principally the result of abundant ligh
Sandstone, light-olive-gray, obscure platy-bedded, mostly very fine grained, partly fine-grained (in upper 1ft.), very silty, clayey; scattered very coarse sand grains; numerous carbonaceous plant fragments on bedding; pinches out laterally
Conglomerate, pebble and cobble; light-olive-gray friable medium- to coarse-grained subangu1ar granular clayey silty sandstone matrix; lower contact sharp
Sandstone, olive-gray to medium-gray, partly 1ight-ye110wishbrown, hack1y-weathering (upper part), friable (lower half), poorly sorted, medium- to very coarse grained lower third), mostly fine- to medium-grained (remainder); very clayey in upper part; lo
Conglomerate, pebble and cobble; medium-greenish-gray friable poorly sorted medium- to coarse-grained subangu1ar clayey silty sandstone matrix; includes at 6 ft. above base 1-ft. bed or 1ense of medium-gray partly iron-stained friable medium- to coarse-g
Tuff and interlensing sandstone and siltstone; tuff, 1ightyellowish-gray to 1ight-yellwish-brown, mostly platy weathering, ash, silty, sandy, some pumice lapilli; sandstone., olive-gray, friable, medium- to coarse grained, tuffaceous; forms lenses as muc
Sandstone, 1ight-01ive-gray, obscurely bedded, friable', poorly sorted, coarse-grained (lower part) grading upward to fine- to medium-grained (upper 2 ft.), subangu1ar, granular, silty, very clayey; many very coarse grains and some granules in lower part
Conglomerate, pebble and cobble; light-olive-brown friable poorly sorted medium- to coarse-grained subangular clayey granular silty sandstone matrix; poorly exposed; lower contact sharp.
Conglomerate and some interbedded sandstone; conglomerate, , similar to above; much light- to medium-light-gray friable poorly sorted medium- to coarse-grained subangular granular clayey silty sandstone matrix; sandstone, light- to medium-gray, friable,
Conglomerate, pebble and cobble; light-gray friable poorly sorted medium- to coarse-grained subangular granular clayey silty sandstone matrix; poorly exposed; lower contact sharp.
Sandstone, dusky-yellow, iron-stained, friable, fine- to medium-grained, subangular, clayey, very silty; becomes finer upward; probably lenticular; lower contact sharp
Volcanic ash, light-brownish-gray, hackly-weathering; scattered sand grains and small pebbles; locally cutout by overlying unit; lower contact sharp-1.Conglomerate, probably medium-light-gray, mostly iron stained, pebble; few cobbles; friable medium-ligh
Conglomerate and interbedded sandstone; conglomerate, medium light-gray-weathering, partly iron-stained, pebble; some cobbles; forms beds as much as 5 ft. thick; sandstone, moderate-olive-brown, mostly obscurely bedded, partly cross-bedded, friable, medi
Siltstone, olive-gray, hackly- to poor conchoidal-weathering, very finely sandy, very clayey; includes in middle, a 0.5-ft. bed of light-olive-gray friable medium-grained silty sandstone with grayish-green interstitial clay; possibly tuffaceous; lower co
Sandstone, olive-gray, friable, poorly sorted, medium grained, partly coarse-grained, partly conglomeratic (pebble and granule), subangular, very clayey, very silty; much grayish-green interstitial clay; includes2 beds of pebble conglomerate, each about
Sandstone, light- to medium-olive-gray, friable (lower part), medium-grained grading upward to very fine to fine-grained, subangular, clayey, very silty; upper 1ft. grades to hackly-weathering locally ledge-forming siltstone; includes at top 0.05-ft. bed
Siltstone, medium-dark-gray, obscurely bedded, soft, clayey; abundant carbonaceous plant fragments in part; poorly observed.
Coal, and interbedded dark-gray to black carbonaceous shale; deeply weathered; thickest coal (0.5 ft.) in lower part .
Shale, medium-dark-gray, obscurely bedded, soft, clayey; abundant carbonaceous plant fragments; few very thin coal stringers; includes 0.2-ft. bed of dark-gray to black carbonaceous shale at base.
Coal, Capps bed (lower bench), fairly blocky, cliff forming; includes at 1.5 ft. above base a 0.7-ft .bed of dark-gray very carbonaceous shale and medium gray shale; at 2.9 ft. above base a 0.5-ft. bed of medium-gray shale; at 5.9 ft. above base 0.4-ft.
Siltstone, (15P-43 -- upper one-third)*, medium-dark-gray, hackly-weathering, obscurely bedded, sandy to clayey; abundant carbonaceous plant fragments; includes 0.8-ft. bed of medium-gray very fine grained very silty sandstone near middle; lower contact
Coal, platy-weathering
Siltstone, medium-gray, partly iron-stained, hackly-weatherlng, obscurely bedded, clayey to finely sandy; carbonaceous plant fragments; includes in lower-middle part about 0.3-ft. bed of platy-weathering coal and interbedded carbonaceous shale; bed of me
Sandstone, medium-gray, soft, friable, very fine grained, subangular, silty; carbonaceous stringers and films.
Siltstone, medium-gray, partly iron-stained, hackly-weathering, obscurely bedded; scattered fine angular sand grains in lower 1.5 ft.; abundant carbonaceous plant fragments and leaf impressions in part; includes thin zones of interbedded carbonaceous sha
Sandstone, medium-gray, partly iron-stained, obscurelybedded, partly friable, very fine to fine-grained, subangular, silty, clayey; forms beds about 1.5 ft.thick; includes medium-dark-gray obscurely bedded siltstone in several beds as much as 0.5 ft. thi
Siltstone, medium- to medium-dark-gray, iron-stained, hackly-weathering, obscurely bedded, very clayey inpart; ironstone nodules as much as 0.1 ft. thick; leaf impressions at top; lower contact sharp.
Siltstone, medium-gray, hackly-weathering, obscurelybedded, very clayey in part; scattered fine angulars and grains; abundant carbonaceous plant fragments in part; includes at top O.l-ft. bed of platy weathering soft siltstone with abundant plant fragmen
Coal, blocky; lower contact sharp
Siltstone, medium- to medium-dark-gray, hackly-weathering, obscurely bedded, soft, sandy to very clayey; abundant plant fragments in part; several coaly lenses as much as 0.1 ft. thick; bed of brownish gray siltstone (15P-37)* about 0.5 ft. thick at top
Siltstone, medium-gray, hackly-weathering, obscurely bedded, clayey to very sandy; soft, friable, and micaceous (muscovite) in basal 0.3 ft. and upper 1 ft; lower contact sharp.
Sandstone, light-gray, massive-weathering, obscurely bedded, friable, moderately sorted, medium-grained (base) grading upward to fine-grained (about 12 ft. above base), subrounded to subangular; common black rock fragments; generally small amount of matr
Siltstone, medium- to medium-dark-gray, partly poor hacklyweathering, partly laminated to platy-bedded, mostly very cl ayey; many carbonaceous plant fragments and partings; includes some platy-weathering carbonaceous siltstone.
Siltstone, greenish-gray, hackly-weathering, obscurelybedded, clayey; abundant carbonaceous plant fragments and leaf impressions; includes a few beds of friable very fine grained silty sandstone as much as1 ft. thick; l-ft. bed of fine-grained sandstone
Sandstone, medium-gray , poor slabby-weathering and cliff forming, partly platy-weathering (upper 7 ft.), obscurely bedded, probably cross-bedded, friable, moderately sorted, medium-grained (lower part) grading upward to fine-grained (5 ft. above base) a
Siltstone, medium-gray, hackly- to poor platy-weathering;upper half partly medium-dark-gray and very carbonaceous; abundant carbonaceous plant fragments and leaf impressions in part; many films and lenses of impure coal as much as 0.2 ft. thick in upper
Coal, blocky, platy-weathering.
Siltstone, medium-gray, poor hackly-weathering, obscurely bedded, sandy; abundant carbonaceous plant fragments and leaf impressions in part; forms beds as much as 3.5 ft. thick; includes interbeds of medium-gray friable very fine grained very silty sands
Sandstone, medium-gray to brownish-gray, iron-stained, poor cliff-forming, mostly obscurely bedded, partly platy-bedded and cross-bedded, fri abl e, modera telysorted, medium-grained, subangular, silty; many coarse grains in part; many dark-gray rock fra
Sandstone, medium-gray, partly iron-stained, mostly poorhackly-weathering, laminated, partly friable, very fine grained, silty, partly very silty and clayeywith many carbonaceous partings; locally cut out by overlying unit.
Covered interval.
Siltstone, in accessable.
Coal, inaccessable, blocky; probably. includes a parting about 0.3 ft. thick about 0.5 ft. above base.
Siltstone, inaccessable (described from below, using binoculars), mostly medium-gray, hackly-weathering; includes about 25 percent platy-weathering carbonaceoussiltstone, shale, and coal lenses (about 0.2 ft. thick) in zones about 1 ft. thick.
Sandstone, inaccessable, massive, cliff-forming; appears homogeneous; lower contact locally disconformable channel base that extends downward into underlying cliff-forming sandstone.
Siltstone, or very fine grained sandstone, inaccessable; forms slight reentrant in cliff face; locally cutout by overlying unit.
Sandstone, mostly inaccessable (lower 8 ft. sampled), medium-light-gray, cliff-forming, slabby-weathering, platy- to thin-bedded, cross-bedded, friable in part, very fine to medium-grained, subangular, very silty; scattered grains of light-gray tuff(?);
Shale, dark-gray to black, very carbonaceous, very clayey; many coal stringers; lower contact fairly sharp
Siltstone, medium-gray, obscurely bedded; some randomly oriented carbonaceous plant fragments; lower contact fairly sharp.
Shale, medium- to medium-dark-gray, obscurely bedded, very clayey; abundant carbonaceous plant fragments
Coal, probably blocky (dug out); lower contact sharp
Shale, (lSP-28)*, brownish-gray, obscurely bedded, silty; abundant carbonaceous plant fragments
Covered interval,
Sandstone, medium-gray, deeply iron-stained (about 1.Sft. below top), mostly slabby-weathering, mostly laminated to platy-bedded, partly friable, very finegrained, very silty, mostly clayey; includes 3 beds of medium-dark-gray clayey siltstone 0.3-0.6 ft
Siltstone, and interbedded sandstone; medium-dark-gray togreenish-gray, hackly- to poor slabby-weathering, obscurely bedded, clayey; siltstone, some carbonaceous plaht fragments, clayey, sandy in part; forms beds about 2-3 ft. thick; sandstone, very fine
Sandstone, medium-light-gray, partly laminated to platybedded, very fine grained, very silty, clayey; includes some siltstone similar to above; top marked by 0.3-ft. bed of medium-dark-gray fissile-bedded shale with abundant carbonaceous plant fragments
Siltstone, medium-gray, slightly iron-stained in part, hackly-weathering, obscurely bedded, mostly very clayey; abundant carbonaceous plant fragments in part; many leaf impressions at about 2 ft. above base; lower contact fairly sharp.
Shale, dark-gray to black, very carbonaceous, clayey; varies to bone coal; abundant thin coal stringers
Shale, dark-brownish-gray, iron-stained in part, blocky weathering; abundant coal stringers; lower contact sharp
Siltstone, medium- to medium-dark-gray, hackly-weathering(upper half), poor irregular platy-bedded (lowerhalf), sandy and carbonaceous (lower half), clayey in part; abundant carbonaceous plant fragments; thin bone-coal partings; lower contact fairly shar
Sandstone, medium-gray, poor slabby-weathering, obscurely. bedded, partly friable, very fine grained, subangular, silty, clayey; includes in lower-middle part a 0.2-ft.bed of medium-dark-gray sandy carbonaceous siltstone with abundant plant fragments; at
Siltstone, medium-dark-gray, poor irregular platy-bedded, clayey, carbonaceous; abundant plant fragments and leaf impressions in lower part; thin bone-coal partings; lower contact fairly sharp.
Sandstone, medium-gray, probably poor slabby-weathering, obscurely bedded, friable, very fine grained, subangular, very silty, clayey; includes at base 0.8-ft. bed of medi um-dark-gray irregular platy-bedded partly sandy carbonaceous siltstone (15P-l6 --
Sandstone, medium-gray, obscurely bedded, friable, very fine to fine-grained, silty, clayey; includes in middle 0.8-ft. bed of medium-dark-gray very fine grained silty clayey carbonaceous sandstone with abundant leaf impressions; lower contact sharp
Siltstone, medium- to medium-dark-gray, mostly obscurely bedded, mostly very sandy; many carbonaceous plant fragments and leaf impressions in lower 3 ft. and upper 1 ft.; few i ron- ri ch 1 enses as much as 0.3ft. thick at 3-4.5 ft. above base; includes
Siltstone, medium- to medium-dark-gray, hackly- to poorplaty-weathering, partly laminated, clayey; abundant carbonaceous plant fragments and leaf impressions in lower 2.5 ft.; scattered ironstone nodules 0.2 ft. thick at 1.2 ft. above base; includes at 3
Sandstone, medium-gray, partly iron-stained, hackly- topoor slabby-weathering, mostly friable, obscure platy- to very thin bedded, partly laminated, veryfine grained, subangular, very silty, clayey; includes at base 0.4-ft. bed of medium-gray siltstonewi
Coal, mostly bright and blocky; many fragments of anterin basal 0.1 ft.
Shale, brownish-gray, obscurely bedded, mostly clayey; scattered sand grains (quartz, feldspar, and very light gray ash tuff); many carbonaceous plant fragments; lower contact gradational
Siltstone, olive-gray, obscurely bedded, finely to medium sandy; scattered grains of very light gray ash tuff; some large randomly oriented coalified wood fragments; upper 0.6 ft. becomes olive-gray fine- to coarse-grained silty very clayey sandstone; lo
Sandstone, medium-light-gray, friable, poorly sorted, fine- to medium-grained, subangular, very silty, clayey; includes 3 carbonaceous siltstone stringers; lower contact sharp
Siltstone, mostly olive-gray, brownish-gray (lower 0.5ft.), medium-dark-gray (upper 0.5 ft.), hackly weathering, obscurely bedded, mostly clayey; carbonaceous plant fragments scattered in lower half and abundant in upper half; unit absent laterally (prob
Coal, mostly blocky, bright; locally overlain by sandstone
Shale, medium-gray to brownish-gray, obscurely bedded, clayey, partly sandy; abundant carbonaceous plant fragments
Coal,  lower contact sharp
Sandstone, medium-gray to light-0live-gray, slabby weathering, obscurely bedded, partly friable, poorly sorted, medium- to coarse-grained (basal 0.1-0.5 ft.) becoming finer grained upward, very silty, clayey; scattered grains of light-gray ash tuff; many
Shale, dark-gray to black, carbonaceous, very silty, partly sandy; many plant fragments; upper 0.1ft. includes irregular lenses and pods of brownish gray sandy siltstone with abundant light-gray ash tuff grains
Coal, mostly bright and blocky; includes few bone-coal or black carbonaceous shale partings less than 0.1 ft. thick; lower contact sharp
Sandstone, 1ight-01ive-gray, slabby-weathering, obscurely. bedded, mostly fine- to medium-grained, very silty, very clayey; many carbonaceous laminations in lower0.3 ft.; many carbonaceous plant fragments; some coalified wood fragments; lower part includ
Siltstone, mediumgray, obscurely bedded; slickensides in upper 0.5 ft.; carbonaceous laminations in part; carbonaceous plant fragments abundant in part; lower contact sharp 5.5
Sandstone, mediumgray, partly ironstained, obscure laminated to platybedded, crossbedded, friable; very fine to finegrained, subangular; includes at about 3 ft. above base a 1ft. bed of mediumgray siltstone that includes some ironstone nodules about 0.2
Sandstone, mediumgray to palebrown, partly iron stained, partly platyweathering (upper onethird), laminated to platybedded, crossbedded, friable, very fine grained, angular to subangular, very silty in upper onethird; few ironrich beds less than 0.2 ft.
Sandstone, light-olive-gray, slabby-weathering, mostly obscurely bedded, partly laminated to platy-bedded (in lower half), partly friable, poorly sorted, very fine to fine-grained, subangular, very silty, clayey; some carbonaceous plant fragments mostly
Sandstone, probably lenticular, light-olive-gray, obscurely bedded, friable, poorly sorted, mostly medium-grained, lower part medium- to coarse-grained, subangular, silty, clayey; many large randomly oriented coalified wood fragments in lower 1 ft.; incl
Coal, fairly bright, blocky
Siltstone, (15P-2)*, brownish-gray, hackly-weathering, obscurely bedded, sandy; abundant carbonaceous plant fragments; many large randomly oriented coalified wood fragments; includes 0.15-ft. lense of light-olive-gray friable medium- to coarse grained sa
Shale, (15P-2)*, brownish-gray to dark-gray, hackly weathering; abundant carbonaceous plant fragments; includes coal stringers and coaly shale
Coal, similar to above; includes at 0.4 ft. above base a 0.1-ft. bed of shale (15P-2)* similar to above; lower contact sharp
Siltstone, medium-gray to olive-gray, hackly-weathering, mostly obscurely bedded, some platy-bedded (about5 ft. above base), mostly clayey, lower 4 ft. mostly sandy; carbonaceous plant fragments scattered in lower half and generally abundant in upper hal
Covered interval, to creek level.
OF-75-21-Sec-16
Sandstone, medium-gray, iron-stained, locally cliff forming, platy- to very thin bedded, cross-bedded, friable, moderately sorted, fine- to medium-grained; subrounded to subangular; some coalified wood fragments; abundant black rock fragments; includes a
Coal; mostly impure in upper 1.5-2 ft.; lower contact sharp.
Siltstone, (16P-17 -- upper 1 ft.)*, medium-gray, poor platy- (lower part) to hackly-weathering, obscurely bedded, sandy, increasingly clayey upward; some carbonaceous plant fragments; includes in lower 2 ft. few beds of friable very fine grained silty m
Sandstone, and interbedded siltstone, medium-gray, beds about 1 ft. thick; sandstone, poor platy-weathering, very fine grained, subangular, very silty, partly clayey, micaceous, partly carbonaceous; siltstone, very sandy, partly clayey, few carbonaceous
Sandstone, medium-gray, slightly iron-stained (lowerhalf), very friable (upper half), moderately sorted, fine-grained, subangular to subrounded, micaceous; scattered black rock fragments; many hard clasts of sandstone in 0.3-ft. zone near middle; lower c
Sandstone, medium- to medium-dark-gray, partly iron-stained, platy-weathering, laminated to platy-bedded, moderately sorted, very fine grained, subangular, micaceous; abundant carbonaceous laminations
Sandstone, medium-gray, iron-stained (lower half), cliffforming, laminated to platy-bedded, cross-bedded(sets as much as 4 ft. thick), friable, moderately sorted, medium-grained, subangular; scattered black rock fragments; few carbonaceous wood fragments
Siltstone, medium-dark-gray, iron-stained, hackly-weathering, mostly obscurely bedded, partly clayey; abundant leaf impressions in part; lower contact sharp.
Shale and interbedded coal
Shale and interbedded coal, platy-weathering; shale, dark gray to black, poor fissile to platy-bedded, mostlyclayey, carbonaceous; coal, very impure; composed mostly of large coalified wood fragments; lower contact sharp
Siltstone, medium-dark-gray to dark-greenish-gray, partlyiron-stained, hackly-weathering, obscurely bedded, sandy and micaceous (lower part), mostly clayey; upper 2 ft. grades into claystone (16P-ll)* that contains some carbonaceous plant fragments; incl
Sandstone, medium-gray, partly iron-stained, mostly poorslabby-weathering, obscurely bedded; consists of friable very fine to fine-grained subangular silty sandstone (about 75 percent) in beds about 1 ft. thick interbedded with poor platy-weathering very
Sandstone, medium-gray, partly iron-stained, locally poor cliff-forming, partly platy- to very thin bedded, cross-bedded (more prominent in upper half), locally disrupted bedding (upper half), friable, moderatelysorted, mostly fine- to medium-grained, su
Sandstone, similar to above, much iron-stained; crossbed sets about 3'ft. thick; coarse- to very coarse grained in lower 1 ft.; many granules and small pebbles in basal 0.2 ft.; includes 0.3-ft. lenses of pebble conglomerate mostly in 10l'ier two-thirds;
Siltstone, medium-dark-gray, slightly iron-stained, hackly-weathering, obscurely bedded, mostly very finely sandy; includes 3.5-ft. bed of medium-gray soft very fine grained very silty sandstone at 9.5 ft. above base; upper 8 ft. dominantly sandstone as
Clinker, slumpy, reddish-brown; leaf impressions common in part
Coal ash
Coal ash, yellowish-orange, reddish-orange, reddish brown, light-yellowish-gray, flaky-weathering; may include burned shale partings
Coal, lower part of Chuitna bed, fairly blocky; mostly dull luster
Shale, (16P-5)*, medium-dark-gray, hackly-weathering, silty, partly clayey; abundant randomly oriented carbonaceous plant fragments; upper 0.2 ft. darkgray, clayey, and very carbonaceous.
Sandstone, light-gray to light-olive-gray, mostly obscurely bedded, partly cross-bedded (in lower 1.5ft.), very fine grained, very silty, micaceous; abundant randomly oriented carbonaceous plant fragments; includes at top 1-ft. bed of hack1yweatheringsil
Sandstone, medium-gray, obscurely bedded, friable, moderately sorted, fine-grained, subangu1ar, silty, micaceous; scattered black rock fragments; scattered medium and coarse grai ns in lower two-thirds and very fine grained in upper 0.5 ft.; large coalif
Sandstone, medium-gray to 1ight-01ive-gray, mostly obscurely bedded, partly laminated to platy-bedded(near top), fri able, very fine grained, subangu1 ar, silty; includes at base 0.5-ft. bed of medium-dark gray sandy siltstone; at about 3.5 ft. above bas
Sandstone, medium-gray to 1ight-01ive-gray, moderately sorted, very fine grained, subangular, micaceous, very clayey (lower 5 ft.); includes at top 0.3-ft. bed of dark-gray clayey carbonaceous siltstone
Siltstone, medium-dark-gray, obscurely bedded; many carbonaceous plant fragments; abundant large coalified wood fragments in upper 0.2 ft.; lower contact fairly sharp
Siltstone, medium-dark-gray, clayey, carbonaceous; many large coalified wood fragments; some very thin coal stringers; includes few beds, less than 0.1 ft. thick, of medium-gray siltstone; lower contact sharp.
Siltstone, (16P-1 -- near midd1e)* and interbedded coal stringers and lenses; platy-weathering; siltstone, partly dark-gray and carbonaceous; partly medium gray with abundant carbonaceous plant fragments; leaf impressions in part; many flattened coalifie
Coal; probably includes thin shale partings; poorly. observed; under water (Chuitna River) estimated 2.+
OF-75-21-Sec-17
Coal, Chuitna(?) bed, blocky, locally cliff-forming, locally burned; middle part includes 2 lenticular beds of brown clayey siltstone (scattered pyroclastic grains) each 0.1 ft. thick and about I ft. apart vertically; top weathered and covered by soil
Siltstone, (17P-17-upper 0.2 ft.)*, medium-gray, brownish gray(upper 0.3 ft.), hackly-weathering, obscurelybedded, soft, clayey, slightly micaceous; carbonaceous plant fragments generally scattered but abundant at top; includes at 2 ft. below top a 0.5-f
Sandstone, medium-gray, friable, very fine grained, subangularto subrounded, clayey, micaceous; lowercontact fairly sharp.
Siltstone, medium-gray, iron-stained (lower half), hacklyweathering, obscurely bedded, soft (upper half), clayey; finely sandy in lower half.
Sandstone, medium-gray, partly iron-stained, locally cliff forming, mostly obscurely bedded, some platy-bedded and cross-bedded, friable, mostly medium-grained grading upward to fine-grained (upper 3 ft.), subangular to subrounded; scattered coal fragmen
Sandstone, medium-gray, deeply iron-stained (lower 4 ft.), obscure platy-bedded, cross-bedded, friable, mostly medium-grained, partly coarse-grained (in lower 4ft.), subangular to subrounded; granules numerous in lower 4 ft. and generally abundant in upp
Covered interval, probably sandstone
Sandstone, medium-gray, partly iron-stained, chunky weathering, very fine grained, subangular to subrounded, silty, clayey, micaceous; lower half includes several beds, as much as 0.2 ft. thick, of medium-gray iron-stained hack1y- to chunky-weathering cl
Covered interval, probably siltstone and sandstone
Coal, Lower Chuitna(?) bed, locally cliff-forming, partly platy-weathering, fairly blocky; includes several partings, about 0.4 ft. thick, of interbedded carbonaceous shale and coal; upper 1.5 ft. mostly deeply weathered carbonaceous shale (poorly observ
Shale, medium-dark-gray to grayish-brown, carbonaceous, micaceous; interbedded coal; lower contact sharp
Siltstone, (17P-11-upper 1 ft.)*, medium- to medium-dark gray, partly iron-stained, obscurely bedded, soft, clayey; micaceous in lower 2.3 ft.; upper 0.2 ft. poor platy-bedded and carbonaceous; lower contact fairly sharp
Sandstone, medium-gray, obscurely bedded, friable, very fine grained, subangu1ar to subrounded, clayey, micaceous; lower contact fairly sharp
Siltstone, medium-gray, partly slightly iron-stained, poor hackly-weathering, obscurely bedded, soft, clayey, micaceous; lower contact gradational
Sandstone, medium-gray, poor platy-weathering, obscurely bedded, slightly friable, very fine grained, angular tosubangular, micaceous, slightly clayey
Covered interval, probably sandstone.
Sandstone, medium- light-gray, friable, fine- to medium-grained, partly very fine grained (several beds 0.5-1 ft. thick), subangular to subrounded, micaceous; few thin conglomeratic lenses and beds; includes large woody plant fragments; lower 6-8 f+. dee
Sandstone, medium-light-gray, slightly iron-stained, partly cross-bedded (in upper half), friable, mostly medium-grained, partly fine-grained, subrounded to subangular: includes at  about 10 fl. above base a 0.4 ft. bed of granular and small pebble congl
Coal, and interbedded shale; shale. dark-gray to black and brownish-gray soft, carbonaceous; includes at 1.6 ft. above base  a 1.2 ft. bed of shale with abundant coal stringers
Siltstone,(17P-6 -- upper 1 ft.)*, medium-gray, hackly weathering, obscurely bedded, soft, clayey, sandy in basal part; becomes more clayey upward and upper half grades into shale; carbonaceous plant fragments common in upper 1 ft.; includes ironstone no
Sandstone, medium-gray, partly iron-stained, possibly laminated to platy-bedded, very fine grained.  Subangular, clayey; abundant carbonaceous plant fragments in basal 0.2 ft. includes 0.7-ft. bed of friable fine- to medium grained subangular to subround
Siltstone, medium-gray, obscurely bedded, very clayey; scattered carbonaceous plant fragments
Siltstone, dark-gray, fissile to platy-bedded, very clayey; abundant carbonaceous plant fragments and coal films; some large coalified plant fragments
Siltstone, medium-gray, partly iron-stained, hackly-weathering, obscurely bedded, soft, very clayey; partly sandy in upper 4 ft.; abundant carbonaceous plant fragments about 1 ft. above base; includes ironstone nodules, 0.1-0.2 ft. thick, at 4.5 ft. abov
Sandstone, medium-gray, partly iron-stained, obscurely bedded, very fine grained, subangular to subrounded, mostly clayey; some friable very fine to fine grained sandstone in lower 2 ft.; upper half includes few beds, about 0.5 ft. thick, of medium-gray
Shale, medium- to medium-dark-gray, obscurely bedded, silty; includes at top 0.2-ft. bed of dark-gray to black coaly shale
Sandstone, and interbedded siltstone; sandstone, medium-gray, partly iron-stained, obscurely bedded, mostly friable, very fine to fine-grained, subangular to subrounded, silty, partly very clayey; forms beds commonly about1-2 ft. thick (one 3.5-ft. bed 2
Sandstone, medium-gray, ledge-forming, locally concretionary (bodies as much as 10 ft. long), hard, fine-grained, angular to subangular, limy; few coalified plant fragments; includes at base 0.1 -ft. bed of medium dark-gray hard limy siltstone; lower con
Sandstone, medium-gray, iron-stained, obscurely bedded, mostly friable, mostly fine-grained, partly medium grained (in lower 3 ft.), subrounded to subangular; includes in lower 14.7 ft. few beds, about 0.5 ft. thick, of medium-gray partly iron-stained la
Covered interval,; measured mostly across floodplain of river; may be thicker than indicated.
Coal,; under water (Chuitna River); equivalent to upper(?)part of coal bed (more than 20 ft. thick) at locality126 of Barnes (1966, p1s. 5, 7)
Coal, very impure; includes many very thin beds of siltstone  1.0
Unexamined interval
Unexamined interval, mostly siltstone and sandstone; includes 0.3ft. bed of carbonaceous shale 23 ft. below top  60.
Sandstone, mediumgray, laminated to platybedded (mostly upper half), very fine grained, subangular, slightly silty; some carbonaceous plant fragments; few very thin beds of mediumgrained sandstone in uppermiddle part; includes many beds, 0.10.5 ft. thick
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; carbonaceous plant fragments mostly scattered but abundant in upper 0.5 ft.; includes near middle a bed of mediumgray very fine grained sandstone about 0.5 ft. thick; few very thin beds
Sandstone, mediumgray, partly laminated to platybedded, mostly very fine grained, upper half partly fine grained, angular to subangular; few carbonaceous plant fragments; includes several mediumgray siltstone beds about 0.51 ft. thick; lower contact grad
Siltstone, mediumgray, partly laminated to platybedded, clayey; scattered carbonaceous plant fragments; includes numerous beds, about 0.10.2 ft. thick, of mediumgray very fine grained sandstone  3.2
Coal, lower contact sharp  0.1
Siltstone, mediumgray, obscurely bedded. clayey; carbonaceous plant fragments generally scattered but abundant in several beds about 0.5 ft. thick in upper 3 ft.; includes at top a 0.2ft. bed of mediumgray friable mediumgrained sandstone; base concealed
Coal, and interbedded shale. poorly observed; forms prominent overhanging ledge on steep hillsideapprox. 6.0
Sandstone, mediumgray, partly ironstained, obscure laminated to platybedded, crossbedded, friable, very fine to finegrained, subrounded, slightly clayey; becomes finer grained upward and upper half grades into mediumgray obscurely bedded siltstone with m
Sandstone, similar to above but very fine grained; upper half becomes siltstone as above; lower contact sharp  5.6
Sandstone, mediumgray, partly ironstained, obscure laminated to platybedded, crossbedded, friable, very fine to finegrained, subangular, clayey; becomes finer grained upward and upper onefourth grades into mediumgray obscurely bedded siltstone with abund
Siltstone, mediumdarkgray, obscurelybedded, partly platy bedded, clayey; includes at 2 ft. above base a zone about 4 ft. thick of mediumdarkgray platyweathering obscurely bedded fine to mediumgrained sandstone with a few interbeds of siltstone; lower con
Sandstone, mediumgray, obscurelybedded, friable, very fine to finegrained, subangular; few coarse grains at base; becomes finer grained upward, micaceous and very silty in upper most part; lower contact sharp  6.0
Siltstone, mediumgray, obscurely bedded, clayey; some carbonaceous plant fragments; includes at base 0.8ft. bed of very fine grained sandstone  4.5
Shale, (l1P28)*, mediumgray; abundant carbonaceous plant fragments 0.2
Sandstone, mediumgray, obscurely laminated, friable, very fine grained, subangular, clayey; includes at top 0.1ft. bed of darkgray carbonaceous siltstone  1.3
Sandstone, mediumgray, partly ironstained, obscure laminated to platybeaded, cf crossbedded, friable, very fine grained, subangular, very silty in upper 0.5 ft.; small carbonaceous plant fragments; includes 0.3ft. ironrich bed about 3 ft. above base  8.5
Siltstone, mediumgray, obscurely bedded, clayey; abundant small carbonaceous wood  fragments; large coalified wood fragments about 1 ft. above base; includes 1ft. bed of mediumgray friable very fine grained sandstone at 2.5 ft. above base and similar bed
Coal, platyweathering 0.15
Shale, mediumgray,  obscurely bedded; many carbonaceous plant fragments  1.2
Coal, Bed R, platyweathering; lower 2 ft. includes 4 partings, 0.050.1 ft. thick. of brownishgray siltstone; lower contact sharp  3.5
Siltstone, mediumgray, slabbyweathering, obscure platy bedded; nonbedded (?) in upper 1 ft. (l1P21)*; partly sandy, clayey; upper twothirds of unit includes some large carbonaceous wood fragments mostly at high angle to bedding; lower contact sharp 14.7
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly laminated to platybedded, mostly friable, very fine to finegrained, subangular, clayey; forms beds generally 13 ft. thick; siltstone, mediumgray, obscurely bedded, finely sandy, clayey;
Siltstone, mediumgray, platy to poor conchoidalweathering, mostly platybedded, clayey; scattered small carbonaceous plant fragments; lower contact gradational  4.0
Shale, brownishblack to black, platyweathering, laminated to platybedded, hard, Silty  1.2
Coal, impure; lower contact sharp  0.7
Sandstone, mediumgray, partly ironstained, laminated to platybedded, very fine to finegrained becoming very fine grained in upper part, subangular; many carbonaceous plant fragments and some large coalified wood fragments in upper 1 ft.; upper half inclu
Siltstone, mediumgray. laminated to platybedded, clayey; some carbonaceous plant fragments randomly oriented in part; includes near middle laminae and very thin beds of very fine grained sandstone; lower contact gradational 1.6
Siltstone, mediumdarkgray, obscurely bedded, clayey; abundant carbonaceous plant fragments; includes at 0.2 ft. above base very thin irregular lenses of lightbrown friable well sorted siltstone; lower contact sharp  0.8
Sandstone, mediumgray, partly ironstained, locally cliff forming, mostly platybedded; crossbedded, mediumgrained at base grading upward to finegrained about 4 ft. above base and very fine grained about 14 ft. above base, subangular to subrounded; many ir
Siltstone, medium to darkgray, obscurely bedded, upper1 ft. mostly sandy, clayey; carbonaceous plant fragments abundant in part, especially near top; includes about 1ft. bed of very fine grained sandstone about 1ft. below top; upper most 0.2 ft. ironrich
Sandstone, mediumgray, obscurely bedded (lower 2.3 ft.)and laminated to platybedded, crossbedded, friable, very fine grained, subangular, silty, clayey; some small carbonaceous fragments; lower 2.3 ft. partly finegrained, local ironrich zone 0.1ft. thick
Siltstone, mediumgray, hackly to chunkyweathering, mostly platybedded, partly laminated lower 1 ft.); clayey, carbonaceous plant fragments abundant in lower 1 ft. and about 9 ft. above base; several courses of scattered ironstones as much as 0.2 ft. thic
Shale, (11P13)*, medium to mediumdarkgray, conchoidalweathering (upper half) poor fissile to platybedded; few ironstone nodules about 0.3 ft. thick in upper half; abundant carbonaceous plant fragments; abundant large coalified plat fragments in middle an
Coal, Bed Q,. fairly blocky to partly platyweathering forms high waterfall; lower contact sharp 5.5
Siltstone, mediumlight to mediumgray, partly iron stained, blocky to poor conchoidalweathering, laminated to platybedded, regular bedded, hard, clayey; carbonaceous plant fragments in upper part; includes lenticular coal beds as much as 0.3 ft. thick in
Coal, Bed Q (lower bench), blockyweathering; includes at 0.5 ft. above base a 0.1ft. bed of mediumbrown weathering carbonaceous shale with finegrained sphericles of bog iron (?); at 2 ft. above base a 0.2 ft. lenticular bed of lightgrayweathering lightbr
Siltstone, mediumgray, partly laminated, mostly obscurely bedded, finely sandy in part, clayey; carbonaceous plant fragments abundant in part; ironstone nodules 0.2 ft. thick about 5 and 10 ft. above base; 3ft. bed of friable very fine to finegrained san
Sandstone, mediumgray, partly ironstained, partly laminated, friable, finegrained at base becoming very fine grained upward, subangular; some clayey sandstone in upper part; includes 1ft. siltstone bed about 1.5 ft. below top; lower contact sharp and pro
Coal, Bed P, lower contact sharp  3.1
Siltstone, mediumgray, partly ironstained, mostly obscurely bedded, partly laminated, clayey; abundant carbonaceous plant fragments in part; few root (?) fragments in upper 0.5 ft.; includes few beds, less than 1 ft. thick, of friable very fine to finegr
Sandstone, mediumgray, friable, very fine to fine grained, subangular, silty; some small  carbonaceous plant fragments; lower contact fairly sharp  3.0
Siltstone, mediumgray, mostly obscurely bedded, some laminated to platybedded, clayey; abundant carbonaceous plant fragments in part; few coalified wood fragments randomly oriented in part; upper part includes few beds, less than 1 ft. thick, of laminate
Sandstone, mediumgray to grayishbrown, partly iron stained, laminated to platybedded (upper half), friable (lower half), very fine grained, subangular, silty, clayey; includes interbedded mediumgray siltstone in upper 2 ft.; lower contact sharp 7.1
Siltstone, mediumgray, obscurely bedded, partly very finely sandy, clayey in upper 0.5 ft.; carbonaceous plant fragments in part; lower contact sharp  6.0
Sandstone, mediumgray, ironstained, laminated to platy bedded, crossbedded, soft, friable, finegrained (lower 3 ft.) becoming very fine to finegrained in remainder, subangular; lower contact sharp and probably disconformable 16.3
Siltstone, and interbedded sandstone; similar to interbedded; unit below; siltstone beds commonly 23 ft. thick and sandstone beds about 12 ft. thick; abundant coal films; includes ironstone nodules about 0.2 ft. thick near base of unit and about 3.55 ft.
Siltstone, and interbedded sandstone; similar to interbedded unit below; siltstone beds about 45 ft. thick and sandstone beds about 13 ft. thick 26.5
Siltstone, and interbedded sandstone (subequal amounts in beds commonly about 3 ft. thick); siltstone, mediumgray, poor slabbyweathering, obscurely bedded, clayey; some carbonaceous plant fragments; sandstone, mediumgray, partly ironstained, slabbyweathe
Sandstone, mediumgray, ironstained, locally poor cliff forming, obscurely bedded, soft, friable, very fine to finegrained, subangular, clayey; becomes finer grained upward and grades into siltstone at 12. ft. above base; includes 0.5ft. bed of mediumdark
Siltstone, mediumlightgray, chunkyweathering, mostly obscurely bedded, partly irregularly laminated, clayey; some carbonaceous plant fragments; basal 1 ft. includes lenses of boney coal as much as 0.1 ft. thick; ironstone nodules 0.2 ft. thick at 0.2 ft.
Siltstone, darkgray to brownishgray, partly ironstained, poor fissile to platybedded. finely sandy, clayey, very carbonaceous; abundant carbonaceous plant and wood fragments; few bonecoal stringers 0.05 ft. thick; 0.2ft. impure coal at top; lower contact
Siltstone, mediumgray, obscurely bedded. sandy; some carbonaceous plant fragments; lower contact fairly sharp  0.6
Sandstone, mediumgray, laminated to platybedded, crossbedded, friable, very fine grained, subangular, silty at base, clayey; finely carbonaceous laminae; lower contact gradational  2.1
Shale, mediumgray, slabbyweathering, obscurely thin bedded, uneven fracturing, silty; very silty in upper part; grades at top to 0.7ft. bed of brownishgray plastic (when wet) claystone (1P41)* with many carbonaceous fragments  9.0
Claystone, mediumgray, hacklyweathering, obscurely bedded, plastic (when wet), silty 1.0
Sandstone, mediumgray, slabbyweathering, massive to thinbedded, tight, compact, soft, finegrained, subangular to angular, silty, clayey; grades upward to sandy siltstone (thin bedded in upper part); locally includes limy concretionary bodies up to 5 by 1
Coal, blocky  0.6
Siltstone, mediumbrown, platybedded, finely sandy; may be pyroclastic; abundant carbonaceous material and plant fragments  0.7
Coal, blocky; some impure bony beds in basal part  1.7
Claystone, (1P35)*, mediumgray, hackly to unevenweathering, obscurely bedded, silty; small carbonaceous fragments; includes 0.2ft. bony coal bed near middle  1.4
Coal, blocky  2.0
Siltstone, mediumgray to lightgreenishgray, hackly to slabbyweathering, thinbedded, soft, tight, very clayey; upper 3 ft. includes large randomly oriented plant fragments; partly covered  20.0
Siltstone, and interbedded sandstone; siltstone, medium gray, hackly to slabbyweathering, obscurely thin bedded, tight, compact, clayey; sandstone, medium gray, hackly to slabbyweathering, obscurely thin bedded, tight, compact, finegrained; silty; unit c
Coal, blocky; few amber blebs; includes 0.2ft. brownish gray shale parting (1P32)* with many carbonaceous fragments at 0.7 ft. above base; lightbrown pyroclastic clayey sandstone with many carbonaceous plant fragments ;n several thin partings and lenses
Sandstone, mediumgray, locally lightbrownishgray, slabbyweathering, obscurely bedded. tight, fine to very fine grained, subangular, silty, clayey; includes randomly oriented thin coal stringers and fragments; lower contact sharp  2.2
Coal, blocky; blebs of amber; includes few lightbrown pyroclastic partings, up to 0.05 ft. thick, becoming more numerous in top 0.5 ft.; lower contact sharp  2.0
Shale, mediumgray, hackly to unevenweathering, massive, silty; some coalified plant fragments; locally becomes brownishgray claystone w th common plant fragments 6.0 Note: Northwest of the shale described above. a large slide area or channel fill of Plei
Siltstone, mediumgray, blockyweathering, massive, not limy, clayey; no plant fragments; top of unit inaccessible and covered by Pleistocene sediments; poorly observedestimated  10.0
Shale, mediumdarkgray, blockyweathering, massive, very silty; includes 2 black carbonaceous shale beds (locally becoming bone coal), up to 0.5 ft. thick, at top and base of unit; poorly observedestimated  6.0
OF-75-383-Sec-1B
Sandstone, mediumgray, locally very ironstained, cliff forming, very thin to thinbedded, prominently crossbedded (sets up to 3 ft. thick), very friable, fine to mediumgrained, subangular to subrounded; includes at base round pebbles and cobbles of crysta
Sec-1B
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_1b.pdf
Siltstone, mediumgray, slabbyweathering, laminated to very thin beaded, clayey; abundant carbonaceous plant fragments on bedding surfaces; includes many laminations of very fine grained sandstone; a 0.5ft. bed of mediumgray friable sandstone at 0.8 ft. b
Sandstone, mediumgray (wet), obscurely bedded, very friable ,fine grained, subangular to subrounded, silty; lower contact sharp 0.8
Shale, mediumgray to darkbrownishgray at base, iron stained, hacklyweathering, poor platybedded; few carbonaceous plant fragments; includes an 0.8ft. bed of mediumgray very thin  bedded sandstone at 3 ft. below top; this unit wedged out to the immediate
Coal, mostly blocky, poorly observed; includes near middle at least 2 shale partings about 0.3 ft. thick and 0.5 ft. apart; shale weathers medium lightgray and contains abundant carbonaceous plant fragments and leaf impressions; coal may include other r
Siltstone, mediumgray, partly ironstained, hackly to subconchoidalweathering, obscurely bedded, very clayey; abundant plant fragments; few thin coal stringers; unit wedges out in less than 50 ft.; maximum thickness about 3 ft.; lower contact gradational
Sandstone, mediumlightgray, cliffforming, platy to thinbedded, crossbedded, finegrained, subangular to subrounded, silty; includes many carbonaceous laminations in 1.5ft. zone 3 ft. above base and in upper 6 ft.; upper 3 ft. becomes very fire grained and
Shale, mediumgray, hackly to shardlikeweathering, probably platy to very thin bedded, silty; abundant plant fragments; includes siltfilled worm burrows (?)in lower  half; upper half locally limy, fairly hard, and concretionary; lower  contact sharp and s
Sandstone, mediumlightgray, partly ironstained, massive weathering, cliffforming, thin to platybedded, prominently crossbedded (sets about 1 ft. thick), friable, mostly finegrained (some medium grains), subangular to subrounded; scattered pebbles of shal
Shale, brownishgray, partly ironstained, shardlike weathering, obscurely bedded, probably thinbedded; common plant fragments; thins southeastward (about 400 yds.) to 0.8 ft.  2.5
Coal, mostly blocky; thickens southeastward (about 400yd.) to 2., ft. including 2 partings  1.2
Siltstone, brownishgray. platybedded, partly sandy, carbonaceous; few plant fragments  0.2
Sandstone, mediumlightgray, thinbedded, friable, very fine grained, subangular to subrounded; becomes very silty clayey toward top; interlaminated with siltstone similar to underlying unit in upper 1 ft.  3.0
Siltstone, mediumgray, slightly ironstained, hacklyweathering, obscurely bedded, clayey; few carbonaceous plant fragments; includes 0.5ft. bed of very fine grained sandstone in middle; lower contact sharp  4.0
Siltstone, darkgray, poor fissile to platybedded, hard, finely sandy, clayey, very carbonaceous; lower contact sharp  0.5
Siltstone, mediumgray, slabby to hacklyweathering, obscurely bedded, partly laminated, sandy in lower 3ft. and upper 5 ft., clayey; abundant carbonaceous plant fragments in part; lower contact sharp  14.
Siltstone, darkgray, laminated to platybedded, clayey, carbonaceous; many bonecoal laminae and stringers; lower contact sharp  1.1
Sandstone, mediumgray, mostly obscurely bedded, partly laminated to platybedded, slightly limy, very fine grained, subangular, partly silty; carbonaceous laminae in part; few beds of mediumgray siltstone as much as1.5 ft. thick; lower contact sharp 18.6
Coal, Bed N, blockyweathering; probably very impure in upper 0.3 ft.; includes at 2.1 ft. below top a 0.2ft. bed of weathered carbonaceous shale and siltstone; at 1.5 ft. below top a 0.15ft. bed of weathered darkgray to black carbonaceous shale and brown
Siltstone, mediumgray, obscurely bedded, clayey, sandy in upper 0.3 ft.; many carbonaceous plant fragments; lower contact sharp  1.1
Sandstone, mediumgray, laminated to platybedded (lower1.5 ft.) and obscurely bedded (upper 0.6 ft.), partly crossbedded (probably laminar type), very fine to finegrained becoming finegrained in upper 0.5 ft.) subangular; abundant carbonaceous laminae in
Siltstone, and interbedded sandstone (alternating beds commonly 12 ft. thick), slabbyweathering; siltstone, mediumgray, mostly obscurely bedded, clayey; sandstone, mediumgray, very fine grained, subangular, silty, clayey; many carbonaceous laminae and pl
Siltstone, medium to mediumdarkgray, slabbyweathering, mostly obscurely bedded, partly laminated to platy bedded, partly sandy, clayey; includes at 2 ft. above base a 1.5ft. bed of mediumgray obscurely bedded friable fine to mediumgrained sandstone; at a
Siltstone, mediumdarkgray, poor platybedded, clayey, carbonaceous; includes 0.1ft. bed of bone coal at top; lower contact fairly sharp  1.1
Siltstone, mediumgray, obscurely bedded, slightly clayey, very sandy in lower part; many carbonaceous plant fragments, few large randomly oriented carbonaceous wood fragments; lower contact fairly sharp  2.2
Siltstone, mediumdarkgray, poor platybedded, clayey; abundant carbonaceous plant fragments; lower contact sharp  0.5
Sandstone: mediumgray, mostly obscurely bedded, partly laminated to platybedded, very fine to finegrained, subangular; abundant carbonaceous laminae in part; unit largely consists of alternating beds, about 1 ft. thick, of laminated to platybedded very f
Siltstone, brownishgray to mediumgray (top), obscurely bedded, probably partly laminated, clayey; some carbonaceous plant fragments  1.1
Coal, platyweathering; includes at 0.1 ft. below top a 0.1ft. parting of brownishgray weathered shale with abundant carbonaceous plant fragments; lower contact sharp  1.3
Sandstone, mediu:i1gray, laminated to platybedded, partly obscurely bedded, partly friable (2ft. zone 3 ft. above base and upper 2 ft.), very fine grained (fine grained in lower friable zone), subangular to subrounded; carbonaceous laminae in part; inclu
Sandstone, mediumgray, mostly obscurely bedded, laminated to platybedded in middle, partly friable, mostly finegrained, subangular; very fine grained, very silty and clayey in: middle part; lower contact fairly sharp  5.7
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; some carbonaceous plant fragments ;brownishgray and very carbonaceous in basal 0.2ft.; includes 1.5ft. bed of mediumgray very fine grained sandstone about 1 ft. above base  7.1
Coal,  0.6
Siltstone, brownishgray to black, laminated to platy bedded, clayey, carbonaceous  0 0.5
Siltstone, mediumgray, obscurely bedded, clayey; abundant carbonaceous plant fragments  0.5
Coal,  0.3 0.5
Siltstone, mediumgray (lower 0.5 ft.) and brownishgray to darkgray, mostly poor platybedded, finely sandy; abundant carbonaceous plant fragments  1.7
Shale, brownishgray to black, laminated to platybedded, very carbonaceous; abundant plant fragments  0.4
Claystone (volcanic ash?), light to very light gray, faintly laminated; abundant carbonaceous plant fragments; lenticular 0 0.2
Siltstone, mediumgray, obscurely bedded, clayey; abundant carbonaceous plant fragments; coal stringer as much as 0.15 ft. thick near base 1.6
Coal, 1.5
Siltstone, mediumgray, poor slabbyweathering, obscurely bedded, partly clayey, partly finely sandy; many carbonaceous plant fragments; brownishgray and very carbonaceous in upper 0.2 ft.; lower contact gradational  5.9
Sandstone, mediumgray, poor slabbyweathering (upper part), mostly laminated to platybedded, crossbedded, finegrained (lower 16 ft.) to very fine grained and very silty in upper part, angular to subangular; includes clasts about 0.5 ft. long of hard very
Coal, very impure in upper part; at 0.4 ft. above base includes 0.5ft. bed of mediumgray obscurely bedded conchoidally fracturing shale (12P3)* with slickensides and abundant carbonaceous plant fragments; lower contact sharp  1.2
Siltstone, mediumgray, partly ironstained, chunkyweathering, platy to very thin bedded (lower half), sandy (upper half), clayey; abundant carbonaceous plant fragments mostly randomly oriented  4.8
Coal,; lower contact sharp  0.8
Sandstone, mediumgray, partly ironstained, mostly crossbedded, obscurely bedded in lcwer 34 ft., mostly friable, mediumgrained (lower 8 ft.) grading upward to very fine grained and mostly very silty (upper 10ft.), subangular; lower 3 ft. includes scatter
Siltstone and interbedded sandstone; siltstone, mediumgray, large chunkyweathering, obscurely bedded, clayey; abundant carbonaceous plant fragments in part (especially near base and in upper half); forms beds commonly 35 ft. thick in lower half and 13 ft
Coal,; locally includes flatted conicalshaped treeroot (?) Masses at top; lower contact sharp  0.9
Siltstone, medium to mediumdarkgray, brown tint in basal 6.2 and upper 0.2 ft., chunkyweathering, obscurely bedded, clayey; abundant carbonaceous plant fragments; few large coalified wood fragments oriented at high angle to bedding; lower contact sharp
Coal, platyweathering; lower contact sharp  0.8
Siltstone, mediumgray, obscurely bedded, clayey, mostly sandy in upper part; abundant carbonaceous plant fragments; includes in middle about 0.8ft. bed of mediumgray platybedded very fine grained sandstone; lower contact gradational  2.3
Sandstone, mediumgray, partly ironstained, obscure platybedded, crossbedded, finegrained, subangular; some medium grains in lower half; very silty in upper 0.5 ft.; 1 lower contact sharp  12.1
Coal,; basal 0.1 ft. includes abundant pyroclastic (?)grains 1.0
Sandstone, mediumgray, obscurely bedded, very fine grained, subangular, very silty, clayey; abundant randomly oriented carbonaceous plant fragments; few large coalified wood fragments at high angle to bedding 2.0
Covered, interval  3.5
Coal,; lower contact sharp  1.3
Siltstone, (12Pl  upper 0.5 ft.)*, mediumgray~ chunkyweathering, obscurely bedded, clayey; many carbonaceous plant fragments; includes near middle 0.5ft. bed of mediumgray friable very tine to finegrained sandstone overlain by 0.8ft. bed of brownishgray
Coal, Bed Pnot measured
Shale, darkgray, fissile, carbonaceous; abundant plant fragments; upper contact mostly covered by slump material.
Coal, bony in lower half; blocky and platyweathering in upper half.
Shale, mediumbrown to darkbrownishgray, sandy; abundant coaly  plant fragments; pyroclastic(?) feldspar grains.
Coal, bony; interbedded with black carbonaceous shale; includes a carbonaceous shale bed at base.
Shale, mediumgray, hacklyweathering (small pieces),obscurely bedded, silty; no plant fragments; lower contact gradational.
Sandstone, mediumgray, slabbyweathering, obscurely bedded, finegrained, subangular; no plant fragments ;lower contact fairly sharp.
Shale, mediumgray, slightly ironstained, slabby to unevenweathering, obscurely bedded; carbonaceous woody fragments.
Ironstone
Ironstone, lightbrownishgray, nodular; abundant plant fragments.
Shale, darkbrownishgray, sandy, carbonaceous; abundant laminations of bony coal.
Sandstone, mediumgray, slabbyweathering, very fine grained, subangular, silty, clayey; includes an iron rich zone 1 ft. below top.
Siltstone, mediumgray, partly ironstained, hackly weathering, soft, very clayey; no plant fragments seen; contains interbeds of silty shale; includes a 0.1ft. bed of bony coal with abundant woody structure about 2 ft. below  top.
Coal, platyweathering; interbedded with darkbrownish gray carbonaceous shale and bony coal.
Shale, mediumgray, hacklyweathering, silty in part; breaks to small pieces.
Siltstone, mediumgray, slabbyweathering, thinbedded, crossbedded, clayey; lower contact gradational.
Shale, mediumgray,  partly slabby weathering, thinbedded, silty in part; includes a few thin carbonaceous laminations and plant fragments.
Shale, darkbrownishgray, platyweathering; abundant plant fragments; interbedded. with thin bony coal stringers.
Sandstone, mediumgray, slabbyweathering, obscurely bedded, fine to mediumgrained, subangular, clayey; no plant fragments; grades upward to mediumgray sandy siltstone and silty shale in upper 1.5 ft.
Coal, bony in basal 0.5 ft. and upper 0.4 ft.; includes a 0.3ft. mediumgray shale parting 0.3 ft. above base; a 0.650.9ft. mediumgray shale parting 0.1 ft. above base; a 0.1ft.  Deeply weathered brown shale parting 0.4 ft. below top; some very thin lenti
Shale, darkgray, partly ironstained, hackly weathering; basal 0.5 ft. deeply weathered; plant fragments common; includes carbonaceous and coaly stringers; a 1ft. mediumgray very fine grained sandstone bed1 ft. above base.
Coal, very bony, platyweathering.
Shale, mediumgray, deeply weathered.
Coal, blocky, very bony in basal 0.2 ft.; includes a lenticular 0.1 ft. parting of mediumbrown siltstone1.1 ft. above base and 2 similar lenticular partings in upper 0.5 ft.
Siltstone, mediumgray, lightgray hackly to uneven weathering; obscurely bedded, clayey; many carbonaceous plant fragments; lower contact probably gradational.
Sandstone, mediumgray. partly ironstained, thinslabby weathering, obscurely bedded, very friable, medium grained, scattered coarse grains, subangular, slightly clayey; becomes very fine grained and clayey in upper 3 ft.
Coal, bony; includes a 0.1 ft. parting of mediumbrown deeply weathered siltstone.
Shale, (1P112 , mediumgray; includes scattered carbonaceous stringers, plant fragments and coal stingers contains large coalified wood fragments at angle  to bedding.
Coal, bony.
Shale, mediumgray, hackly+weathering, silty; some plant fragments; slight green tint near top 0.6
Sandstone, mediumgray, locally ironstained, finegrained, subangular, clayey, locally includes hard probably ironrich concretionary bodies up to 0.5 ft. thick; lower contact sharp 3.3
Siltstone, mediumgray, hackly to subplatyweathering, obscurely bedded, clayey; few  carbonaceous plant fragments; includes thin stringers of darkgray carbonaceous shale near middle and top; lower contact sharp; unit poorly exposed  4.5
Shale, brownishgray, poor platybedded, slightly silty; some carbonaceous plant fragments; top 0.1 ft. bone coal 0.7
Siltstone, darkbrownishgray, finely sandy, clayey, pyroclastic(?) grains; includes a few thin coal stringers  0.4
Coal, bony  1.1
Sandstone, mediumgray, partly ironstained, obscurely bedded, finegrained, subangular, clayey; lower contact sharp  1.7
Shale, mediumgray,  obscurely bedded, silty; includes at base a 0.1ft. darkbrownish gray siltstone with carbonaceous fragments; at 0.5 ft. above base a 0.05ft. black carbonaceous shale; at 0.8 ft. above base a 0. 3ft. irons0 tone bed with common plant fr
Sandstone, mediumgray, locally ironstained in lower 12 ft., thinslabbyweathering, obscurely bedded at base. very friable, medium to very coarse grained (basal 0.3 ft.) grading upward to finegrained near top, subangular to subrounded, clayey; includes a f
Siltstone, mediumgray, ironstained, laminated to thin bedded, very finely sandy, clayey; few plant fragments0.3
Shale, medium to darkgray, deeply weathered; abundant plant fragments 0.4
Ironstone, mediumgray, ironstained, nodularweathering; abundant plant fragments 0.2
Claystone, lightbrown, shardlikeweathering, obscurely bedded; plastic when wet; distinctive 0.3
Shale, mediumdarkgray, partly ironstained, platy to flakyweathering, silty, carbonaceous 0 .3
Coal, blocky  2.5
Shale, (1P94)*, mediumgray. hacklyweathering, slightly plastic; some carbonaceous plant fragments 0.8
Coal, platyweathering, bony  0.4
Siltstone, mediumgray, partly ironstained, uneven to slabbyweathering, obscurely thinbedded; includes local concretionary bodies up to 2 ft. thick; some interbeds of mediumgray silty shale; upper 1 ft. harder and more ironstained than lower part and cont
Coal, platyweathering, bony; interbedded with darkgray fissile carbonaceous shale with abundant plant fragments 0.5
Siltstone, mediumgray, uneven slabbyweathering, thin bedded, soft, very clayey; plant fragments; lower contact gradational 1.5
Coal, weathered, bony; includes a few thin partings of gray shale; locally overlain by Pleistocene deposits  1.0
Siltstone, mediumgray (wet), massiveappearing, clayey; interbedded with shale; few carbonaceous laminations; few coal beds up to 0.1 ft. thick in lower 3 ft.  11.5
Coal, mostly bony; poorly observed  3.0
Sandstone, mediumlightgray (wet), massive, soft, friable, finegrained, subangular, clayey in top 1 ft.; no plant fragments; includes thin interbeds of medium gray soft very clayey siltstone  32.0
Shale, mediumgray, blockyweathering, massive, very silty  3.8
Coal, blocky, partly bony  1.0
Claystone, mediumbrown, hacklyweathering, lenticular, plastic; abundant small plant fragments.
Coal, blocky, mostly dull; much woody texture on bedding planes  0.5
Shale, (1P183)*, mediumgray, hacklyweathering, platy bedded; few carbonaceous plant fragments; includes near middle 2 beds of darkgray to black carbonaceous shale (0.1 ft. thick) with coal stringers in lower bed  1.8
Coal, blocky  0.5
Shale, mediumgray; poorly observed  0.1
Covered, interval 30.0
Shale, mediumgray, slightly ironstained, hacklyweathering, obscurely bedded; no plant fragments seen; includes abundant ironstone nodules about 0.5 ft. thick at 1.5 ft. above base; 1.5ft. bed of siltstone 3.5ft. above base  9.6
Coal, bony; includes a 0.1ft. bed of darkbrownishgray carbonaceous shale at base 0.4
Siltstone, mediumgray, thinbedded, hard, finely sandy; abundant coalified plant fragments; lower contact sharp  0.7
Sandstone, mediumgray, commonly ironstained, thinbedded, prominently crossbedded (sets about 2 ft. thick); bedding locally contorted (load structures), friable, mostly mediumgrained, subangular to subrounded, silty; basal 1 ft. coarse grained; locally in
Siltstone, mediumgray, ironstained (in joints), medium lightgrayhackly to platyweathering, obscurely bedded, hard,  tough, slightly limy, clayey; abundant plant fragments; includes mediumgray ironstone concretions up to 0.5 ft. thick with abundant plant
Coal, blocky  0.3
Shale, mediumgray, mostly hacklyweathering, slabbyweathering (upper 1 ft.), probably platybedded; no plant fragments seen; includes numerous ironstone concretions up to 0.5 ft 7.8
Coal, bony; includes mediumgray poorly platybedded carbonaceous shale with abundant plant fragments  0.8
OF-75-383-Sec-2
Coal, blocky; top very slumpy 1.0
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_2.pdf
Shale, (2P25)*, medium to mediumdarkgray, partly fissile, clayey, partly very carbonaceous; abundant carbonaceous plant fragments; includes coal stringers 0.3
Covered, interval 36.
Coal, blocky 0.5
Shale, mediumgray, very finely sandy, silty; abundant carbonaceous plant  fragments 0.8
Covered, interval 1.1
Shale, and interbedded coal; shale, medium to mediumdark gray, fissile; abundant carbonaceous plant fragments; forms beds up to 0.5 ft. thick; coal, blocky to platy weathering, bony; forms beds up to 0.5 ft. thick  1.6
Shale, (2P23)*, mediumgray, blockyweathering; plastic when wet; abundant carbonaceous plant fragments   0.7
Covered, interval  4 .8
Coal, blockyestimated 0.51.0
Covered, interval  2.5
Coal, blockyestimated 2.0
Covered interval; includes slumped coal bed, thickness unknown, about 11.5 ft. above base  81.5
Sandstone, mediumgray, deeply weathered, very fine grained, very silty  2.5
Coal, blocky  0.65
Siltstone, mediumgray, ironstained, deeply weathered, hack1yweathering, friable; includes at base 0.3ft. lense of mediumgray hard ironrich (?) siltstone with abundant plant fragments; carbonaceous in upper 0.2 ft.+  3.3
Coal, and interbedded darkgray carbonaceous shale, weathered  0.3
Siltstone, medium gray, ironstained, hacklyweathering, obscurely thinbedded, locally hard and concretionary in upper 1 ft.; few plant fragments; includes ironstone nodules up to 0.3 ft. thick 1.5 ft. below top  7.0
Covered, interval  21.
Sandstone, mediumgray, very thin to thinbedded, friable, very fine to finegrained, silty  2.0
Coal, blocky; includes 2 partings of weathered shale, each about 0.05 ft. thick, near middle and in lower half; forms small waterfall at top of sea cliff  1.6
Siltstone, and interbedded sandstone; siltstone, mediumgray, laminated to very thin bedded; sandy,  few small carbonaceous plant fragments; forms beds 0.5 ft.0.8 ft. thick; sandstone, mediumgray, friable, very fine grained, silty; few carbonaceous plant
OF-75-383-Sec-3
Covered, interval  26.3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_3.pdf
Sandstone, mediumgray, partly ironstained in upper half, slabbyweathering, friable, finegrained. some medium grains in Iower part, subrounded to subangular; abundant dark rock fragments; upper 7 ft. includes interbeds, up to 1 ft. thick, of sandy clayey
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey, partly sandy in upper 3 ft.; many small plant fragments; includes at top ironstone nodules, up to 0.35 ft. thick, containing abundant randomly oriented plant fragments; lower contact gr
Shale, mediumgray, partly ironstained, obscurely bedded, silty; abundant randomly oriented plant fragments; includes near middle ironstone nodules, up to 0.2 ft. thick, with abundant plant fragments roughly parallel to bedding  2.0
Shale, darkgray to black; abundant carbonaceous plant material on bedding surfaces; upper half very impure bony coal  0.8
Shale, (3P2S)*, mediumgray, weathered, obscurely bedded; many carbonaceous plant fragments  0.6
Sandstone, mediumgray, slabbyweathering, thinbedded, finegrained, subangular, silty, clayey; includes stringers of carbonaceous material; lower contact gradational 2.2
Siltstone, mediumgray, slabby to blockyweathering, thinbedded, soft. very clayey; finely sandy 1.0
Siltstone, mediumdarkgray, partly ironstained, obscurely bedded, sandy, carbonaceous; some plant fragments; includes sandy siltstone concretions 1.0
Sandstone, mediumgray, slabbyweathering, massive appearing, finegrained, subangular, silty, clayey; no plant fragments 3.4
Siltstone, mediumgray, partly ironstained, hackly weathering, massiveappearing; includes 0.3ft. bed of mediumgray platyweathering finegrained sandstone 0.9 ft. above base 3.5
Coal, blocky; upper 1 ft. fissile to platyweathering and bony; includes 0.2ft. carbonaceous shale parting 1 ft. above base; lenticular parting, up to 0.2 ft. thick, of mediumbrown siltstone containing scattered finegrained spheroids of hydrous iron oxide
Sandstone, mediumgray, good slabbyweathering, thin bedded, crossbedded, laminated with carbonaceous plant material, very fine grained, silty, clayey; some coaly wood fragments; includes at base concretionary hard limy siltstone with many plant fragments
Siltstone, mediumgray, partly ironstained, hackly to slabbyweathering, obscurely bedded, soft, very clayey; includes 0.3ft. bony coal 2 ft. below top  5.1
Coal, blocky to platyweathering, bony; includes at 0.3ft. above case a 0.4ft. parting of mediumgray soft slightly plastic (when+wet) clayey shale with coaly wood fragments; at 1. 2 ft. above base a 0. 7ft. bed of mediumdarkgray fissile carbonaceous shale
Siltstone, mediumgray, hacklyweathering, obscurely bedded, soft, clayey; no plant fragments; includes ironstone nodules up to 0.3 ft. thick about 1 ft. below  top  4.5
Sandstone, mediumgray, slabbyweathering, obscurely bedded, soft to well indurated, fine to medium grained, subangular, silty, clayey; includes hard limy concretions locally in lower 6 ft.; large coaly wood fragments in lower 6 ft.  11.8
Coal, blocky and platyweathering; includes near middle 0.2ft. parting of mediumdarkgray fissile carbonaceous shale with many plant fragments; near top 0.2ft. parting of mediumbrown finegrained pyroclastic sandstone with abundant coal stringers and plant
Siltstone, mediumgray, hackly to slabbyweathering, obscurely bedded, clayey; no plant fragments  3.0
Shale, darkgray, fissile, carbonaceous; some large woody plant fragments; includes interbeds of bony coal  0.4
Siltstone, mediumgray, partly ironstained. slabby weathering, very thin bedded, crossbedded, partly very finely sandy, clayey; includes at base a 1.5ft. concretionary hard limy siltstone with common plant fragments  2.0
Siltstone, mediumgray, slabbyweathering, very thin bedded, clayey; interbedded with mediumgray slabby weathering, very thin bedded crossbedded very fine grained sandstone; includes 3ft. bed of mediumgray slabbyweathering very silty shale at base  11.5
Sandstone, mediumgray, slabbyweathering. thinbedded. crossbedded, finegrained, subangular, silty, clayey; few coaly wood fragments   2.6
Sandstone, mediumgray, obscurely bedded, soft, fine grained, silty, clayey; becomes mediumgray hacklyweathering thinbedded crossbedded siltstone in upper half  4.1
Shale, mediumgray, hacklyweathering, obscurely bedded, very silty; some carbonaceous plant fragments  0.7
Sandstone, mediumgray, slabbyweathering, obscurely bedded, fine to mediumgrained, subangular, silty, clayey  2.0
Shale, mediumgray, hacklyweathering, obscurely bedded, very silty; some carbonaceous plant fragments  1.3
Sandstone, mediumgray, slabbyweathering, obscurely bedded, fine to  mediumgrained, subangular, silty, clayey  0.7
Shale, mediumgray, hacklyweathering. obscurely bedded, very silty; lower 0.4 ft. hard limy concretionary shale with abundant plant fragments; lower contact sharp  2.2
Coal, blocky, bony at base and in upper 8.2 ft.; contains scattered fragments of amber; includes 0.2ft. parting of mediumdarkgray to brown platyweathering carbonaceous silty shale at 0.5 ft. above base; partings up to 0.05 ft. thick of mediumbrown pyrocl
Sandstone, mediumgray, slabbyweathering, thinbedded, locally prominently crossbedded, friable, fineto mediumgrained, subangular, silty, clayey; near middle becomes ironstained, hard, limy, and concretionary (concretions up to 0.8 ft. thick by 2ft. long);
Siltstone, mediumgray, partly ironstained, hackly to slabbyweathering, thinbedded, clayey; few scattered large coal fragments randomly oriented; includes 0.2ft. bed near top of mediumdarkgray laminated to fissile carbonaceous shale with abundant plant fr
Coal, platy, bony; upper part becomes mediumdarkgray platy carbonaceous shale; lower contact wavy 0.6
Shale, mediumdarkgray; partly ironstained, blocky to hacklyweathering, thinbedded, silty; abundant plant fragments 0.6
Shale, black, carbonaceous; includes bony coal 0.2
Sandstone, mediumgray, partly ironstained. slabby weathering, crossbedded, limy, very fine to fine grained, silty, clayey; becomes more silty and weathers blocky to hackly with some iron0staining in upper 0.8 ft.; includes local concentrations of large c
Siltstone, mediumgray, lightgray slabbyweathering, obscurely bedded, subconchoidalfracturing; some large plant fragments; includes finegrained sandstone interbeds in upper part 2.0
Shale, mediumlight to mediumgray (wet), hackly to slabbyweathering, obscurely thinbedded, mostly carbonaceous, slightly silty; becomes very carbonaceous in lower half; includes at base 0.1ft. bed of bony coal; at top 0.25ft. zone of bony coal and interbe
Siltstone, mediumgray, partly ironstained, ledgeforming (single bed), limy, clayey; abundant plant fragments randomly oriented 1.4
Shale, mediumgray, obscurely bedded; includes 0.lft. bed of bony coal or coaly carbonaceous shale 0.4ft. below top 1.4
Sandstone, mediumgray, slabbyweathering, massive appearing, probably thinbedded, finegrained (base) grading upward to very fine grained (top), Subangular, silty, clayey; carbonaceous plant fragments; includes 1ft. bed of mediumgray silty shale about 3 ft
Coal, and interbedded shale; coal beds up to 0.7 ft. thick; shale, medium to darkgray, ironstained, obscurely to platybedded, partly carbonaceous; plant fossils; 0.1ft. lenticular parting of mediumto lightbrownweathering siltstone (pyroclastic?); 0.5ft.
Sandstone, mediumgray, partly ironstained, slabby weathering, obscurely thinbedded, friable, fine grained; becomes very fine grained in upper part; includes coaly wood fragments in lower part  2.6
Coal, blocky; bony in basal 0.3 ft. and 0.2ft. bed 1.7 ft. above base; upper 2.2 ft. includes interbedded mediumdark to darkgray partly carbonaceous shale, with plant fragments and coal stringers, and 4 bony coal beds up to 0.2 ft. thick  4.1
Sandstone, mediumgray, slabbyweathering, obscurely thin bedded and crossbedded, massiveappearing, partly limy, eventextured, medium  to very fine grained subangular, clayey, silty; becomes finer grained toward top and grades to sandy clayey siltstone in
Shale, mediumdarkgray, platy to very thin bedded; basal 0.6 ft. carbonaceous with bony coal stringers in upper 0.2 ft.; includes 0.5ft. coal bed 1.35 ft. above base; a limy  concretionary siltstone with abundant large plant fragments in upper 0.8 ft.  2.
Sandstone, mediumgray, slabbyweathering, thinbedded, indistinctly crossbedded, fine to very fine grained, silty, clayey, micaceous; few carbonaceous plant fragments; grades to mediumgray sandy clayey siltstone with weathering characteristics of shale in
Siltstone, mediumgray, hacklyweathering, massive appearing to obscurely laminated (mostly laminated in basal part), very clayey; grades to mediumgray shale in upper 3 ft.; includes lightbrownishgray ironstone nodules up to 0.2 ft. in diameter about 4.5 f
Sandstone, mediumlightgray, slabby to massiveweathering, obscurely thin bedded, finegrained, silty, clayey; grades upward to siltstone; lower contact sharp  4.3
Sandstone, mediumlightgray, lightbrownishgray weathering, thinbedded, prominently festoon crossbedded, friable to moderately indurated, locally limy, mediumgrained, locally coarsely sandy to pebbly, subangular, silty; contains large coal fragments; inclu
Coal, includes 0.1ft. parting of brownishblack very carbonaceous shale (almost bone coal) 0.8 ft. above base; 0.3ft. parting of brownishgray siltstone 1.3ft. above base; 0.3ft. parting of darkgray carbonaceous shale 0.35 ft. below top; few bony coal part
Shale, (1P72)*, darkgray to black, platybeaded, plastic when wet in upper 0.2 ft.; some plant fragments; includes a 0.1ft. coal bed 0.3 ft. above base  0.6
Shale, mediumlight to mediumgray (wet), locally iron stained, hacklyweathering, massive, locally limy, silty; few plant fragments; includes at top 0.3ft. bed of brownishgrayweathering nodular siltstone with abundant plant fragments  5.7
Coal, blocky, mostly bright; scattered white medium grained pyroclastic (?) particles; includes 2 lenticular partings, up to 0.05 ft. thick, of brown siltstone near middle; upper contact pearly exposed; lower contact covered 2.3 Note: Beginning at the ex
Coal, blocky, bright in pant; basal 0.15 ft. darkbrownish gray sandy siltstone (IP68)* with abundant carbonaceous material; includes 0.3ft. parting of dark gray to black platyweathering carbonaceous shale (1P68)* 1.5 ft. above base; lenticular partings,
Sandstone, mediumgray, slabby to blockyweathering, obscurely thin bedded, crossbedded, very fi ne to mediumgrained, subangular, silty, clayey; becomes very fine grained and more silty and clayey in upper half; locally includes limy concretions up to 3 by
Coal, bony  0.3
Shale, darkgray to black; abundant carbonaceous wood fragments  0.6
Coal, woody; interlaminated with black platyweathering fissile carbonaceous shale  0.4
Coal, platy at top and base; scattered white medium grained pyroclastic (?) particles; includes at 0.6ft. above base a 0.4.ft. parting of mediumbrown very fine grained pyroclastic sandstone interbedded with many thin coal stringers  1.5 Note: A slump blo
Coal, includes 1ft. parting of mediumgray to pale brown pyroclastic (?) shale about 0.5 ft. above base; poorly observedabout  5.0
Sandstone, mediumgray, massiveappearing, mostly fine grained, locally mediumgrained and coarse to very coarse grained in basal 1 ft. subangular, silty, clayey; locally forms limy concretions containing many large woody coal fragments; includes few carbon
Coal, blocky; includes several mediumbrown finegrained pyroclastic sandstone partings, up to 0.1 ft. thick, in lower 1.5 ft. and upper 2 ft.; a 0.6ft. parting of mediumgrained siderite spheroids, altering to hydrous ironoxide in darkgray clay matrix at 1
Claystone, mediumgray, hacklyweathering; obscurely bedded; scattered plant fragments  0.6
Shale, brownishgray, blockyweathering, obscurely bedded, silty; some carbonaceous plant fragments  0.4
Shale, medium to darkgray, fissile to platybedded; carbonaceous plant fragments  1.0
Coal, platy, bony  0.3
clay
Clay, lightbrownishgray to olivegray (wet), soft, plastic (wet), silty; some small plant fragments  0.4
Sandstone, mediumlightgray, slabbyweathering, massive to locally faintly crossbedded, sort, fine to mediumgrained (few small lenses of coarse grains), silty; includes coal lenses, up to 0.1 ft. thick in shaly zone 23 ft. above base; lower contact sharp
Shale, (1P2)*, mediumlightgray to slightly brownishgray, obscurely bedded, soft, slightly silty; includes 0.1ft. bed of black carbonaceous shale (1P2)* with very thin stringers and films of coal at base; locally forms limy concretions that contain plant
Coal, blocky, weathered; no partings  3.0
Siltstone, (1P1)*, mediumgray to brownishgray, massive, soft, very finely sandy, clayey; few small plant fragments; lower contact covered  2.0
Sandstone, mediumgray, ironstained in part, obscurely bedded, friable, finegrained, subangular, silty; includes 3 interbeds, 0.1 ft. thick, of mediumgray sandy siltstone in lower 2 ft. 3.5
Siltstone, mediumgray, obscurely bedded, sandy, clayey; some carbonaceous plant fragments; includes irregular dikes and masses of interconnected sandstone similar to overlying unit  1.7
Sandstone, mediumgray, ironstained, slabbyweathering, obscurely bedded, friable, finegrained, subangular; poor cliff former  3.5
Siltstone, mediumgray, deeply ironstained, weathered, obscurely bedded, clayey; many plant fragments; includes limy siltstone concretions un to 0.4 ft. thick  0.5
Shale, mediumgray, hackly to subconchoidalweathering; includes at base a 0.4ft. ironrich bed; at about 1ft. above base a mediumgray finegrained sandstone 4 ft. thick, overlain by darkgray carbonaceous shale; at top a 1ft. bed of sandstone with a sharp ir
Sandstone, mediumgray, slabbyweathering, thinbedded, crossbedded, finegrained, subangular to angular, slightly clayey; includes laminations of carbonaceous sandstone; a 0.2ft. bed of siltstone at 0.3ft. below top; lower contact sharp  2.2
Siltstone, and interbedded shale and sandstone; siltstone, mediumgray, poor blockyweathering, laminated to very thin bedded, clayey; some small carbonaceous plant fragments on bedding surfaces; shale, mediumdark gray, laminated to very thin bedded; inclu
Siltstone, mediumgray, obscurely bedded, clayey; few carbonaceous plant fragments; includes an ironrich nodular zone in lower 0.3 ft.  1.5
Sandstone, mediumgray, slabbyweathering, very fine grained, subangular, clayey; probably includes siltstone laminations in thin beds; poorly observed, particularly in lower 8 ft.; upper 0.5 ft. mediumgray hacklyweathering siltstone with thin coal stringe
Sandstone, mediumdark gray, hacklyweathering, irregularly bedded to laminated, very fine to finegrained, subangular, very clayey; includes abundant mediumdarkgray laminations of siltstone, concretionary limy bodies near middle; lower contact sharp  2.2
Sandstone, mediumgray, thinslabbyweathering, obscurely thinbedded, friable, finegrained, subangular  3.0
Siltstone, mediumgray, weakly ironstained, hard, limy; ledge former;  few small plant fragments  0.5
Siltstone, mediumdarkgray, finely sandy, clayey; laminated with finegrained sandstone  0.5
Sandstone, mediumgray, thinslabbyweathering, obscurely thinbedded, friable, finegrained, subangular; poorly exposed; lower contact sharp  2.3
Siltstone, mediumgray, clayey; worm burrows (?)  0.4
Siltstone, mediumgray, laminated to very thin bedded, hard, limy, clayey, ledge former;  abundant fine carbonaceous plant material on bedding surfaces; lower contact fairly sharp  1.0
Sandstone, mediumgray, very fine to finegrained, subangular to subrounded, slightly clayey; includes a 0.3ft. siltstone bed 0.9 ft. above base  2.4
Sandstone, and interbedded siltstone; sandstone, mediumgray, very fine to finegrained, subangular to subrounded, slightly clayey; siltstone becomes dominant toward top 13.6
Siltstone, mediumgray. ironstained, laminated, hard, limy, clayey; ledge former; small carbonaceous plant fragments on bedding surfaces  0.6
Sandstone, mediumgray, slabbyweathering, friable, very fine grained, subangular, slightly clayey; includes a few laminations and thin beds of darkgray carbonaceous siltstone; lower contact sharp  6.0
Sandstone, mediumgray, partly ironstained, slabby to platyweathering, very thin bedded, crossbedded, mostly friable, very fine to finegrained, subangular to subrounded; includes many thin beds of partly laminated nonfriable very clayey silty sandstone; l
Siltstone, mediumlightgray, flaggy to platyweathering, laminated to very thin bedded, sandy, clayey, slightly limy; common carbonaceous plant fragments; lower contact fairly sharp  2.0
Sandstone, mediumgray, partly ironstained, slabbyweathering, very thin bedded, crossbedded, friable, very fine to finegrained, subangular; lower contact sharp  2.3
Sandstone, mediumgray, partly ironstained in lower 1 ft., prominent platyweathering, laminated to platybedded, hard, very fine grained, subangular to subrounded, very silty in lower 1 ft., slightly silty; abundant carbonaceous plant fragments locally on
Sandstone, mediumgray, mostly ironstained, poor slabbyweathering, very thin bedded, crossbedded (small scale), friable, very fine to finegrained, subangular to subrounded; few coalified wood fragments in lower 1 ft.; includes few fragments of carbonaceou
Siltstone, mediumgray, partly ironstained, hackly to platyweathering, very thin bedded to partly laminated, hard, clayey, sandy; abundant plant fragments and coalified ironreplaced plant fragments (partly in growth position?) mostly along bedding surface
Sandstone, mediumgray, partly ironstained, poor slabbyweathering, obscurely bedded, friable, very fine grained, subangular to subrounded, silty; lower contact fairly sharp  2.8
Siltstone, mediumgray, ironstained in lower part, obscurely very thin bedded, soft, clayey, partly sandy; abundant carbonaceous plant fragments on bedding surfaces; lower contact fairly sharp  1.3
Shale, medium to mediumdarkgray, platyweathering, fissile to platybedded, partly carbonaceous; abundant plant fragments in upper 0.3 ft.; includes bony coal stringers and woody fragments; lower contact fairly sharp  1.2
Siltstone, mediumgray, partly ironstained in lower 1 ft., platy to blockyweathering, very thin bedded to laminated, sandy, clayey, very clayey in upper I ft.; some small carbonaceous plant fragments  4.5
Sandstone, mediumgray, laminated, friable, very fine grained, subangular to subrounded; carbonaceous plant fragments; lower contact gradational  3.0
Siltstone, mediumgray, platybedded, clayey; few carbonaceous plant fragments; lower contact gradational  1.0
Siltstone, mediumgray, platyweathering, thinbedded, clayey, sandy; interlaminated with mediumlightgray very fine grained clayey sandstone; carbonaceous plant fragments; lower contact sharp  4.0
Sandstone, mediumgray, medium lightgrayweathering, cliffforming, slabbyweathering (upper part), very thin to thinbedded, prominently crossbedded (sets13 ft. thick), friable, fine to coarsegrained (lower part) grading upward to very fine grained (upper 4.
Shale, mediumgray to mediumbrown, hacklyweathering, very silty, very finely sandy; abundant carbonaceous plant fragments; coal stringers at base and top; includes in upper part hard limy siltstone concretions with abundant small plant fragments  4.6
Coal, blocky; includes cony coal and black carbonaceous shale at base and top  0.7
Shale, mediumgray, hackly to blocky and subconchoidal weathering, slightly silty; carbonaceous plant fragments; interbedded near middle with subequal amounts of siltstone and mediumgray thin bedded finegrained partly limy and concretionary sandstone with
Siltstone, mediumgray, blocky to hacklyweathering, obscurely bedded; clayey; few carbonaceous plant fragments; lower contact gradational   1.0
Sandstone, mediumgray, slabbyweathering, obscurely bedded, friable, mediumgrained in lower part grading to very fine grained at top, subangular to angular, slightly clayey; lower contact sharp 5.5
Shale, mediumgray, slightly ironstained, hacklyweathering, obscurely bedded; no plant fragments seen 4.2
Sandstone, mediumgray, thinslabbyweathering, thinbedded ,probably partly crossbedded, friable, finegrained, subangular to subrounded, slightly clayey; some carbonaceous plant fragments; interbedded with siltstone in upper 1 ft.; lower contact sharp 3.7
Shale, and interbedded siltstone; shale, mediumgray, slabby to unevenweathering, obscurely bedded; few carbonaceous plant fragments; siltstone, mediumgray, clayey; includes a 0.1ft. bed of fissile to platy bedded carbonaceous shale about 1.5 ft. above ba
Coal, blocky; includes a 0.1ft. parting of mediumbrowns hale at 0.2 ft. above base; a 0.3ft. bed of black carbonaceous shale at top; locally upper part of unit includes limy siltstone (?) concretions (inaccessible) 1.0
Siltstone, mediumgray, partly ironstained, slabbyweathering; thin.bedded, hard, slightly clayey; includes local laminations of carbonaceous plant material 4.4
Coal, mostly blocky; includes at 0.4 ft. above base a 1.8ft. parting (pinches out southeastward) of mediumbrownishgray shale with coal fragments and a 0.1ft. coal stringer near middle; a 0.3ft. bed of brownishgrayfissile carbonaceous shale with abundant
Siltstone, mediumgray, slabbyweathering, thinbedded, crossbedded, hard, clayey, sandy near top; interlaminated with carbonaceous material; includes at 1ft. above base a 1.3ft. bed of mediumgray slabbyweathering fine to mediumgrained subangular  to angula
Shale, mediumbrown, platybedded; few plant fragments  0.6
Coal, platy  0.6
Siltstone, mediumgray, slightly ironstained, slabby to unevenweathering, obscurely bedded, clayey; no plant fragments seen; includes an 0.8ft. sandstone bed about 3 ft. above base; lower contact gradational  7.0
Sandstone, mediumgray, cross bedded, fine to medium grained, subangular to angular, clayey; locally interlaminated with carbonaceous plant material; lower contact sharp and even  1.2
Shale, mediumgray, subconchoidalweathering. obscurely bedded, slightly silty; no plant fragments  0.3
Shale, mediumgray, hacklyweathering, obscurely bedded, silty; some carbonaceous plant fragments; lower contact gradational  4.1
Siltstone, mediumgray, partly ironstained, poor platy to chunkyweathering, poorly very thin bedded to partly laminated, clayey, partly sandy; common carbonaceous plant fragments; lower contact sharp  4.4
Shale, darkgray to black, platybedded, carbonaceous; includes bony coal stringers; ironstone nodules to 0.5ft. thick in lower part  0.7
Shale, mediumgray, obscurely bedded, hard; many carbonaceous plant fragments; lower contact gradational  0.5
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey, sandy in basal part; many carbonaceous plant fragments; lower contact gradational  1.0
Sandstone, mediumgray, partly ironstained, slabbyweathering, obscurely very thin bedded, crossbedded, mostly friable, very fine grained, subangular, silty, clayey, very clayey in top 0.2 ft.; some carbonaceous plant fragments; lower contact sharp  1.3
Shale, mediumgray, obscurely bedded, hard, silty; many carbonaceous plant fragments: includes ironstone nodules 0.3ft. thick at 1.3 ft. above base; lower contact sharp+  2.6
Sandstone, mediumdarkgray, partly ironstained, poor platy to very thin bedded, very fine grained, subangular to subrounded, very clayey; many carbonaceous plant fragments; includes several thin very carbonaceous siltstone beds; a 0.2ft. bony coal at top;
Sandstone, and interbedded siltstone; sandstone, mediumgray, chunkyweathering, obscurely bedded, partly friable (0.5ft. bed 0.7 ft. below top), very fine grained, subangular, mostly very clayey; some carbonaceous plant fragments; siltstone. mediumgray, o
Sandstone, mediumgray, partly ironstained, obscurely bedded, mostly friable, very fine grained, subangular, slightly silty, clayey; includes few thin clayey siltstone beds in basal part  1.4
Siltstone, mediumgray, partly lightly ironstained, hacklyweathering, laminated to poor platybedded, clayey, partly sandy; many carbonaceous plant fragments on bedding and some normal to beading; includes few thin interbeds of very fine grained sandstone
Sandstone, mediumgray, partly ironstained, chunkyweathering and hard in upper half, obscurely bedded, friable in lower half, finegrained in lower part becoming very fine grained and very silty in upper part, subangular, clayey; few carbonaceous plant fra
Siltstone, mediumgray, partly ironstained, poor platy to very thin bedded, clayey, sandy in upper 0.3 ft.; some small carbonaceous plant fragments; includes 4 courses of ironstone nodules up to 0:2 ft. thick in lower3.4 ft.  8.6
Coal, bony; lower contact sharp  0.3
Siltstone, mediumgray, partly ironstained, poor platyweathering in part, platy to very thin bedded. hard, clayey; abundant carbonaceous plant fragments; upper 0.1ft. becomes darkgray and carbonaceous; lower contact sharp  2.5
Siltstone, mediumgray, thinbedded; some carbonaceous plant fragments; lower contact gradational 1.0
Sandstone, mediumgray, slabbyweathering, very thin bedded, crossbedded, soft, very fine to finegrained, subangular, silty, clayey; includes few carbonaceous laminations  2.0
Shale, black, fissile, carbonaceous; includes coal stringers   0.4
Shale, mediumgray, slabbyweathering, very thin bedded; abundant plant fragments on bedding planes; lower contact somewhat gradational  2.0
Coal, mostly bony; forms beds up to 0.5 ft. thick; contains amber grains; includes numerous partings of darkgray to brownishgray fissile carbonaceous shale with abundant woody coal and small plant fragments; a lenticular bed up to 0.7 ft. thick of browni
Shale, (1P59  from top 0.5 ft. of unit)*, mediumgray to brown, partly ironstained, hacklyweathering, obscurely bedded; brown and carbonaceous at top; lower contact gradational 0.6
Sandstone, mediumgray, partly ironstained, slabby weathering, obscurely bedded, probably thin bedded, very fine grained, silty, clayey; no plant fragments seen  2.2
Shale, mediumdark to darkgray (wet), carbonaceous; lower contact gradational  0.3
Shale, mediumgray, locally ironstained, hackly weathering, obscurely bedded, silty, slightly plastic (wet) 1.0
Siltstone, mediumlight to mediumgray (wet), slabby weathering, obscurely thinbedded, clayey  3.0
Siltstone, mediumlight to mediumgray (wet), locally ironstained, hacklyweathering, obscurely bedded, clayey; no carbonaceous fragments seen  1.3
Sandstone, mediumgray, hackly to slabbyweathering, massiveappearing, probably very thin bedded. very fine to finegrained, silty, clayey; few carbonaceous plant fragments; lower contact gradational  4.0
Shale, mediumgray, locally ironstained (on fractures), hacklyweathering, obscurely bedded  2.0
Coal, fissile, bony; almost a carbonaceous shale; lower contact gradational  0.2
Clay, mediumgray, obscurely bedded, plastic; small randomly oriented carbonaceous plant fragments  0.4
Sandstone, mediumgray (wet), locally ironstained, poor slabbyweathering, mostly soft, finegrained, subangular; many plant fragments (probably roots); ironstained zone in middle contains concretions up to 0.5 ft. thick  2.0
Shale, darkgray, fissile, carbonaceous; some woody plant fragments  0.3
Shale, mediumlight to mediumgray (wet), hacklyweathering, obscurely bedded; some carbonaceous fragments  2.6
Sandstone, mediumgray (wet), partly ironstained, slabby weathering, probably thinbedded, very fine grained, silty, clayey; some carbonaceous plant fragments; lower contact sharp  2.0
Shale, black to brownishgray, laminated, carbonaceous; includes coal stringers; grades in upper part to blocky bony coal; lower contact gradational  1.2
Siltstone, mediumgray (wet), blockyweathering, locally obscurely laminated, soft, clayey; includes black coaly shale, 0.1 ft. thick, at 0.5 ft. above base (probably pinches out laterally); clayey zone at 3.8 ft. above base containing nonlimy ironstone co
Siltstone, mediumdarkgray, obscurely bedded, conchoidal fracturing, hard, dense, limy, very finely sandy; few carbonaceous plant fragments  1.8
Sandstone, mediumgray, obscurely thinbedded, fine grained, very silty, clayey, locally partly concretionary; interbedded with siltstone and shale; includes at base 0.1ft. bed of black bony carbonaceous shale overlain by 2ft. bed of mediumgray silty shale
Sandstone, mediumgray, slabbyweathering, massive, fine to very fine grained, subangular, clayey; very clayey and hacklyweathering in upper half  3.7
Shale, medium to mediumdarkgray (wet), silty; carbonaceous in upper part  1.5
Siltstone, mediumgray, slabbyweathering, massive, finely sandy, clayey; abundant small carbonaceous fragments in lower 1 ft.  4.2
Coal, blocky; includes several stringers of mediumbrown pyroclastic siltstone; laterally unit changes to mediumdarkgray shale 1.3 ft. thick  0.7
Shale, darkgray, carbonaceous; includes bony coal stringers in lower part  0.3
Sandstone, mediumgray, slabbyweathering, massive appearing, very fine to finegrained, subangular, silty, clayey; includes 1ft. bed of mediumgray silty shale at base; scattered coal stringers and 0.3ft. coal lense at 1.5 ft. below top; locally this unit b
Coal, blocky, bony in basal 0.2 ft.; some amber blebs; cut by channeling locally  1.7
Sandstone, mediumgray, slabbyweathering, irregular platy to thinbedded, locally crossbedded, very fine to finegrained, silty, clayey; grades upward to siltstone in upper 2 ft.; includes 0.20.3ft. bed of mediumdarkgray claystone at top; large randomly ori
Shale, mediumdarkgray to black, slabbyweathering, very thin bedded; includes carbonaceous fragments and many thin coal stringers at base; becomes black and carbonaceous. near middle; lower contact uneven and wavy  3.0
Coal, blocky; includes darkgray carbonaceous shale partings 0. 1 ft. thick at 0.6 ft. above base and 0.4ft. thick at 1.1 ft. above base; 0.25ft. lenticular bed of mediumbrown pyroclastic siltstone with many coal fragments at 2.6 ft. above base  4.5
Siltstone, and interbedded sandstone; siltstone, medium lightto mediumgray (wet), slabbyweathering, laminated to very thin bedded, crossbedded (very small scale), clayey; small carbonaceous plant fragments; sandstone, mediumgray (wet), slabby weathering,
Coal, includes at base 1.25ft. blocky coal bed with common blebs of amber; at least 4 partings of mediumdarkgray thinbedded shale up to 0.6 ft. thick (mostly in upper part); lenses and partings of mediumbrown obscurely bedded very silty claystone wi th n
Sandstone, mediumlight to mediumgray (wet), slabby weathering, massiveappearing, probably very thin bedded, obscurely thinbedded near top, fine to very fine grained, subangular, silty, clayey; includes few large contorted lenseshaped coaly fragments; sha
Shale, medium to mediumdarkgray (wet), massive, silty; includes 0.5ft. bed of mediumgray hard noncalcareous siltstone with abundant small carbonaceous fragments at 0.9 ft. below top; coal stringers and darkgray platy carbonaceous partings in upper 0.9 ft
Coal, blocky; includes palebrown to mediumdarkgray lenticular shale parting, up to 0.5 ft. thick, of pyroclastic origin at 0.9 ft. above base; dark gray shale parting 0.2 ft. thick at 0.1 ft. below top  1.8
Sandstone, lightgray, partly ironstained. blocky weathering, thin to mediumbedded, soft, friable, partly limy, fine to mediumgrained, subangular, silty, clayey; poorly observedestimated 15.0
Sandstone, mediumlightgray, prominently crossbedded, soft, very friable to well indurated, locally partly limy, fine to mediumgrained (some coarse grains), subangular to subrounded; includes scattered pebble conglomerate lenses, up to 0.1 ft. thick, in b
Coal, common blebs of amber; includes 0.25ft. bed of mediumdarkgray carbonaceous sandy siltstone at 1.7 ft. above the base; some thin partings of brown pyroclastic material  3.1
Sandstone, mediumgray, blockyweathering, obscurely thin to platybedded, very fine grained, subangular, silty, clayey; includes 0.5ft. beds of shale at base and top; at 0.8 ft. above base a 0.5ft. coal lense underlain by a thin bed of claystone (1P21)   4
Coal, mostly bony; some bright streaks; includes 0.05ft. parting of brownishgray siltstone at 0.15 ft. above base  0.6
Shale, mediumdarkgray, hacklyweathering, obscurely bedded) silty some plant fragments; lower contact gradational  1.0
Sandstone, mediumgray, slabbyweathering, obscurely thin bedded, massiveappearing, crossbedded, soft, partly slightly limy, fine to very fine grained, silty, clayey, very "dirty"; includes ''wisps˜ of carbonaceous material; grades upward to sandy silty sh
Shale, mediumdarkgray, obscurely bedded, silty; no plant fragments  0.4
Siltstone, mediumgray, obscurely bedded, very limy; abundant carbonaceous plant fragments; forms single bed; lower contact sharp  1.1
Shale, mediumdarkgray, carbonaceous  0.2
Shale, mediumdarkgray, obscurely bedded; some carbonaceous fragments  0.6
Coal, mostly bony; few amber blebs; includes 0.2ft. parting of finegrained silty carbonaceous sandstone 2.7
Sandstone, mediumgray, obscurely thinbedded, soft to well indurated, locally partly limy, very fine to coarse grained, subangular to subrounded; locally forms limy concretions up to 5 by 20 ft.; lower 2 ft. grades to very silty shale with plant fragments
Shale, mediumdarkgray, carbonaceous, partly very clayey; includes 0.1ft. impure coal bed at base and brown pyroclastic lenses up to 0.2 ft. thick; unit probably becomes more coaly laterally  1.8
Sandstone, mediumgray, massive, soft, fine to medium grained, subangular, silty, clayey; leaf impressions in part; includes mediumgray shale lenses, up to1 ft. thick, with minor amounts of coal; upper 2.5ft. fine grained, more silty, clayey, and poorly l
Shale, darkgray, platy to thinbedded, slightly silty; abundant carbonaceous plant fragments; includes 0.1ft. coal bed at base; coal stringers at top  1.0
Sandstone, mediumgray, blockyweathering, laminated, crossbedded, massiveappearing, soft, tight, very fine to finegrained, subangular, silty, clayey  2.8
Shale, mediumdarkgray, massive, silty; carbonaceous plant fragments and grains of amber
Coal, includes claystone parting, 0.05 ft. thick at 0.5ft. above base; very thin brown partings of possible pyroclastic origin in upper 0.5 ft.  3.0
Claystone, mediumgray, hacklyweathering, obscurely bedded, silty; some carbonaceous plant fragments  0.9
Sandstone, mediumgray, slabbyweathering, massiveappearing, locally indistinctly crossbeaded, poorly indurated, fine to very fine grained, subangular, silty, clayey; becomes more silty and finer grained in upper half; includes carbonaceous laminations in
Shale, mediumgray, partly ironstained, obscurely bedded, silty; carbonaceous plant fragments  1.4
Coal, common amber blebs; mediumbrown lenses of pyroclastic origin, up to 0.05 ft. thick in upper 0.5 ft.  1.5
Shale, mediumdarkgray, locally ironstained, loose shardlike weathering, lenticular; some carbonaceous plant fragments; includes discontinuous coal bed, 0.05 ft. thick, at base  0.2  0.5
Shale, (1P6)*, mediumdark gray, blockyweathering, obscurely bedded, silty; many randomly oriented very thin carbonaceous stringers, coal stingers, and coal films; lower contact gradational1 .6
Sandstone, mediumlightgray, obscurely crossbedded, coarse to finegrained, subangular to subrounded, silty, clayey; becomes finer grained toward top  1.5 Note: The rocks described above probably are separated from those described below by a fault of unkno
Sandstone, mediumlightgray, slightly ironstained, slabbyweathering, massive to locally very thinly crossbedded, fine to mediumgrained, subangular to subrounded, silty; becomes very fine grained and silty at top; includes scattered coal lenses; overlain b
Coal, blocky, weathered 1.4
Siltstone, mediumgray, brownishgray (upper 0.3 ft.), ironstained, hacklyweathering, obscurely bedded, clayey; includes 0.05ft. bed of darkgray very carbonaceous shale about 0.5 ft. above base; ironstone nodules up to 0.2 ft. thick at 10 ft. above base; i
Sandstone, mediumlightgray, ironstained, obscurely bedded, very fine grained. Subangular to subrounded, clayey; contact fairly sharp  1.1
Siltstone, mediumgray, partly ironstained, hacklyweathering, very clayey; carbonaceous plant fragments; includes thin interbeds of mediumgray silty shale; ironstone nodules up to 0.2 ft. thick at 2 and 9 ft. above base  12.0
Sandstone, mediumgray (wet), slabbyweathering, obscurely bedded, very friable, very fine grained, subangular to subrounded, slightly silty  2.7
Ironstone, mediumgray, nodular(?); many plant fragments  0.5
Siltstone, mediumgray, locally very ironstained, hackly weathering, obscurely bedded, clayey; carbonaceous plant fragments; lower contact sharp  4.8
Sandstone, mediumgray, slightly ironstained, slabby to massiveweathering, very friable, fine to medium grained, subangular to sub rounded; lower contact sharp  4.0
Sandstone, mediumgray to olivegray, blocky to platy weathering, hard, very fine grained, subangular to subrounded, very silty, clayey; abundant plant fragments; lower contact sharp  0.65
Sandstone, mediumlightgray, partly very ironstained, thinbedded, prominently crossbedded (bedding appears contorted in upper half), friable, mediumgrained (basal part) becoming finer grained upward, subangular to subrounded; locally includes concretionar
Coal, blocky; bony at base and top  0.5
Sandstone, mediumgray, bluishgray slabbyweathering, probably very thin bedded, eventextured, very fine to finegrained, subangular to subrounded. very clayey; some carbonaceous plant fragments  8.9
Shale, darkgray; abundant plant fragments; includes large coalified logs at top  0.4
Coal, weathered; includes some bony coal partings; locally appears to have one lenticular parting above middle (not accessible)  4.25
Siltstone, mediumgray, partly ironstained, platy to hacklyweathering, obscurely bedded, hard, clayey; carbonaceous plant fragments; includes ironstone nodules up to 1 ft. thick about  3 ft. below top; lower contact gradational  5.0
Sandstone, mediumgray, slabby to hacklyweathering, laminated to very thin bedded, partly friable, very fine to coarsegrained, subangular to subrounded, clayey; very fine grained and very clayey in upper half; includes coal stringers and carbonaceous lami
Siltstone, mediumgray, platy to hacklyweathering, poor platy to very thin bedded, clayey; many carbonaceous plant fragments; lower contact fairly sharp  2.7
Sandstone, mediumgray, slabbyweathering, mostly thin bedded, very fine to finegrained, subangular to subrounded, clayey; includes near middle few thin beds of mediumgray siltstone with carbonaceous plant fragments; lower contact sharp  4.0
Siltstone, mediumgray, partly ironstained, platy to hackly weathering, poor platybedded, clayey; carbonaceous plant fragments 2.0
Shale, black, fissile to platybedded, carbonaceous; abundant plant fragments and bony coal stringers; mediumgray; ironstone lense up to 0.4 ft. thick; lower contact gradational 0.5
Coal, mostly blocky, weathered; probably bony at top and base; no partings 1.3
Shale, (1P206)*, mediumgray, obscurely bedded, silty; many randomly oriented carbonaceous plant fragments; few thin coal stringers near middle and top; includes lenticular bed (0.05 ft. thick) of mediumgray very fine grained sandstone and 0.1ft. bed of d
Sandstone, mediumgray, very ironstained (lower 1 ft.), slabby, platy, and hacklyweathering, locally cliff forming, obscurely very thin to thinbedded, crossbedded, friable, medium to coarsegrained (lower 1ft.) grading upward to very fine to finegrained (u
Siltstone, mediumgray, platy to blockyweathering, poor platybedded, very finely sandy, clayey; many randomly oriented plant fragments; probably cut out by overlying sandstone locally; lower contact sharp 0.8
Sandstone, mediumgray, hackly to blockyweathering, obscurely very thin to thinbedded. very fine grained, subangular to subrounded, mostly micaceous and very clayey; mostly abundant randomly oriented plant fragments 2.3
Shale, mediumgray, slightly ironstained, hackly to platyweathering, silty; few carbonaceous plant fragments; includes ironstone concretions at about 5ft. above base; lower contact gradational  11.3
Sandstone, mediumgray, partly ironstained, poor platyweathering, very thin bedded, partly laminated. crossbedded, very fine grained, clayey; lower contact sharp  4.2
Shale, darkgray, fissile to platybedded, very carbonaceous; abundant plant fragments; lower contact gradational  0.8
Siltstone, mediumgray, hacklyweathering, obscurely bedded, partly laminated to very thin bedded, clayey; abundant carbonaceous plant fragments except in upper 2 ft.; lower contact gradational8.0
Siltstone, medium to light.gray, platyweathering, laminated, clayey; carbonaceous plant fragments; lower contact gradational 2.7
Sandstone, mediumgray, ironstained, probably thinbedded and crossbedded, friable, eventextured, very fine grained, subangular to subrounded; includes laminations of carbonaceous very fine grained sandstone in upper1 ft.; lower contact sharp and uneven (p
Shale, browngray, platy to unevenweathering; abundant plant fragments; locally contains ironstone nodules 0.5
Coal, bony  0.7
Shale, black, platybedded, carbonaceous; many coal stringers +  0.3
Siltstone, mediumgray, hacklyweathering, obscurely laminated, clayey; carbonaceous plant fragments; upper part appears concretionary; lower contact gradational  2.2
Shale, darkbrownishgray, fissile to platybedded, carbonaceous; abundant plant fragments  0.4
Coal, blocky to platyweathering; abundant soft plant fragments  0.8
Shale, darkgray, fissile, carbonaceous; abundant plant fragments  0.5
Sandstone, mediumgray, very fine grained, subangular to subrounded; abundant carbonaceous fragments; thinly interbedded and laminated with mediumgray siltstone  1.2
Shale, mediumgray, slightly ironstained, hacklyweathering; carbonaceous plant fragments; lower contact gradational  2.0
Siltstone, mediumgray, ironstained, hacklyweathering, obscurely bedded, clayey, finely sandy; carbonaceous plant fragments and leaf impressions  3.8
Sandstone, mediumgray, slabby to platyweathering, thin bedded, friable, very fine grained, subangular to subrounded, clayey; many coalified logs  3.5
Sandstone, mediumgray, ironstained, unevenweathering, tough, very fine grained, subangular to subrounded, clayey; abundant carbonaceous plant fragments; many coalified logs  2.3
Coal, good wood texture  0.1
Sandstone, mediumgray, ironstained (especially in lower part), cliffforming, very thin to thinbedded, prominently crossbedded (sets about 1 ft. thick), medium grained (basal part) grading upward to dominantly fine grained (upper 35 ft.), subangular to su
Shale, mediumgray, ironstained; may include ironstone concretions; locally cut out by overlying sandstone; not accessibleestimated 1.0
Coal, blocky; no partings  1.05
Sandstone, and interbedded siltstone; sandstone, medium gray, finegrained, subangular to subrounded, clayey; limy (lower 0.5 ft.); many carbonaceous laminations; forms beds up to 0.3 ft. thick; siltstone, medium gray, hackly to platyweathering, thinbedde
Coal, interbedded with darkbrownishgray carbonaceous shale  0.25
Siltstone, mediumgray, partly ironstained, slabby to hacklyweathering, obscurely bedded, clayey; some plant fragments; lower contact gradational  1.1
Sandstone, mediumgray, slabbyweathering, obscurely bedded, friable, fine to mediumgrained, clayey, slightly silty; becomes very fine grained at top; includes few sandy siltstone bed and coal fragments in upper half; lower contact sharp  2.2
Shale, mediumgray, obscurely bedded; includes thin coal stringers at 0.5 ft. and 0.7 ft. below  top 1.7
Shale, darkbrownishgray to black, very carbonaceous, hard  0.5
Sandstone, darkbrownishgray, very fine to finegrained, subangular to subrounded, very carbonaceous 0.1
Siltstone, darkbrownishgray, obscurely platybedded, hard, sandy, clayey, very carbonaceous  0.3
Sandstone, mediumgray, partly ironstained, thinslabby weathering, obscurely bedded, very friable, fine grained, subangular to subrounded; many carbonaceous laminations and thin coal stringers in upper 0.10.2ft.; lower contact sharp  2.5
Siltstone, mediumgray, lightgrayhacklyweathering, obscurely bedded, very finely sandy (lower part), clayey; some carbonaceous plant fragments; includes in upper 0.6 ft. irregular stringers and thin lenses of very fine grained sandstone and randomly orien
Sandstone, mediumgray, slabbyweathering, obscurely bedded, soft, friable, finegrained, subangular to subrounded, slightly silty; becomes very fine grained at top; lower contact sharp  1.3
Shale, mediumgray, hacklyweathering, obscurely bedded; some carbonaceous plant fragments  2.9
Coal, bony; interbedded darkgray carbonaceous shale  0.2
Siltstone, mediumgray, hackly to slabbyweathering, obscurely bedded, clayey; carbonaceous plant fragments in upper half; lower half includes approximately 1ft. of mediumgray very fine grained clayey sandstone; 0.2ft. bed of darkbrownish gray fissile to p
Shale, mediumdarkgray, platyweathering, poorly fissile, carbonaceous; coal stringers  0.2
Coal, blocky, weathered  0.3
Siltstone, mediumlightgray, hackly to slabbyweathering, obscurely bedded, hard. very finely sandy, clayey; small carbonaceous plant fragments in upper 0.2 ft.; lower contact gradational  2.8
Shale, mediumgray, hacklyweathering, obscurely bedded; lower contact probably gradational  2.7
Sandstone, mediumgray, slabbyweathering, obscurely bedded, very fine grained, subangular to subrounded, silty, massive, very clayey; lower contact sharp  2.0
Siltstone, mediumgray, hacklyweathering, mostly obscurely bedded. partly laminated to very thin bedded. clayey; some smallscale cross bedding; includes few beds of mediumgray very fine grained sandstone 12 ft. thick near middle 10.0
Coal, and interbedded darkgray carbonaceous shale; carbonaceous plant fragments on bedding planes; lower contact sharp  0.2
Sandstone, mediumgray, obscurely bedded, friable, fine grained, subangular to subrounded, silty, clayey; lower contact sharp  1.1
Siltstone, mediumgray, hackly to slabbyweathering, obscurely very thin to thickbedded, clayey; interbedded with very fine grained clayey sandstone; unit about threefourths siltstone  4.7
Shale, mediumgray, obscurely bedded; includes at top 0.05 ft. coal  2.4
Coal, blocky, partly bony  0.5
Shale, mediumgray; abundant carbonaceous plant fragments and coaly stringers at base; lower contact sharp and slightly irregular  0.4
Sandstone, mediumgray, poorly very thin bedded, locally limy and hard, very fine to finegrained, subangular to subrounded; abundant carbonaceous plant fragments in top 0.1 ft.; locally forms resistant ledge; lower contact sharp  2.4
Shale, mediumgray, obscurely bedded, very silty (basal part); some carbonaceous plant fragments; includes 0.1ft. bed of coal and darkgray carbonaceous shale at 1.6 ft. above base; 0.2ft. bed of darkgray carbonaceous shale and coal stringers 2.2 ft. below
Sandstone, mediumgray, slabbyweathering, partly laminated to thinbedded, finegrained, subangular to subrounded; becomes very fine grained and clayey in upper 1 ft.; few carbonaceous plant fragments in upper part; lower contact sharp 3.5
Siltstone, mediumgray, partly ironstained, platyweathering, very thin to thinbedded; sandy in lower part, clayey; carbonaceous plant fragments on bedding planes in lower part; includes 0.05ft. bed of darkgray very carbonaceous siltstone at 0.6 ft. above
Coal, blocky 0.7
Siltstone, darkbrownishgray, very thin bedded, laminated, clayey; abundant small carbonaceous plant fragments; lower contact gradational  .05
Sandstone, mediumgray, thinslabbyweathering, very fine grained, subangular to subrounded, silty, clayey 1.5
Shale, darkgray, fissile, carbonaceous; abundant small plant fragments  0.2
Shale, mediumgray, slabby to hacklyweathering, probably very fine bedded, very silty; includes 1 pebble near middle  4.8
Shale, carbonaceous; includes some bony coal  0.4
Siltstone, mediumgray, slabbyweathering, obscurely bedded, sandy, clayey; no carbonaceous plant fragments seen; 1lower contact gradational  1.3
Sandstone, mediumgray, mostly thinslabbyweathering, friable, soft, very fine grained, subangular to Subrounded, clayey in lower part; lower contact probably gradational  5.6
Shale, mediumgray, hacklyweathering; small carbonaceous plant fragments  1.0
Coal, Cooper bed, blocky. no partings  2.4
Shale, (1P183)*, mediumgray, hacklyweathering, platy bedded; ironstone nodules about 0.2 ft. thick at 0.2ft. above base  1.5
Claystone, (1P180)*, mediumgray, slight green tint, hackly to poorly conchoidalweathering, obscurely bedded; scattered plant fragments  1.2
Coal, bony, platyweathering; lower contact sharp  0.6
Shale, (1P179)*, mediumgray, hacklyweathering, obscurely platybedded. silty; few carbonaceous plant fragments; includes a 0.2ft. bed of mediumgray finegrained sandstone with scattered plant fragments at 5.5 ft. above base; 2ft. bed of medium gray very fi
Sandstone, mediumgray, ironstained, slabbyweathering, friable, finegrained, subangular to subrounded, slightly silty; rhythmically interbedded with siltstone beds up to 0.05 ft. thick about 0.4 ft. apart  3.9
Sandstone, mediumgray, locally very ironstained, slabby weathering, prominently crossbedded (sets about 3ft. thick), mediumgrained, subangular to subrounded; clayey ironstone nodules 0.3 ft. thick at 3 ft. above base; includes at 2 ft. below top a 2ft. z
Sandstone, mediumgray, thinbedded, very fine to fine grained, subangular to subrounded interbedded with some sandstone similar to below; includes at about 1 ft. below  top a 0.5ft. bed of sandstone containing small ironstone concretions and overlain by a
Sandstone, mediumgray (wet), poorslabbyweathering, very thin bedded, very fine grained, subangular to subrounded, very silty; plant fragments on bedding planes and large leaf impressions near base 3.6
Sandstone, mediumgray, locally ledgeforming, hard, limy, very fine grained, subangular to subrounded, very silty, concretionary; abundant small carbonaceous plant fragments 0.7
Siltstone, and interbedded sandstone; siltstone, mediumgray, platybedded to laminated, clayey, partly carbonaceous; sandstone, mediumlightgray, friable, very fine grained, subangular to subrounded; forms beds 0.10.3 ft. thick ;top of unit carbonaceous si
Sandstone, mediumlightgray, cliff forming, slabbyweathering, massive (basal 3 ft.) to thinbedded, crossbedded, friable, fine to mediumgrained (basal part), finer grained upward, subangular to subrounded, slightly clayey; includes at 2.5 ft. above base a
Shale, darkgray, fissile, carbonaceous; abundant plant fragments; lower contact sharp  0.1
Siltstone, mediumgray, slightly ironstained, hacklyweathering, obscurely bedded. Clayey; some plant fragments; partly interbedded with mediumgray unevenweathering  very fine grained sandstone; includes in middle 0.5ft. zone of interbedded siltstone and d
Coal, bony  0.50
Shale, mediumgray, shardlike to hacklyweathering, obscurely bedded; few  carbonaceous plant fragments; includes near middle ironstone concretions 0.2 ft. thick  2.0
Siltstone, mediumlight+gray, clayey; some carbonaceous plant fragments; thinly  interbedded with mediumgray very fine grained sandstone  3.5
Sandstone, mediumlightgray, slabby to rounded massive weathering, thinbedded, cressbedded (small sale), very fine grained, subangular to angular, silty; concretionary and limy in lower 2 ft.; interbedded with siltstone in upper 3 ft.; lower contact sharp
Sandstone, mediumlightgray, thinbedded, friable, very fine grained, subangular to subrounded; becomes very silty and clayey to ward top; interlaminated with siltstone similar to underlying unit in upper 1 ft.  3.0
Siltstone, and interbedded sandstone; siltstone, medium gray, platybedded to laminated, clayey, partly carbonaceous; sandstone, mediumlightgray, friable, very fine grained, subangular to subrounded; forms beds 0.10.3 ft. thick; top of unit carbonaceous s
Sandstone, mediumlightgray, cliffforming, slabby weathering, massive (basal 3 ft.) to thinbedded, crossbedded, friable, fine to mediumgrained (basal part), finer grained upward, subangular to subrounded, silty, slightly clayey; includes at 2.5 ft. above
Siltstone, mediumgray, slightly ironstained, hackly weathering, obscurely bedded, clayey; some plant fragments; partly interbedded with mediumgray unevenweathering very fine grained sandstone; includes in middle 0.5ft. zone of interbedded siltstone and d
Coal, bony  0.5
Shale, mediumgray, shardlike to hack lyweathering, obscurely bedded; few carbonaceous plant fragments; near middle ironstone concretions 0.2 ft. thick  2.0
Siltstone, mediumlightgray, clayey; some carbonaceous plant fragments; limy interbedded with mediumgray very fine grained sandstone   3.5
Sandstone, mediumlightgray, slabby to rounded massive weathering, thinbedded. crossbedded (small scale),very fine grained, subangular to angular, silty; concretionary and limy in lower 2 ft.; interbedded with siltstone in upper 3 ft.; lower contact sharp
Siltstone, mediumgray, hacklyweathering, slabby thin bedded (obscure), hard, sandy to very sandy, clayey; no plant fragments seen; includes near middle one prominent concretionary ironstone bed (0.2 ft. thick) with abundant plant fragments and leaf impre
Sandstone, mediumgray (wet), massiveappearing, friable, soft, very fine grained, subangular to subrounded, silty, clayey; lower contact sharp and regular  3.3
Siltstone, mediumgray, hacklyweathering, obscurely thinbedded, hard, partly sandy, clayey; ironstone noddles 0.05 ft. thick; includes 2 beds of laminated very fine grained sandstone, 0.7 and 0.3 ft. thick, at 3 and 1 ft. below top, respectively  6.5 Note
Coal, blocky; bony in upper 0.2 ft.; includes 4 lenticular partings (0.2 ft. thick) of darkgray fissile clayey carbonaceous shale, with abundant bony coal stringers, at 1.5, 2, 3, and 3.5 ft. above base; at 0.2 ft. below top a 0.3ft. lenticular parting o
Shale, (1P164)*, mediumgray, poor platybedded (obscure),silty; includes 0.2ft. bed of dark gray carbonaceous shale about 1.1 ft. above base; lower contact probably gradational  4.0
Siltstone, mediumgray, obscurely thinbedded, clayey; few carbonaceous plant fragments; includes some finegrained subangular sandstone near middle  3.4
Coal, bony; includes dark gray carbonaceous shale in lower part  0.4
Siltstone, mediumgray, soft. clayey; few carbonaceous plant fragments  0.7
Sandstone, mediumgray, ironstained, finegrained, subangular to subrounded; few  carbonaceous plant fragments; ironstone nodule~ up to 0.4 ft. thick 0.6
Shale, mediumgray, hacklyweathering; lower contact probably gradational  6.1
Siltstone, Mediumgray, obscurely bedded, hard, clayey; few carbonaceous plant fragments 3.3
Sandstone, mediumgray, partly ironstained, slabby weathering, probably crossbedded, soft, friable, fine grained, subangular to subrounded; upper half includes several beds of sandy siltstone 12.4
Shale, mediumgray, obscurely thinbedded, silty; scattered carbonaceous plant fragments; includes in middle 3 beds of ironstone nodules up to 0.3 ft. thick; grades to siltstone in upper 2 ft. 8.5
Sandstone, mediumgray, partly ironstained, obscurely very thin bedded, friable, finegrained, subangular to subrounded, silty some carbonaceous plant fragments; includes ironstone nodules to 0.2 ft. thick, about 0.1 ft. below top; lower contact sharp 2.7
Shale, mediumgray, platyweathering, platy+bedded, partly silty; some carbonaceous plant fragments on bedding surfaces; includes a 0.2ft. bed of darkgray to black carbonaceous shale at 2.5 ft. above base; lower contact sharp and uneven  4.2
Sandstone, mediumlightgray. partly ironstained (particularly in lower 24 ft.), roundedcliffforming, crossbedded (large scale), partly friable, fine to mediumgrained, subangular to subrounded, partly silty; scattered coal fragments; scarce pebbles; includ
Coal, bony; locally cut out by channeling at base of overlying sandstone  0.2
Siltstone, mediumgray, hacklyweathering, obscurely thin bedded, hard, clayey; some carbonaceous plant fragments; scattered very large coalified tree (?) remains; ironstone nodules in basal part; upper 0.5 ft. becomes brownishgray with abundant plant frag
Coal, mostly blocky; bony in lower and upper 0.2 ft.  0.9
Shale, mediumgray, partly darkbrownishgray to darkgray, hacklyweathering, platy to very thin bedded, hard, partly silty; abundant carbonaceous plant fragments on some bedding surfaces in lower cart; includes at about 34 ft. above base a slumpy 2ft. bed o
Coal, blocky; no partings  0.65 Note: The coal described above is tentatively correlated with a 0.3ft. cony coal bed. beneath a cliffforming sandstone about 10 ft. thick, in a large deeply eroded gully near the northeast corner of sec. 17. T. 6 S.,R. 14
Shale, mediumgray, partly ironstained, hackly to subconchoidal weathering, hard; includes concretions and bony coal stringers  2.6
Coal, bony  0.2
Shale, mediumgray, partly ironstained, hackly to subconchoidalweathering, hard; includes concretions and bone coal stringers up to 0.02 ft. thick  2.3
Coal, bony; includes carbonaceous shale  0.4
Siltstone, mediumgray, poor platy to blockyweathering, obscurely bedded, not limy, clayey; no plant fragments seen; includes thin interbeds and laminations of mediumgray shale  0.7
Siltstone, mediumgray, ironstained, laminated, hard. limy, clayey; ledge former; abundant small carbonaceous plant fragments on bedding surfaces; lower contact sharp 0.5
Sandstone, mediumgray to lightbrown, laminated to thin bedded, very fine grained, subangular, silty. clayey, micaceous; upper 1.4 ft. includes many laminations of siltstone and shale; lower contact sharp  2.4
Sandstone, mediumlightgray, platybedded, partly cross bedded. very fine grained, subangular, silty, clayey; some carbonaceous plant fragments on bedding surfaces; interbedded with siltstone and shale; siltstone dominant in upper half  5.4
Siltstone, medium:gray, poor platy to blockyweathering, obscurely thin bedded, clayey; no plant fragments seen; includes thin interbeds and laminations of mediumgray shale; basal 0.4 ft. limy and forms a slight ledge; small worm burrows (?) in basal part
Siltstone, mediumlightgray, partly laminated to very thin bedded, crossbedded, hard, slightly limy, clayey, includes in upper 1 ft.  laminations and thin beds of mediumgray platy tochunkyweathering shale; Iower contact appears sharp  3.9
Shale, mediumgray, lightgrayweathering, ironstained on joint and fractures, hard, silty; includes many siltstone laminations; similar to underlying shale; lower contact sharp   4.5
Siltstone, mediumlightgray, subconchoidal weathering, clayey; one bed; fractures perpendicular to bedding; no carbonaceous plant fragments; forms lighter color band on hillside  0.5
Shale, mediumgray, ironstained on joints, platy to chunky weathering, very thin bedded, hard, very silty; abundant carbonaceous plant fragments; similar to underlying shale 29.5
Shale, (1P134  basal 1 ft.)*, mediumgray, abundant ironstaining on joints and fractures, lightgray platyto chunkyweathering, fissile to platybedded, conchoidal fracturing, very silty; includes scattered "floating" fine to coarse sand grains and large gra
Shale, mediumbrownishgray, fissile, carbonaceous; includes coaly stringers  0.6
Siltstone, mediumbrown, hard, sandy, clayey, pyroclastic; carbonaceous plant fragments  0.2
Sandstone, mediumgray, lightgrayslabbyweathering, thinbedded, crossbedded, fine to very fine grained, subangular to angular, very silty, very clayey; few small carbonaceous plant fragments; includes interbeds of mediumgray clayey siltstone; few ironstone
Coal, bony; includes black carbonaceous shale  0.1
Coal, impure, platyweathering in upper half to blocky weathering in lower half; top concealed  1.8
Covered, interval 127.
Coal, mostly platyweathering and bony; poorly exposed;1 ft. of blocky ledgeforming coal at 0.3 ft. above base; includes two 0.5ft. beds, at 1.3 ft. above base and 2 f:. below top, of mediumgray fissile shale (2P37)* with abundant carbonaceous plant fragm
Siltstone, mediumgray, hacklyweathering, obscurely bedded; common carbonaceous plant fragments; includes in upper1 ft. some poorly exposed beds of mediumgray very fine grained very silty sandstone with abundant fine white plagioclase (?) crystals+ 5.0
Covered, interval 24.
Siltstone, mediumgray, thinbedded (?), sandy, clayey; abundant plant fragments 1.5
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely bedded, clayey; few carbonaceous plant fragments 4.0
Covered, interval 44.
Siltstone, mediumgray, mostly ironstained, hacklyweathering, obscurely thinbedded, partly sandy, clayey; includes 0.3ft. ironstone nodules 2.5 ft. above base  7.0
Covered, interval 10.
Coal, weathered, blocky in lower half, platy and bony in upper half; lower contact sharp  2.0
Siltstone, mediumgray, hacklyweathering, obscurely thin bedded, clayey, sandy; few carbonaceous plant fragments; includes at base 0.5ft. bed of mediumgray very fine grained sandstone  3.0
Covered, lnterval  80.
Sandstone, mediumgray, very thin bedded, crossbedded, friable, mediumgrained, silty; includes in middle a .2ft. bed of mediumgray indurated sandy siltstone  3.0
Covered, interval; probably includes 0.5 ft. coal bed in lower 23 ft. 18.
Shale, mediumgray, hacklyweathering, obscurely bedded, partly very silty; some carbonaceous plant fragments; includes at base 0.4ft. bed of darkbrownishgray probably platybedded shale with bony coal stringers and abundant carbonaceous material  3.2
Coal, mostly blocky; appears bony in top 0.5 ft and basal 0.5 ft.  3.5
Shale, deeply weathered; includes 0.5ft. nodular iron stone bed  1.0
Siltstone, mediumgray, much ironstained, very thin bedded, partly very finely sandy  5.0
Covered, interval 13.
Coal, blocky; includes at base and top 0.2ft. beds of medium to mediumdarkgray partly ironstained fissile to platy bedded carbonaceous shale with abundant plant fragments; lower contact sharp  1.2
Sandstone, mediumgrained, hacklyweathering, very fi e grained, very silty, clayey  2.0
Covered, interval 16.
Shale, mediumgray, very thin bedded to fissile; abundant carbonaceous plant fragments; abundant large plant fragments in lower 0.3 ft.; includes 0.2ft. blocky coal bed 0.4 ft. below top  0.9
Covered, interval 2.7
Coal, weathered, bony in lower half, blocky in upper half; abundant woody fragments in lower half 1.0
Shale, mediumgray, hacklyweathering, very silty; common carbonaceous plant fragments; includes ironstone nodules up to 0.5 ft. thick with abundant plant fragments 1.0
Siltstone, and interbedded sandstone; siltstone, medium gray, partly ironstained, hacklyweathering, obscurely very thin bedded, partly very finely sandy; few carbonaceous plant fragments; sandstone, mediumgray, partly ironstained, friable, very fine grai
Shale, darkgray to black, fissile, carbonaceous; common carbonaceous plant fragments; includes bony coal stringers up to 0.1 ft. thick  0.5
Siltstone, mediumgray, ironstained, hacklyweathering, obscurely bedded, clayey; few plant fragments  2.4
Sandstone, mediumgray, partly ironstained, obscurely thin bedded, friable, very fine to finegrained, silty; includes finely interbedded mediumgray siltstone; lower contact sharp 3.6
Siltstone, mediumgray, ironstained, hacklyweathering, poor very thin to thinbedded; few small plant fragments; large bony coalified tree remains at base  2.2
Shale, and interbedded coal; shale, mediumgray, obscurely bedded, partly silty, clayey; common carbonaceous plant fragments; coal, very bony, includes black carbonaceous shale laminations in part; unit includes at base 0.2ft. bed of darkgray carbonaceous
Coal, blocky; includes at 1.1 ft. above base 0.3ft. bed of deeply weathered mediumgray ironstained probably fissile shale with abundant coal stringers and carbonaceous plant fragments; few very thin beds or partings of bony coal in lower block; lower con
Siltstone, mediumgray, hacklyweathering, obscurely bedded, probably very thin bedded; few carbonaceous plant fragments; scattered mediumgray clayey ironstone nodules up to 0.5 ft. thick in lower 5.5 ft.; includes at 1 ft. below top 0.5ft. bed of mediumgr
Sandstone, mediumgray, slabbyweathering, obscurely thin bedded, friable, very fine grained, silty; includes mediumgray siltstone beds up to 0.2 ft. thick near middle and in upper onethird of unit; lower contact sharp  2.6
Siltstone, mediumlightgray, lenticular, partly platy bedded, limy; few carbonaceous plant fragments; lower contact sharp  1.0
Siltstone, mediumgray, hackly to shardlikeweathering in upper part, very thin to thinbedded, very sandy in upper part, clayey; few carbonaceous plant fragments; includes two 0.5ft. beds of mediumlightgray very fine grained locally limy sandstone about 1.
Shale, darkgray, fissile to platy~bedded, fairly hard, tough, silty, carbonaceous; includes some very thin coal stringers; mediumgray hard limy siltstone concretions with many leaf impressions  0.9
Shale, mediumdarkgray, probably platyweathering, fissile to platybedded; many carbonaceous plant fragments on bedding  0.6
Coal, partly bony; includes near middle 0.05ft. parting of darkgray shale  1.1
Shale, darkgray, fissileweathering, carbonaceous  1.5
Coal, mostly bony 1.1
Shale, (2P11 )*, mediumgray, obscurely bedded, clayey; many carbonaceous plant fragments; includes 0.05ft. bony coal stringer near top  0.7
Shale, darkgray to black, platybedded, very carbonaceous; includes thin bony coal stringers; lower contact gradational  0.5
Siltstone, mediumgray, platy to hacklyweathering, very thin bedded, clayey, finely sandy; lower contact probably gradational  1.6
Sandstone, mediumgray, slabbyweathering, obscurely very thin bedded, friable, very fine grained, silty; few thin pieces of coal; lower contact sharp  1.4
Siltstone, and interbedded shale; medium to mediumdarkgray, hacklyweathering in lower half, hackly to platy weathering in upper half, laminated to thinbedded, clayey; some small carbonaceous plant fragments; lower contact sharp  4.5
Sandstone, mediumgray, thinbedded to laminated, cross bedded, friable, very fine grained, silty; large iron replaced coalified wood fragments; laminations of carbonaceous material; lower contact sharp  2.0
Siltstone, mediumdarkgray, platybedded, very clayey; abundant carbonaceous plant fragments; includes coal stringers  0.5
Coal, platyweathering  0.3
Sandstone, mediumgray, thinbedded, indurated, very fine grained, clayey, very silty; abundant plant fragments; includes beds, up to 0.2 ft. thick, of mediumgray siltstone with abundant leaf impressions in part; unit becomes principally sandy siltstone in
Sandstone, mediumgray, ironstained, slabbyweathering, cliffforming, thinbedded and crossbedded in upper part, mostly very friable, finegrained to very fine grained in upper part, locally limy and concretionary, silty; scattered carbonaceous wood fragment
Coal, blocky; includes at base 0.2ft. bed of darkgray to darkbrownishgray carbonaceous shale with very thin coal stringers; lower contact sharp  1.8
Siltstone, mediumgray, obscurely bedded, clayey; includes at 3.3 ft. below top 0.8ft. bed of mediumgray slabby weathering laminated very fine grained silty sandstone; at 1.5 ft. below top 0.5ft. bed of mediumgray silty shale with plant fragments; lower c
Sandstone, mediumgray, slabbyweathering, friable, very fine grained, very silty; lower contact gradational  0.5
Siltstone, medium to mediumdarkgray, hacklyweathering, laminated, very finely sandy, clayey; lower contact gradational  0.5
Shale, mediumgray, hacklyweathering, obscurely bedded, probably thinbedded, clayey, very silty; few carbonaceous plant fragments; includes at base 0.2ft. bed of darkgray carbonaceous shale  1.5
Siltstone, mediumgray, blockyweathering in lower half, platyweathering in upper half, partly obscurely bedded, laminated in upper half, clayey, sandy in upper half; leaf impressions and randomly oriented coaly fragments (twigs) in upper half; includes 0.
Shale, mediumdarkgray to black, fissile, hard; abundant carbonaceous plant fragments  1.0
Coal, platyweathering; some fusain (?) films  1.5
Coal , bony; interbedded wi th mediumdark gray carbonaceous shale; lower contact sharp 0.1
Sandstone, mediumgray, slabby~weathering, obscurely laminated to very thin bedded, crossbedded, friable, hard in part, very fine grained, subangular to subrounded, silty, partly clayey, micaceous in upper 0.9 ft.; abundant plant fragments in upper 0.9 ft
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely bedded, probably very thin bedded, hard, clayey; few plant fragments; includes mediumgray hard shale interbeds with abundant plant fragments in lower 2 ft.; slightly limy ironstone no
Sandstone, mediumgray, slightly bluish when wet, slabbyweathering, obscurely thinbedded, partly laminated about 6 ft. above base. very fine to fi negrained, subangular to subrounded, silty, clayey; no carbonaceous plant fragments seen; includes interbeds
Siltstone, and interbedded sandstone; siltstone, mediumgray, partly ironstained, obscurely bedded, hard, clayey; few carbonaceous plant fragments; sandstone, mediumgray, partly ironstained, friable, very fine to finegrained, subangular to subrounded, sil
Coal, weathered, blocky  1.7
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely very thin bedded, clayey; some carbonaceous plant fragments; includes some sandstone interbeds similar to underlying unit; at top a 0.3ft. bed of mediumdarkgray silty shale with abund
Sandstone, mediumgray, partly ironstained, platy to thin bedded, hard, very fine grained, subangular to subrounded, silty, clayey; some carbonaceous plant fragments; includes siltstone interbeds in upper 1 ft.  3.4
Shale, black, fissile to platybedded, carbonaceous; abundant carbonaceous plant material; lower contact sharp  0.1
Shale, mediumgray, obscurely bedded, hard, silty; some carbonaceous plant fragments; 0.5ft. bed of siltstone at base; lower contact gradational  3.0
Sandstone, mediumgray, partly ironstained, very thin bedded to partly laminated, crossbedded, very fine to fine grained, subangular to subrounded, silty, clayey; some carbonaceous laminations; lower contact sharp  2.5
Shale, mediumdarkgray, fissile to platybedded, hard, silty; abundant plant fragments on bedding surfaces; includes a 0.2ft. bone coal near middle; large coalified logs in upper part; lower contact sharp  9.0
OF-75-383-Sec-4
Sandstone, mediumgray, obscurely bedded, mostly friable, very fine grained, subangular, silty; lower contact sharp 1.1
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_4.pdf
Shale, mediumgray, obscurely bedded, sandy, clayey  0.8
Coal, fairly blocky; includes at 0.8 ft. above base a 0.3ft. parting of brownishgray siltstone with carbonaceous plant fragments  2.8
Beluga Formation (upper part)
OF-75-383-Sec-5
Shale, burned red to orange, slumpyestimated 8.0
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_5.pdf
Coal, coal ash, carbonaceous shale, bone coal, and yellow to brownishorange burned shale; slumpy; probably represents a 35ft. coal bed with several partingsabout 3.0
Shale, darkgray, poor fissile to platybedded, carbonaceous; abundant coal films; upper half grades to very bony coal; lower contact gradational  0.5
Shale, (5P29)*, mediumgray, local ledgeforming, poor fissile to poor platybedded, clayey; abundant small carbonaceous plant fragments 1.0
Coal, and interbedded carbonaceous siltstone; lower contact sharp  0.2
Siltstone, mediumgray, obscurely bedded; common carbonaceous plant fragments, mostly randomly oriented; lower contact fairly sharp  1.4
Sandstone, mediumgray, platyweathering, laminated to very thin bedded, friable to very friable, very fine grained, subangular, very silty; locally common carbonaceous plant fragments, some randomly oriented; lower contact gradational  2.6
Sandstone, mediumgray, platyweathering, laminated to very thin bedded, friable in few thin beds in upper half, very fine grained, subangular, mostly clayey, very silty; includes some interbeds of mediumgray siltstone, principally in lower 1 ft.; lower co
OF-75-383-Sec-7
Sandstone, mediumdarkbluishgray, partly ironstained, slabbyweathering, obscurely bedded, friable, medium to coarsegrained at base becoming very fine to fine grained at top, subangular, very silty, very clayey; abundant darkgray shale flakes; lower contac
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_7.pdf
Shale, and interbedded siltstone; shale, mediumdarkbluish gray, obscurely bedded, silty; some plant fragments; siltstone, mediumdarkbluishgray, obscurely bedded, clayey, sandy; some plant fragments; unit weathers hackly to chunky  4.2
Siltstone, brownishgray to mediumgray, poor platybedded, carbonaceous; many plant fragments; probably pinches out in short lateral distance  0.2
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, mostly friable, medium to coarse grained in basal 1 ft. becoming fine to mediumgrained about 3.5 ft. above base, subangular, very silty, very clayey; composed mostly of darkgray shale f
Shale, medium to darkgray, poor fissile to platybedded, very silty; many plant fragments on bedding surfaces; lower contact fairly sharp 0.3 0.7
Coal, blocky; bony in upper 0.1 ft.; includes at 0.1 ft. below top 0.2ft. bed of black fissile carbonaceous shale with abundant plant fragments  1.0
Shale, black to mediumdarkgray, fissile, carbonaceous, silty; abundant carbonaceous plant fragments; lower contact gradational .5
Sandstone, mediumgray, slabbyweathering, laminated to very thin bedded, friable, very fine grained, very silty and clayey; lower half includes beds and lenses, up to 0.1ft. thick, of medium to coarsegrained sandstone and 0.05ft. beds of sandstone with ab
Shale, medium to mediumdarkgray, hacklyweathering, obscurely thinbedded, mostly silty, clayey; at about 3 ft. below top includes mediumgray limy siltstone concretions, about 1 ft. thick, with common plant fragments 16.0
Coal, bony; lower contact fairly sharp  0.050.1
Sandstone, mediumgray, poor slabbyweathering, laminated to thinbedded, very friable, very fine grained, silty; includes laminations of carbonaceous material; 0.5ft. bed of medium to mediumdarkgray shale at 1.4 ft. above base; lower contact sharp  3.2
Siltstone, mediumgray, hacklyweathering, obscurely thin bedded; scattered carbonaceous plant fragments; lower contact gradational  0.5
Siltstone, mediumgray to brownishgray, platyweathering, ledgeforming, hard, limy; abundant leaf impressions  1.0
Siltstone, mediumgray, hacklyweathering, obscurely thin bedded; scattered carbonaceous plant fragments; includes few 0.1lft. ironstone nodules near middle; lower contact fairly sharp  7.3
Sandstone, mediumgray, very thin bedded to laminated, very fine grained, very silty and clayey; upper half includes interbeds of mediumgray laminated very finely sandy siltstone  3.0
Siltstone, mediumgray, ledgeforming, hard, nodular, limy; abundant plant fragments  0.6
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely bedded in lower part, mostly very thin bedded, finely sandy  10.7
Coal, Cooper bed, blocky, platyweathering in upper 12 ft.  5.4
Coal, (upper coal at locality 126 of Barnes and Cobb, 1959),platyweathering; includes at 0.4 ft. above base a parting as much as 0.3 ft. thick of lightbrownishgray partly ironstained hard clayey siltstone that weathers lightgray and contains pyroclastic
Sandstone, mediumgray, poor platyweathering, obscurely very thin bedded, friable, very fine grained, subangular to subrounded, partly silty, slightly clayey; becomes mediumli htgray, clayey siltstone in upper half; includes large randomly oriented coaly
Siltstone, (3P72)*, mediumgray, partly ironstained, hacklyweathering, obscurely very thin bedded, hard, clayey; locally abundant carbonaceous plant fragments; few leaf impressions near top; includes 0.3ft. bed of mediumdarkgray fissile carbonaceous shale
Coal, bony; lower contact sharp  0.5
Siltstone, mediumgray, partly ironstained, very thin bedded, hard, very sandy, clayey; locally abundant carbonaceous plant fragments; few very thin coal stringers; lower contact gradational  2.0
Sandstone, mediumgray, mostly ironstained, poor slabby weathering, obscurely bedded, friable, fine to medium grained in lower 2 ft., very fine grained in upper 1.5ft., subangular to subrounded, slightly silty; scattered carbonaceous plant fragments; lowe
Shale, black, partly ironstained~ fissile to platybedded, carbonaceous; coalified wood  fragments; lower contact gradational  0.3
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely very thin bedded, clayey, partly micaceous ,partly sandy; few carbonaceous plant fragments  5.0
Coal, bony; lower contact sharp  0.2
Sandstone, and interbedded siltstone; sandstone, medium gray, partly ironstained, poor slabbyweathering, very thin bedded, friable, very fine to finegrained, subangular to subrounded, silty, partly clayey; forms beds to 2 ft. thick; siltstone, mediumgray
Sandstone, mediumgray, partly ironstained, poor slabbyweathering, very thin bedded, friable, very fine to finegrained, subangular to subrounded, silty, slightly clayey  1.0
Siltstone, and interbedded sandstone; siltstone, mediumgray, blockyweathering, obscurely bedded, clayey; sandstone, mediumgray, partly ironstained, very fine grained, subangular to subrounded, clayey; abundant carbonaceous plant fragments; lower contact
Sandstone, mediumgray, poor slabbyweathering, obscurely bedded, friable, very fine to finegrained, subangular to subrounded; lower contact poorly observed  3.0
Siltstone, and interbedded sandstone; siltstone, mediumgray, blockyweathering, obscurely bedded, hard, clayey, partly sandy; few carbonaceous plant fragments; sandstone, mediumgray, thinbedded, very fine grained, subangular, silty, clayey; restricted to
Sandstone, mediumgray, partly ironstained, poor slabbyweathering, very thin bedded, cross beaded in part, friable, very fine to finegrained, subangular to subrounded; includes a 2ft. interval of interbedded very fine grained clayey sandstone and soft cla
Siltstone, and interbedded sandstone; siltstone, mediumgray, platyweathering, very thin bedded to partly laminated, clayey; few carbonaceous plant fragments; sandstone, mediumgray, partly ironstained, very thin bedded, friab1e, very fine to finegrained,
Siltstone, mediumgray, partly ironstained, platyweathering, very thin bedded to partly laminated, clayey, partly micaceous; few carbonaceous plant fragments; includes a 0.05ft. mediumdarkgray fissile carbonaceous shape about 4 ft. above base, a 0.5ft. da
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly ironstained, platyweathering,  very thin bedded to laminated, very fine grained, subangular to subrounded, clayey, silty; locally abundant carbonaceous plant fragments (few in growth pos
Shale, darkgray to black, poorly fissile to platybedded, carbonaceous; includes bony coal stringers in upper half; lower contact sharp  0.5
Shale, mediumgray, hacklyweathering, poorly very thin bedded, slightly silty; many small carbonaceous plant fragments  1.9
Coal, blocky; includes a 0.2ft. parting of darkgray to black ironstained fissile to poor platybedded carbonaceous shale at 1.3 ft. above base; lower contact sharp  4.0
Siltstone, mediumgray, partly ironstained. platyweathering, laminated to very thin bedded, clayey, partly finely sandy; many small and some large coaly plant fragments and ironreplaced wood fragments (some in growth position?); one coaly stump (?) extend
Shale, medium to darkgray, fissile, carbonaceous in part;, abundant plant remains; includes bony coal lenses up to 0.05 ft. thick; lower contact sharp 0.10.3
Siltstone, mediumgray, blocky to poor platyweathering, obscurely bedded, slightly clayey; abundant plant remains; lower contact gradational  1.8
Sandstone, mediumgray, partly ironstained, slabbyweathering in lower part, blocky and platyweathering in upper part, very thin bedded and crossbedded in lower 2.3 ft., laminated in upper 1.3 ft., very fine grained, subangular, silty; scattered carbonaceo
Sandstone, mediumgray, very ironstained in lower 4 ft., very thin to thinbedded in lower 3 ft., crossbedded, friable, fine to mediumgrained becoming dominantly fine grained in upper third, subangular to subrounded; many dark rock fragments; includes scat
Siltstone, and interbedded sandstone; siltstone, mediumgray, partly ironstained, poor platybedded, clayey; plant fragments, leaf impressions; sandstone, mediumgray, partly ironstained, poor platyweathering, friable in part, very fine grained, subangular
Coal, bony  0.1
Shale, mediumgray, hacklyweathering, obscurely bedded, silty; many carbonaceous plant fragments; many leaf impressions in upper part; becomes darkgray to black and very carbonaceous in middle  1.7
Coal, weathered, blocky; includes a 0.5ft. medium to dark gray shale parting 0.5 ft. below top  3.1
Shale, (3P44)*, mediumgray, darkgray in upper 0.2 ft.,poor platy to hacklyweathering, obscurely  bedded, silty; abundant plant fragments; lower contact gradational  1.8
Siltstone, mediumgray, partly lightly ironstained, poor platyweathering, obscurely bedded, clayey, sandy in lower half; abundant plant fragments; lower contact sharp  4.8
Sandstone, mediumgray, laminated in part, more friable than underlying sandstone, very fine grained, subangular to subrounded; includes carbonaceous laminations  1.4
Sandstone, mediumgray, platy to hacklyweathering, obscurely bedded, very fine grained, subangular to subrounded, very clayey; includes several mediumgray clayey siltstone interbeds  1.6
Siltstone, mediumlightgray, partly ironstained, platy to very thin bedded, clayey, sandy; common plant fragments randomly oriented in part; abundant leaf impressions in upper 0.1 ft.; lower contact gradational  3.2
Sandstone, mediumgray, partly ironstained, platy to hacklyweathering, poor platy to very thin bedded, hard, very fine grained, subangular, very clayey, silty; upper half becomes sandy siltstone; plant fragments in upper part; lower contact fairly sharp
Sandstone, mediumgray, partly ironstained, partly platyweathering, very thin to thinbedded, crossbedded, very fine grained, subangular, silty, slightly clayey  1.4
Sandstone, mediumgray in upper half, mostly ironstained in lower half, poor slabbyweathering, probably thin bedded and crossbedded, friable, medium to coarse grained, subrounded to subangular, slightly silty; locally includes at base granules, pebbles, a
Coal, blocky  0.7
Shale, mediumgray, platybedded; includes many coal stringers and carbonaceous plant fragments  0.6
Coal, blocky  0.2
Siltstone, mediumgray, partly ironstained, obscurely bedded. hard. clayey; many carbonaceous plant fragments randomly oriented; lower contact sharp  0.2
Sandstone, mediumgray, partly ironstained, obscurely very thin bedded, very fine grained, subangular to subrounded, silty, clayey; includes coal fragments in lower part; lower contact sharp  9.0
Siltstone, mediumgray, obscurely bedded, very clayey; scattered to abundant plant fragments; some leaf impressions about 3 ft. above base; includes few ironstone nodules at 4 ft. above base; few ironstained very fine grained sandstone beds in upper 2 ft.
Sandstone, mediumgray, very ironstained, obscurely thin bedded to laminated, partly friable, very fine to fine grained, subangular to subrounded, silty; carbonaceous plant material in lower and middle parts; includes at base a 0.3ft. bed of mediumgray ir
Coal, bony; coaly wood fragments in basal part; lower contact sharp  0.3
Siltstone, mediumgray, partly ironstained, platy to hacklyweathering, laminated to very thin bedded in lower half, obscurely bedded in upper half; few small carbonaceous plant fragments; includes few  thin interbeds of very fine grained subangular silty
Shale, darkgray, carbonaceous; includes bony coal (large flattened coalified logs)  0.5
Siltstone, mediumgray, slightly ironstained, hacklyweathering, obscurely very thin bedded, clayey, finely sandy; few plant fragments; lower contact sharp and uneven 6.6
Coal, weathered, mostly bony; includes flattened logs in basal part; a 0.4ft. bed of black carbonaceous shale 0.8 ft. above base; lower contact sharp and wavy  3.2
Siltstone, medium to mediumlightgray, ironstained, platy to unevenweathering, laminated in upper part, hard, clayey; locally common plant fragments; leaf impressions in basal 1 ft.; includes very fine grained subangular silty clayey sandstone interbeds i
Siltstone, medium to darkgray, platybedded, carbonaceous lower half abundant plant fragments and coal stringers in upper half; lower contact sharp  0.5
Sandstone, mediumgray, ironstained, platy to uneven weathering, very thin bedded, hard, very fine grained, subangular, silty, clayey; locally abundant plant fragments  3.5
Siltstone, mediumgray, partly ironstained, platybedded, clayey, partly sandy; locally abundant plant fragments and leaf impressions; lower contact gradational  1.1
Siltstone, darkgray, platybedded, clayey, carbonaceous; abundant plant fragments; scattered coaly stringers; lower contact fairly sharp 0.6
Sandstone, mediumgray, very ironstained, platy to very thin bedded, very fine grained, subangular to subrounded, silty, very clayey; locally abundant carbonaceous plant fragments; 0.5ft. bed of hard iron cemented (?) clayey siltstone at base; includes si
Siltstone, medium to darkgray, partly ironstained, platy bedded in part, hard, clayey, carbonaceous in part; abundant carbonaceous plant fragments (mostly leaves); includes bony coal stringers at base; lower contact sharp  0.8
Sandstone, mediumgray. partly ironstained, platyweathering, laminated, hard, very fine grained, subangular to subrounded, very silty, clayey; locally abundant carbonaceous laminations interbedded with mediumgrays slabbyweathering obscurely bedded friable
Sandstone, mediumgray, ironstained, obscurely bedded, friable, very fine to finegrained, subangular to subrounded; lower contact sharp  0.5
Sandstone, mediumgray, chunky to hacklyweathering, partly laminated, mostly obscurely very thin to thinbedded, partly friable, very fine grained, subangular to subrounded, silty, clayey; upper half becomes mostly sandy siltstone with some carbonaceous pl
Siltstone, mediumgray, locally ironstained, obscurely bedded, clayey; some carbonaceous plant fragments locally; includes ironstone nodules, up to 0.5 ft. thick,  near middle and at top; few interbeds of medium gray shale and very fine grained sandstone
Covered, interval  6.2
Siltstone, mediumgray, obscurely thinbedded, clayey, partly sandy in upper half; locally abundant carbonaceous plant fragments; includes a 0.7ft. bed of mediumlightgray friable very fine grained subangular silty sandstone at 1.5 ft. above base; scattered
Siltstone, mediumgray to brownishgray, partly iron stained, blockyweathering, laminated to very thin bedded, clayey, partly finely sandy; few carbonaceous plant fragments; includes hard limy concretions in upper 0.5 ft.; lower contact sharp  1.5
Sandstone, mediumgray, partly ironstained, obscurely very thin to thinbedded, friable, very fine to fine grained, subrounded to subangular; includes shale lenses up to 0.05 by 0.3 ft. in lower 1 ft.; lower contact sharp  4.5
Shale, mediumgray, obscurely very thin bedded; locally abundant plant fragments; includes ironstone nodules,0.1 ft. thick, at 3 ft. above base; interbeds of friable very fine grained subangular sandstone in upper 0.5 ft.; lower contact fairly sharp  4.6
Siltstone, mediumgray to brownishgray, locally strongly ironstained, platy to unevenweathering, very thin bedded, clayey; lower contact fairly sharp  2.5
Sandstone, mediumgray to brownishgray, slightly iron stained in upper 0.5 ft., very thin bedded, very fine grained, subangular, very silty, very clayey; abundant carbonaceous plant fragments; includes 2 thin beds of friable sandstone in upper 1 ft.; lowe
Siltstone, mediumgray, chunky to poor platyweathering, very thin to thinbedded, sandy in upper part; some carbonaceous plant fragments 1.9
Shale, mediumdark to darkgray, carbonaceous; common carbonaceous plant fragments; includes abundant bony coal stringers in upper 0.1 ft.  0.45
Coal, dull, blocky; lower contact sharp  0.2
Siltstone, mediumgray, slabbyweathering, clayey in lower part becoming sandy in upper part; common carbonaceous plant fragments, mostly randomly oriented; includes 0.3ft. bed of mediumgray fairly friable very fine grained silty sandstone at top  5.5
Sandstone, and interbedded siltstone; sandstone, mediumgray, platyweathering, very thin bedded, partly laminated, friable, very fine grained, subangular, very silty; siltstone, mediumgray, obscurely thinbedded, clayey; abundant carbonaceous plant fragmen
Shale, mediumgray, obscurely bedded, probably platybedded, clayey; common carbonaceous plant fragments; includes few thin siltstone beds; lower contact gradational  2.1
Sandstone, mediumgray, slabbyweathering, platy to very thin bedded, partly laminated, fairly friable, very fine grained, subangular, silty, clayey in upper 0.5ft.; lower contact sharp  4.3
Siltstone, mediumgray, obscurely bedded, slightly friable; locally abundant small carbonaceous plant fragments; lower contact sharp  1.7
Sandstone, mediumgray, platy to very thin bedded, partly laminated, fairly friable, very fine grained, subangular, silty; includes abundant micaceous carbonaceous laminations in 0.3ft. zone 0.3 ft. below top; lower contact sharp  2.8
Siltstone, mediumgray, chunkyweathering ( ?), obscurely bedded, clayey; locally abundant carbonaceous plant fragments; lower contact fairly sharp  2.3
OF-75-383-Sec-8
Claystone, (8P28)*, mediumgray, obscurely bedded; slickensides; abundant plant fragments  0.2 0.5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_8.pdf
Shale, darkgray, fissile to platybedded, carbonaceous; may pinch out locally  0.3
Sandstone, and interbedded siltstone; sandstone, mediumgray, locally ironstained, probably playbedded (obscure), friable. very fine to finegrained, subangular to subrounded; average bed thickness about 3 ft.; beds become finer grained upward and grade in
Sandstone, and interbedded siltstone; sandstone, mediumgray, laminated, partly friable, very fine grained, subangular to subrounded, silty; average bed thickness about 2.5 ft.; siltstone, mediumgray, obscurely bedded, hard, clayey, abundant carbonaceous
Sandstone, and interbedded siltstone, sandstone, mediumgray, locally ironstained, probably platybedded (obscure), friable. very fine to finegrained, subangular to subrounded; average bed thickness about 3ft.; beds become finer grained upward and grade in
OF-75-383-Sec-L13
Sandstone, (L135), mediumdarkgray, lightgrayweathering, massive, hard, fine to very fine grained, subangular, very silty, clayey; scattered carbonaceous plant fragments; forms small cliffs with rounded vertical faceted face 4.5
Sec-L13
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_L2L1_L8_L18.pdf
Covered, 3.3
Shale, coaly 0.2
Claystone, Partly covered; mostly mediumgray soft claystone 4.5
Shale, carbonaceous; coaly shale 0.5
Coal, 0.1
Claystone, mediumgray, silty, sandy 1.3
Claystone, carbonaceous 0.5
Claystone,  mediumgray, soft  1.0
Sandstone, mediumdarkgray, massive, soft, very fine grained, silty 3.2
Siltstone, Partly covered; mostly mediumgray massive soft sandy siltstone 3.0
Shale,  coaly 0.5
Coal, 0.2
Coal, (L13P5), shaly; coaly shale 0.3
Sandstone, mediumdarkgray, thickbedded,  soft, very fine to finegrained, clayey, silty 1.1
Siltstone, mediumdarkgray, angularfracturing 2.0
Sandstone, mediumgray, mildly ironstained at top, obscurely bedded, friable, very fine to finegrained, subangular to subrounded, silty; no plant fragments seen; lower contact fairly sharp  2.3
Shale, mediumgray, slightly ironstained, smallchunkyweathering, obscurely very thin bedded. silty; few carbonaceous plant fragments; includes interbeds of mediumgray siltstone in upper half  5.1
Covered, interval  6.9
Shale, gray, deeply weathered, silty, sandy  1.0
Coal,  0.5
Shale, (3P1S)*, mediumgray, hacklyweathering, platy to thinbedded, slightly silty; abundant plant fragments  3.3
Coal, blocky; includes a 0.3ft. gray shale parting at 2.2ft. below top and a 0.1ft. gray shale parting 1.1 ft. below top; lower contact sharp and gently rolling  5.6
Siltstone, mediumgray, partly ironstained, hacklyweathering, clayey, finely sandy; common plant fragments; includes at base about 1ft. bed of mediumdarkgray very thin to platybedded sandy carbonaceous siltstone; 1 ft. bed of mediumlightgray friable very
Sandstone, mediumgray, partly ironstained, slabby to hacklyweathering, very thin to platybedded, partly friable, very fine grained, subangular, silty; becomes more silty and clayey upward; includes friable zones up to 1 ft. thick in middle; lower contact
Shale, mediumgray, partly ironstained, fissile to platy bedded in lower half, silty; abundant carbonaceous plant fragments in lower half becoming less common in upper half; includes at top 0.6ft. hard limy siltstone concretion with few carbonaceous plant
Siltstone, mediumgray, hackly to poorplatyweathering, thin to platybedded, very clayey; common plant fragments; includes laminations and very thin beds of mediumgray very fine grained sandstone; lower contact gradational  3.5
Sandstone, mediumgray, partly ironstained, probably hacklyweathering, obscurely bedded to partly laminated, very fine grained, subangular, silty, clayey; few carbonaceous plant fragments  2.0
Sandstone, Covered interval; probably sandstone  2.0
Shale, darkgray, poor platyweathering, fissile to platy bedded, carbonaceous; abundant carbonaceous plant fragments 0.7
Sandstone, mediumgray, partly ironstained, poor platy weathering, very thin bedded to laminated, cross bedded, hard, very fine grained, subangular to subrounded, silty, very clayey; common small carbonaceous plant fragments and few randomly oriented larg
Covered, interval  5.0
Coal, platyweathering in lower part  1.5
Siltstone, mediumgray, hacklyweathering, obscurely bedded, hard, clayey, partly sandy; common carbonaceous plant fragments  0.5
Covered, interval  11.7
Siltstone, mediumgray, partly ironstained, hacklyweathering, obscurely very thin to thinbedded, clayey. sandy and micaceous in upper half; locally abundant carbonaceous plant fragments; includes at base a 0.4ft. bed of darkgray carbonaceous shale and a s
Coal, bony; includes black carbonaceous shale  0.3
Shale, mediumgray, partly ironstained, obscurely bedded, hard; abundant carbonaceous plant fragments  0.4
Shale, darkgray, very carbonaceous; abundant plant fragments; includes abundant interbedded bone coal; lower contact sharp 0.6
Siltstone, mediumgray, strongly ironstained in places, hacklyweathering, obscurely very thin bedded, partly finely sandy, clayey, more shaley and hacklyweathering in upper 1 ft.; few large flattened coaly wood fragments in upper 1 ft.; includes ironstone
Shale, mediumgray, unevenweathering, obscurely platybedded, slightly silty; abundant carbonaceous plant fragments; includes a 0.2ft. bed of darkgray carbonaceous shale about 2 ft. above base; lower contact gradational  3.3
Siltstone, mediumgray, slightly ironstained, hacklyweathering, obscurely very thin bedded to partly laminated, clayey; common carbonaceous plant fragments; includes a 2ft. bed of mediumgray laminated hard very fine grained subangular clayey sandstone abo
Coal, blocky, weathered  0.8
Shale, (3P3)*, mediumgray, obscurely bedded; some carbonaceous plant fragments; upper 0.2 ft. becomes darkgrayfissile very carbonaceous shale  0.6
Shale, black, fissileweathering, very carbonaceous  0.2
Coal, Cabin bed, bony, platyweathering, mostly blocky; scattered amber grains; includes a 0.4ft. bed of mediumdarkgray to black silty carbonaceous shale with many coal stringers at 0.35 ft. above base  1.85
Siltstone, mediumgray, partly ironstained, hacklyweathering, poor platy to very thin bedded, clayey; few small plant fragments; lower contact sharp  7.4
Shale, darkgray to black, fissile to platyweathering, platybedded, very carbonaceous; abundant plant fragments; includes about 0.1ft. bed of bony coal near middle; lower contact fairly sharp  0.7
Siltstone, mediumgray, hacklyweathering, poor platy to thinbedded, clayey; many carbonaceous plant fragments in upper two thirds; lower contact concealed in Palmer Creek  3.4
Shale, (4P30)*, mediumgray, partly ironstained, platy to hacklyweathering, obscurely bedded, clayey; abundant carbonaceous plant fragments(>)  3.0
Coal, Fletcher bed, platyweathering, impure, mostly flattened coalified logs and large wood remains; lower contact fairly sharp 2.9
Sandstone, mediumgray, partly ironstained, platyweathering, platybedded to partly laminated, partly friable, very fine grained, subangular, mostly clayey, very silty; locally common carbonaceous plant fragments, some plant fragments oriented perpendicula
Sandstone, mediumgray, mediumlightgrayweathering, uniformly lightbrown ironstained, weathering to rounded slabby steep knobby slopes, poor cliff forming, very thin to thinbedded, crossbedded, friable, fine to mediumgrained, subangular to subrounded. silt
Sandstone, mediumgray, partly ironstained, poor fissile to platyweathering, platybedded, locally laminated, very fine grained, subangular, clayey, very silty; locally abundant carbonaceous plant fragments; includes common carbonaceous laminations; lower
Sandstone, medium gray, iron stained, mediumlightgray weathering, steep rounded slabby knobby slopeforming, poor cliffforming, very thin to thinbedded, cross bedded, friable, fine to coarsegrained in basal part becoming mostly fine to medium grained abov
Sandstone, mediumgray, mediumlightgrayweathering, locally ironstained, partly friable, very fine to finegrained, subangular to subrounded, silty; scattered pebbles of hard rock; includes at top 0.5ft. bed of conglomerate composed of granules and pebbles
Siltstone, mediumgray, small chunkyweathering, obscurely bedded, clayey, sandy in lower part; some carbonaceous plant fragments partly oriented perpendicular to bedding; lower contact gradational  0.8
Sandstone, mediumgray, poor platyweathering in upper two thirds obscurely very thin bedded, friable in lower part, finegrained in lower part becoming very fine grained in upper part, subangular, silty; common carbonaceous plant fragments oriented perpend
Siltstone, mediumgray, poor platyweathering, poor very thin bedded, clayey, sandy at base; locally abundant carbonaceous plant fragments  3.8
Sandstone, mediumgray, partly ironstained, slabbyweathering, obscurely bedded, friable, finegrained, subangular, silty; lower contact sharp  5.3
Shale, mediumgray, obscurely bedded, subconchoidally fracturing, clayey; some small carbonaceous plant fragments  0.2
Shale, darkgray to black, silty, carbonaceous; coalified wood fragments  0.2
Coal, fairly blocky  1.3
Siltstone, mediumgray, obscurely bedded; many randomly oriented carbonaceous plant fragments  0.9
Shale, darkgray to black, platyweathering, fissile to platybedded, silty, carbonaceous; abundant small and fairly large carbonaceous plant fragments, some large coalified wood fragments  0.6
Siltstone, mediumgray, obscurely bedded; common carbonaceous plant fragments; lower contact gradational  0.4
Sandstone, mediumgray, slabbyweathering, obscurely bedded, mostly friable, very fine to finegrained, subangular, very silty  2.4
Siltstone, mediumgray, obscurely bedded; some carbonaceous plant fragments, few leaf impressions; becomes very fine grained very clayey sandstone in upper 0.3 ft.; lower contact fairly sharp  1.3
Sandstone, mediumgray, partly ironstained, poor platy weathering, poor platy to very thin bedded, very fine grained, subangular, very silty; some carbonaceous plant fragments, leaf impressions in part  2.0
Siltstone, and interbedded sandstone; siltstone, medium gray, poor platyweathering, obscurely bedded, clayey; many carbonaceous plant fragments; sandstone, mediumgray, poor platyweathering, obscurely bedded, very fine grained. subangular, silty, very cla
Shale, darkgray to black, poor platybedded, silty, carbonaceous; abundant small and few large carbonaceous plant fragments; lower contact gradational  0.7
Siltstone, mediumgray, poor platyweathering, obscurely bedded, clayey; many small carbonaceous plant fragments; lower contact gradational  0.4
Sandstone, mediumgray, slabbyweathering, obscurely bedded, partly friable, very fine grained, subangular, very silty; carbonaceous plant fragments in upper part; lower contact gradational+   1.8
Siltstone, and interbedded sandstone; siltstone, mediumgray, poor platyweathering, obscurely bedded, clayey; many plant fragments; sandstone, mediumgray, very fine grained, subangular, silty, clayey; forms beds up to 0.6 ft. thick; unit includes at base
Sandstone, mediumgray, obscurely bedded, friable in lower part, very fine grained, subangular, silty; many plant fragments in upper part; lower contact sharp  1.5
Siltstone, mediumgray, poor platyweathering, obscurely bedded, clayey, sandy in upper part; many plant fragments; lower contact sharp  1.9
Shale, darkgray to black, some brownishgray, mostly platy bedded, silty; abundant carbonaceous material; includes bony coal stringers; lower contact sharp  0.2
Siltstone, medium+gray, partly ironstained, poor platy weathering, platy to poor very thin bedded. sandy, clayey; abundant leaf impressions 6.5 to 8.5 ft. above base; includes 2ft. bed of mediumgray very fine grained sandstone at 0.8 ft. below top  11.6
Shale, darkgray to black, fissile to platyweathering, platybedded, silty, carbonaceous; abundant plant fragments+  0.3
Siltstone, mediumgray, poor platyweathering, platy to poor very thin bedded, some lamination in lower part, clayey; abundant carbonaceous plant fragments; includes few thin beds of very fine grained sandstone in basal 1 ft.  8.4
Shale, mediumgray, poor platybedded. very silty; abundant plant fragments, few large coalified wood fragments near base; includes few calcareous ironstone nodules up to 0.2 ft. thick about 2.4 ft. above base  3.0
OF-75-383-Sec-6
Sandstone, mediumgray, partly ironstained, slabbyweathering, mostly obscurely bedded, partly platybedded, friable, very fine grained, subangular; includes 1ft. bed of mediumgray laminated partly friable siltstone at base; 1ft. bed, 8 ft. above base, of m
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_6.pdf
Siltstone, mediumgray, partly ironstained. chunky to poor platyweathering, obscurely bedded, clayey; scattered carbonaceous plant fragments; lower contact gradational  3.3
Sandstone and interlaminated siltstone; sandstone, mediumgray, platyweathering, uniformly laminated, very fine grained, subangular, very silty, clayey; siltstone, mediumgray, platyweathering, clayey  4.0
Siltstone, mediumgray, partly ironstained, chunkyweathering, obscurely bedded. clayey; scattered plant fragments; includes 1ft. bed, 0.5 ft. above base, of friable very fine grained sandstone; 0.5ft. bed in middle of mediumgray obscurely bedded shale; lo
Sandstone, mediumgray, partly ironstained, slabbyweathering,  obscurely to partly platybedded, friable, very fine grained, subangular, silty; includes interbeds of mediumgray partly friable clayey siltstone; lower contact fairly sharp  3.0
Sandstone, mediumgray, slabbyweathering. obscurely bedded,frjab1e in small part, very fine grained, subangular, silty; scattered carbonaceous plant fragments; includes 2ft. bed 1 ft. below top of mediumgray obscurely bedded sandy very clayey siltstone wi
Siltstone, mediumgray, locally ledgeforming, obscurely bedded, hard, limy, sandy; abundant small carbonaceous plant fragments  0.8
Siltstone, mediumgray, poor very thin bedded, clayey to very sandy; common carbonaceous plant fragments; includes few thin interbeds of mediumgray very fine grained subangular very silty sandstone in upper 4 ft.; lower contact sharp  10.7
Shale, darkgray to black, platybedded, silty, carbonaceous; includes bony coal stringers  0.2
Sandstone, mediumgray, partly ironstained, slabbyweathering, very thin to thinbedded, platy to thinbedded in upper 5 ft., crossbedded, mostly friable, very fine to finegrained, subangular, silty to very silty, very clayey in upper 5 ft.; includes several
Sandstone, mediumgray, slabbyweathering, very thin bedded, friable, very fine grained, subangular to subrounded, silty; includes bone coal stringers at base; lower contact gradational  2.0
Siltstone, mediumgray, poor platyweathering, obscurely poor platy to very thin bedded, clayey; abundant carbonaceous plant fragments on bedding; lenses of carbonaceous siltstone, up to 0.1 ft. thick, interbedded with bore coal about 0.2 ft. below top; lo
Shale, and interbedded siltstone; shale, mediumgray to light olivegray, partly ironstained, deeplyweathered, clayey, silty; siltstone, mediumgray to lightolive gray, partly ironstained, deeply weathered, clayey  4.0
Sandstone, mediumgray, largely ironstained, obscurely bedded, soft, friable, very fine grained, subrounded, well sorted; includes 1.5ft. bed of mediumgray siltstone near middle; ironstone nodules less than 0.1ft. thick in middle  7.2
Siltstone, mediumgray, partly ironstained, deeply iron stained in upper 0.1 ft., partly olivegrayweathering, mostly obscurely bedded, partly laminated to very thin bedded in middle, largely very clayey; small carbonaceous plant fragments in part  12.5
Sandstone, mediumgray, slabbyweathering, obscurely bedded, laminated in part, soft, mostly friable, very fine grained, subangular, very silty; becomes siltstone in upper 1 ft.; includes few very thin lenses and beds of mediumgray shale in lower 1.5 ft.;
Shale, mediumgray, poor platy to hacklyweathering, obscurely bedded, clayey; small plant fragments common in upper part; includes few very thin to thin interbeds of mediumgray partly iron stained siltstone; lower contact gradational  4.4
Sandstone, mediumgray, largely ironstained, slabby weathering, obscurely very thin bedded, mostly friable, very fine to finegrained, subangular, very silty, clayey; includes few beds of mediumgray siltstone and sandy shale up to 0.5 ft. thick in lower 3
Shale, mediumdarkbluishgray, some lightgray laminations near middle, mostly obscurely bedded with some platy bedding near middle, silty; grades to siltstone in upper 0.2 ft.; common small plant fragments; includes 1.5ft. bed of mediumdarkbluishgray very
Siltstone, and interbedded sandstone; siltstone, mediumgray, slabbyweathering, obscurely bedded, clayey, abundant small carbonaceous plant fragments; sandstone mediumgray, slabbyweathering, obscurely bedded, very fine to mediumgrained, poorly sorted, ver
Shale, and interbedded siltstone; shale (7P55)*, mediumgray, obscurely bedded, clayey, silty; many small plant, fragments; siltstone, mediumgray, hacklyweathering, obscurely bedded, clayey, sandy in lower part; includes few very thin beds of mediumgray v
Sandstone, mediumdarkbluishgray, partly ironstained, slabbyweathering, obscurely bedded, friable, fine to coarsegrained in lower part becoming fine to mediumgrained with scattered coarse grains in upper part, poorly sorted, very silty, very clayey; inclu
Shale, darkgray, platyweathering, poor blockyweathering in lower 0.3 ft., poor fissile to platybedded, carbonaceous; upper half becomes less carbonaceous and includes many finegrained particles of lightbrownish gray volcanic ash and pumice(?); lower cont
Siltstone, mediumdarkbluishgray, hacklyweathering, obscurely bedded, very clayey especially in upper part; plant fragments common in part; 10wer contact sharp  3.4
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, fairly friable, very fine to fine grained, subangular to subrounded, very silty, very clayey; includes few large weathered biotite flakes and abundant darkgray phyllitic shale flakes; 0
Siltstone, mediumdarkbluishgray, hacklyweathering, obscurely bedded, clayey to very clayey in upper part; few plant fragments at base  6.3
Sandstone, mediumdarkbluishgray, partly ironstained, slabbyweathering, partly obscurely very thin bedded and crossbedded, friable, very fine grained, subangular, clayey, very silty; includes very thin siltstone interbeds or lenses; lower contact gradatio
Siltstone, mediumgray. chunkyweathering, obscurely bedded, partly poor platybedded, clayey; common plant fragments; lower contact gradational  3.8
Sandstone, mediumgray, partly ironstained, slabbyweathering, mostly obscurely bedded, some platy to very thin bedded, friable, very fine to finegrained, subangular; becomes very fine grained, clayey, and less friable in upper 3 ft.; lower contact gradati
Siltstone, mediumgray, partly ironstained, platyweathering, laminated, finely sandy, clayey; may include ironstone nodules near top; lower contact gradational  2.0
Shale, medium to mediumdarkgray, poor platyweathering in upper 0.5 ft., obscurely bedded, locally fissile poor platybedded in upper 0.5 ft., very silty in upper 0.5 ft.; abundant carbonaceous plant fragments; includes 0.2ft. bed, 2.5 ft. above base, of s
Coal, upper 0.5 ft. deeply weathered bone coal; includes 0.5ft. parting, 0.5 ft. above base, of mediumgray, hard shale with abundant plant fragments; 0.8ft. parting, 1.9 ft. above base, of mediumgray clayey siltstone with abundant large coalified wood re
Siltstone, mediumgray, partly ironstained, slabby weathering, obscurely platybedded, clayey; few carbonaceous plant fragments; includes at top 2ft. bed of mediumgray slabby to platyweathering platybedded very fine grained subangular sandstone; lower cont
Sandstone, mediumgray, partly ironstained, platyweathering, platy to very thin bedded, partly friable, very fine grained, subrounded, silty, very clayey in part; includes 1ft. bed, about 0.3 ft above base, of fine grained friable sandstone with few large
Siltstone, mediumgray, partly lightly ironstained, platy weathering in upper half and chunkyweathering in lower half, platy to very thin bedded, clayey; scattered carbonaceous plant fragments; lower contact gradational  3.4
Shale, mediumgray, obscurely bedded, silty; abundant carbonaceous plant fragments  0.2
Coal, bone  0.2
Sandstone, mediumgray, partly ironstained, slabbyweathering, partly laminated to platybedded, friable, finegrained, fine to mediumgrained (basal 1 ft.); subangular to subrounded, upper 0.5 ft. grades to micaceous clayey siltstone; many randomly oriented
Sandstone, mediumgray, poor platy to poor slabbyweathering, obscurely bedded, partly friable, very fine to finegrained, medium to coarsegrained (basal 1.5ft.); subangular to subrounded, silty; includes few mediumgray sandy clayey siltstone beds about 0.5
Coal and carbonaceous shale (subequal amounts); coal, impure; mostly in lower half of unit; poorly exposed 1.4
Siltstone, mediumgray, lightbrown tinted, obscurely bedded, clayey; white angular grains (volcanic origin?); some carbonaceous fragments  0.8
Coal, includes irregular partings of mediumgray siltstone in lower half and brown siltstone (pyroclastic?) less than 0.1 ft. thick about 0.2 ft. below top  0.7
OF-75-383-Sec-L1
Coal,  0.4
Sec-L1
Claystone, mediumgray, silty  1.7
Shale, (L1P~25)*. carbonaceous  0.3
Coal,  0.9
Coal, and interbedded claystone (L1P24  from claystone)* 0.5
Coal,  0.2
Claystone,  mediumgray, soft, silty 3.5
Siltstone, mediumgray, ironstained, angularfracturing, very clayey; becomes mediumdarkgray massive soft sandy siltstone 6.4
Siltstone, calcareous, concretionary 1.4
OF-75-383-Sec-L18
Sandstone, medium darkgray, thickbedded, soft, fine grained2.5
Sec-L18
Claystone, mediumdarkgray, silty 2.8
Sandstone, mediumdarkgray, crossbedded at angles of 4550 degrees in planar(?) sets, fine to very fine grained, silty, clayey; includes scattered coal lenses up to 0.01 ft. thick 7.2
Siltstone, (L184), darkgray, soft, very clayey; includes few mediumdarkgray calcareous concretionary parts up to 8 ft. long with few carbonaceous plant fragments 2.5
Claystone, mediumgray, soft 0.4
Claystone, darkgray, slightly carbonaceous 0.2
Coal, shaly 0.2
Coal, and interbedded shale; coal. bone; shale, darkgray to black, carbonaceous; includes many coal stringers  0.2
Shale, (4P16)*, mediumgray, ironstained, obscurely bedded, subconchoidally fracturing, clayey; many carbonaceous plant fragments  0.8
Shale, darkgray to black, fissile to platybedded, carbonaceous; includes many coal stringers; lower contact sharp 0.2Siltstone, mediumgray, partly ironstained, platy weathering, obscurely bedded, clayey; many randomly oriented fine plant imprints; lower
Shale, darkgray to black, fissile to platybedded, carbonaceous; abundant carbonaceous plant fragments; includes many small coal stringers; lower contact sharp  0.8
Siltstone, mediumgray, poor platyweathering, poor platy to very thin bedded, partly sandy; abundant plant imprints in basal part and scattered above; includes thin interbeds of very fine grained subangular clayey sandstone; interval of very fine grained
Siltstone, medium to mediumdarkgray, poor platybedded, clayey; abundant plant imprints on bedding  0.6
Coal, blocky; includes interbeds of darkgray carbonaceous shale and bony coal in upper 0.4 ft.  3.3
Sandstone, and interbedded siltstone; sandstone, mediumgray, platyweathering, very thin bedded, very fine grained, subangular, silty; siltstone, mediumgray, platy weathering, very thin bedded. partly sandy; locally common plant fragments  13.
Siltstone, and interbedded sandstone; siltstone, mediumgray, platyweathering, very thin bedded to partly laminated in upper half, sandy in lower 5 ft.; locally common plant fragments, large coalified wood fragments in lower 2 ft.; sandstone, mediumgray,
Sandstone, mediumgray, slabbyweathering, friable, fine to mediumgrained, scattered coarse grains in basal part becoming finegrained above 5 ft. above base, subangular to subrounded; includes large carbonaceous wood remains; ironcemented carbonaceous stri
Shale, brownishgray, poor fissile to platybedded, partly carbonaceous; abundant small carbonaceous plat fragments; includes many bony coal stringers; lower contact sharp 1.5
Siltstone, mediumgray, partly ironstained, platy to poor flaggyweathering, very thin bedded, poorly fissile and shaly in lower 1 ft.; abundant carbonaceous plant fragments in lower 1 ft. and upper 4 ft.; includes near top some beds of brownishgray siltst
Coal, blockyabout 2.5
Siltstone, mediumgray, partly ironstained, platyweathering, laminated to very thin bedded, very clayey in upper 0.5 ft.; locally abundant small plant fragments, abundant small carbonaceous plant fragments in upper 0.5 ft.; includes few carbonaceous films
Coal, platyweathering, impure 1.0
Sandstones, mediumgray, slabbyweathering, locally cliff forming, very thin to thinbedded, crossbedded with sets up to 3 ft. thick, mostly friable, fine to mediumgrained with scattered coarse grains in lower part becoming mostly finegrained in upper 10 ft
Sandstone, mediumgray, unevenweathering, partly laminated, very fine grained, subangular, very silty; abundant plant remains; lower contact sharp  0.5
Shale, and interbedded coal; shale, darkgray, fissile, carbonaceous; abundant small plant fragments; shale (4P6)*, mediumgray, obscurely bedded; abundant small plant remains; coal, bony; lower contact fairly sharp  1.1
Sandstone, mediumgray, slabbyweathering, obscurely bedded, very fine grained, subangular, very silty; locally abundant small carbonaceous plant fragments, few large coalified wood fragments near top; includes at top 0.3ft. bed of siltstone with abundant
Siltstone, mediumgray, partly ironstained, poor platy to hacklyweathering, obscurely thinbedded, clayey; common small carbonaceous plant fragments; lower contact gradational  1.8
Coal, weathered, bony; includes interbeds of darkgray carbonaceous shale and bony coal in upper 0.1 ft.; lower contact sharp  0.5
Siltstone, mediumgray, ironstained (mostly in lower ha1f),poor platy to hacklyweathering, obscurely very thin bedded, clayey (upper half); common small carbonaceous plant fragments in upper half, large coalified wood remains in 0.2ft. interval in middle;
Sandstone, mediumgray, mostly platybedded, friable in middle part, very fine grained, subangular, very clayey in upper 0.5 ft., very silty; abundant carbonaceous plant fragments in upper 0.5 ft.; lower contact sharp  1.1
Shale, mediumgray, mostly ironstained, shardlikeweathering, obscurely bedded, very silty; some carbonaceous plant fragments; includes at top 0.5ft. bed of siltstone with gradational lower contact 1.6
Coal, weathered, fairly blocky for most part; lower contact sharp 1.5
Siltstone, mediumgray, poor platy to obscurely bedded, very sandy in lower part, partly clayey; scattered carbonaceous plant fragments in lower part, abundant randomly oriented carbonaceous plant fragments in upper part; large coalified fragments oriente
Sandstone, mediumgray, obscurely bedded, platy to. very thin bedded in upper 1 ft., friable, very fine to finegrained. some medium grains in lower part, subangular, very silty' 2.8
Coal, weathered. probably bony in middle part; includes at 0.1 ft. below top a 0.4ft. bed of mediumgray poorly bedded siltstone with brownish tint and many carbonaceous plant fragments 2.8
Siltstone, mediumgray, darkgray in upper 0.1 ft., obscurely bedded, mostly clayey, partly sandy; many randomly oriented carbonaceous plant fragments; lower contact  gradational 1.0
Siltstone, mediumgray, poor platybedded; abundant small carbonaceous plant fragments; soft, large thin carbonaceous plant fragments; few coal films; several thin interbeds of mediumgray conchoidally fracturing clayey shale with many carbonaceous plant fr
Shale, mediumgray, poor platybedded; abundant small carbonaceous plant fragments  0.5
Coal, blocky; includes 0.15ft. bed 0.1 ft. below top of mediumdarkgray to brownishgray shale with many carbonaceous plant fragments  0.5
Siltstone, mediumgray to brownishgray, obscurely bedded; many small carbonaceous plant fragments; lower contact sharp  0.25
Sandstone, and interbedded siltstone; sandstone, mediumgray, poor platyweathering, very thin to thinbedded, friable in bottom 1 ft., very fine to finegrained in basal 1 ft. becoming very fine grained above, subangular, very silty, clayey above basal 1 ft
Siltstone, mediumgray, hackly to poor platyweathering, obscurely very thin to thinbedded, sandy; locally abundant carbonaceous plant fragments; many large poorly oriented coalified wood fragments 2.53.5 ft. above base; includes many beds up to 1 ft. thic
Shale, mediumgray to mediumdarkgray. poor fissile to platybedded, silty,. clayey; abundant carbonaceous plant fragments on bedding  0.4
Coal, (5P20  2 shale partings)*, platy to blocky weathering; many large coalified wood fragments; includes 0.6ft. parting 0.4 ft. below top of mediumgray very silty shale with abundant plant fragments; 0.5ft. parting 2.3 ft. below top of mediumdarkgray v
Siltstone, .mediumgray, partly ironstained, hackly to platy weathering, very thin to obscurely bedded, clayey to very clayey; locally abundant plant fragments; includes 2ft. bed 5 ft. below top of mediumgray platyweathering very thin bedded to laminated
Sandstone, mediumgray, platyweathering, very thin bedded, partly friab1e, very fine grained, subangular to subrounded, silty; includes 0.1ft. siltstone bed 0.2 ft. below top; lower contact gradational 1.2
Siltstone, mediumgray, hacklyweathering, obscurely bedded; includes 1ft. bed at base of mediumgray platyweathering very thin bedded clayey to very clayey shale with abundant carbonaceous plant fragments  4.2
Coal, platyweathering, deeply weathered, bony; includes many very thin siltstone partings 0.20.5 ft. below top; 0.2ft. bed 0.5 ft. below top of brownishgray deeply weathered poor platybeaded to fissile shale  0.9
Siltstone, mediumdarkgray, clayey; abundant plant fragments and finely disseminated carbonaceous material; includes carbonaceous lenses; lower contact gradational  0.4
Siltstone, mediumgray, ironstained in upper half, hacklyweathering, obscurely bedded, clayey, sandy in upper 2ft; abundant plant remains; lower contact gradational   4.3
Shale, mediumgray, platyweathering, obscurely fissile, silty, very clayey; abundant small plant fragments; some large coalified wood fragments in upper part; lower contact gradational  2.5
Shale, darkgray, fissile to platyweathering, clayey, carbonaceous; abundant plant fragments  0.3
Siltstone, mediumgray, locally hard and calcareous cemented, very clayey; abundant plant fragments  0.7
Shale, darkgray, platyweathering, clayey, carbonaceous; abundant plant fragments  0.1
Coal, deeply weathered, fissileweathering in lower 0.6 ft.; mostly coalified wood remains; bony in upper 0.4 ft.; includes many thin interbeds of darkgray carbonaceous shale  1.0
Siltstone, and interbedded sandstone; siltstone, mediumgray, platyweathering, very thin bedded, clayey, sandy; sandstone, mediumgray, platyweathering, very thin bedded, mostly friable, very fine grained, subrounded to subangular, very silty; basal 1.5 ft
Sandstone, and interbedded siltstone; sandstone, mediumgray, platyweathering, very thin bedded to laminated, very fine grained, subangular, very silty; forms beds mostly 0.5 ft. thick; includes carbonaceous laminations; siltstone, mediumgray, partly iron
Shale, darkgray to black, platyweathering, carbonaceous; abundant plant fragments, coal films, and partings  0.2
Siltstone, mediumgray, partly ironstained, probably very thin bedded, clayey; abundant carbonaceous plant fragments; includes at base abundant large coalified wood fragments in 0.4ft. bed of darkgray to black carbonaceous siltstone with many coal films a
Coal, bony; includes very thin partings of mediumdarkgray, carbonaceous siltstone+  0.4
Siltstone, mediumgray, hacklyweathering, obscurely bedded, probably thinbedded, partly sandy; common small plant fragments; includes 4ft. bed 2 ft. above base of platy weathering very thin bedded crossbedded subangular very fine grained very silty sandst
Sandstone, mediumgray, locally ironstained, slabbyweathering, friable, fine to mediumgrained, finegrained in upper1 ft, subrounded to subangular; lower contact sharp and possible disconformity  6.6
Coal, blocky; lower contact sharp  0.4
Siltstone, mediumgray, hacklyweathering, obscurely bedded, probably thinbedded, partly very sandy, clayey; includes at base 0.5ft. bed of mediumgray shale (5P9)*, with abundant plant fragments that grade into overlying siltstone; 2.8ft. bed 0.2 ft. below
Shale, darkgray to black, platyweathering, carbonaceous; white scattered very fine crystals; abundant carbonaceous plant fragments  0.4
Coal, platyweathering, bony; includes interbedded darkgray to black carbonaceous shale; lower contact sharp  0.4
Siltstone, mediumgray, hacklyweathering(?), obscurely bedded, probably thinbedded, clayey, partly sandy; locally abundant carbonaceous plant fragments; large coalified wood fragments oriented perpendicular to bedding near top of unit; includes interbeds
Coal, and interbedded shale; coal, bony; large coalified wood remains; shale, darkgray to black, carbonaceous  0.4
Sandstone, mediumgray, slabbyweathering, obscurely bedded, fairly friable, very fine grained, subrounded to subangular, very silty and clayey in upper 1.5 ft ; some carbonaceous plant fragments; large coalified wood remains about 1.3 ft. below top  4.8
Siltstone, and interbedded sandstone; siltstone, mediumgray, poor platy to thinbedded, sandy; many carbonaceous plant fragments; sandstone, mediumgray, obscurely bedded, very fine grained, subrounded to subangular; lower contact gradational  15.8
Sandstone, mediumgray, partly ironstained, obscurely bedded, mostly friable, becoming less friable toward top, very fine grained, subrounded, very clayey in upper half and grades to sandy siltstone in part  10.3
Siltstone, mediumgray, poor platy to thinbedded) clayey; many carbonaceous plant fragments; includes numerous thin beds of very fine grained sandstone; lower contact gradational  11.5
Sandstone, mediumgray, slight1y ironstained, slabbyweathering, very thin bedded, partly laminated, very fine grained, subangular, very silty; lower contact fairly sharp  2.0
Shale, medium to mediumdarkgray, partly ironstained, obscurely bedded, silty; many small carbonaceous plant fragments; few large carbonaceous plant fragments in upper 1 ft.; few large coalified wood fragments at 0.30.5 ft. above base; lower contact sharp
Coal, Fletcher bed, partly platyweathering, blocky; lower contact sharp   2.7
Shale, medium to mediumdarkgray, platyweathering, platy bedded, silty. carbonaceous; many carbonaceous plant fragments on bedding  1.5
Coal, platyweathering; mostly large coalified wood remains; includes 0.1ft. parting 0.4 ft. above base of mediumgray shale with many carbonaceous plant fragments; lower contact sharp and rolling  3.7
Siltstone, mediumgray, slabbyweathering, obscurely thin bedded, clayey; many small carbonaceous plant fragments; some large plant remains oriented perpendicular to bedding at top; includes mediumgray hard, dense limy siltstone concretions up to 0.9 ft. x
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; few carbonaceous plant fragments; upper 4 ft. somewhat plastic when wet  10.
Sandstone, mediumgray, obscurely bedded, friable, very fine to finegrained, subangular, silty, clayey; scattered coaly wood fragments; includes very thin beds of mediumgray obscurely bedded clayey siltstone in upper 0.4 ft.  1.2
Siltstone, mediumgray, partly lightly ironstained, obscurely bedded, clayey, shaly in upper 5 ft.; few carbonaceous plant fragments; includes 0.3ft. bed of brownishgray carbonaceous siltstone at 4 ft. above base; lower contact sharp  9.3
Siltstone, and coal; siltstone, brownishgray, poor platy bedded, clayey, carbonaceous; forms lower twothirds of unit; coal, impure(?); lower contact sharp  0.15
Siltstone, and interbedded sandstone; siltstone, mediumgray, partly ironstained, chunky to poor platyweathering, obscurely platy to very thin bedded, clayey; few carbonaceous plant fragments; sandstone, mediumgray, partly ironstained, obscurely very thin
Sandstone, mediumdarkbluishgray, partly ironstained, slabbyweathering, mostly friable, fine to mediumgrained, scattered coarse grains in basal 0.7 ft. becoming dominantly finegrained above, subangular to subrounded; numerous rounded shale flakes; lower c
Shale, (6P73)*, mediumgray, obscurely bedded; many carbonaceous plant fragments; lower contact sharp  0.2
Shale, brownishgray to darkgray, platybedded, hard, tough, carbonaceous; lower contact sharp  0.2
Siltstone, mediumgray, poor platyweathering, obscurely platy to very thin bedded, shaly in lower part, clayey, partly finely sandy; few small carbonaceous plant fragments and, large coalified wood fragments near base; includes some interbedded very fine
Coal, weathered, largely impure(?)  1.7
Sandstone, mediumgray, partly ironstained, slabbyweathering, poor platybedded in upper half, very friable in lower half, finegrained in lower half becoming very fine grained to finegrained and clayey in upper half, subangular to subrounded; lower contact
Siltstone, mediumgray, poor platy to chunkyweathering, obscurely bedded, clayey, shaly in basal 0.5 ft. and upper 0.3 ft., sandy in middle part; common plant fragments in part; lower contact sharp  4.1
Shale, medium to mediumdarkgray, obscurely bedded; abundant carbonaceous plant fragments; includes few very thin beds of darkgray to black impure coal or carbonaceous shale in lower half; at top 0.25ft. bed of brownishgray to darkgray platybedded carbona
Coal, blocky; includes mediumbrown friable sandy siltstone parting 0.1 ft. thick at 0.1 ft. below top; much woody material in upper 0.1 ft.; irregular short stumps locally at top; lower contact sharp  2.1
Shale, (6 P69)*, mediumgray, mediumlightgrayweathering, obscurely bedded, poor platybedded in upper 0.5 ft.,hard; abundant plant fragments; abundant slickensides about 0.5 ft. below top; lower contact gradational  1.8
Siltstone, mediumgray, mediumdarkgray in lower 1 ft., poor platyweathering (?), poor platybedded, clayey; abundant plant fragments in lower 1 ft.; few large coalified wood remains and locally abundant carbonaceous root remains in upper 2 ft.; lower conta
Siltstone, brownishgray to mediumgray, poor fissile to platybedded, clayey; abundant carbonaceous wood fragments; some large coalified wood remains oriented parallel to bedding  0.4
Shale, (6P57)*, mediumgray, obscurely bedded; many carbonaceous plant fragments  0.1 0.3
Coal, lower 1.2 ft. poor blocky; upper 0.3 ft. probably very impure; lower contact sharp  1.5
Siltstone, mediumgray, poor platyweathering, partly poor platy to very thin bedded, clayey, micaceous; locally common carbonaceous plant fragments; upper half includes few beds, 0.5 ft. thick, of mediumgray shale with many carbonaceous plant fragments; l
Sandstone and interbedded siltstone; sandstone, mediumgray, obscurely bedded. very fine grained, subangular, very clayey,  some carbonaceous plant fragments; siltstone, mediumgray, obscurely bedded, clayey; common carbonaceous plant fragments; unit weath
Sandstone, mediumgray, mostly ironstained, partly laminated to platybedded, partly friable, very fine grained, subangular, micaceous, mostly clayey; some carbonaceous plant fragments  1.0
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; many carbonaceous plant fragments  0.9
Coal,  0.7
Siltstone, brownishgray to darkgray, platybedded, clayey, carbonaceous; lower contact sharp  0.15
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly ironstained, obscurely very thin bedded, partly friable, very fine grained, subangular, silty, very clayey; local carbonaceous plant fragments randomly oriented in part; includes 1.4ft.
Siltstone, brownishgray to darkgray, poor fissile to platy bedded, clayey, carbonaceous; abundant carbonaceous plant fragments on bedding; lower contact. fairly sharp 0.5
Siltstone, mediumgray, obscurely bedded, clayey; some carbonaceous plant fragments; includes interbeds of very fine grained very clayey sandstone in upper half; lower contact gradational  6.3
Sandstone, mediumgray, slabbyweathering, obscurely bedded, very fine grained, subangular to subrounded, very clayey; few carbonaceous plant fragments; lower contact sharp 6.3
Sandstone, mediumgray, slabbyweathering, obscurely bedded, friable, medium to coarsegrained in basal part becoming finegrained in upper part, subrounded, clayey, micaceous in lower part; basal part includes few small mediumgray shale flakes up to 0.05 ft
Coal, 0.6
Siltstone, mediumgray, poor slabbyweathering, obscurely bedded, clayey; common carbonaceous plant fragments; few large randomly oriented coalified wood fragments in upper 1 ft.; few coal stringers; includes at top 0.6ft. bed of brownishgray poorly bedded
Sandstone, mediumgray, partly ironstained, obscurely bedded in lower part becoming very thin bedded and crossbedded in upper 3 ft., friable to poorly friable in upper half, very fine to finegrained, subangular; very clayey in upper 3 ft.; common randomly
Siltstone, mediumgray, partly ironstained, poor slabbyweathering, obscurely bedded, clayey; abundant randomly oriented carbonaceous plant fragments in part; includes few thin beds of mediumgray very fine grained sandstone in upper 1.4 ft.; lower contact
Sandstone, mediumgray, mostly ironstained, slabbyweathering, obscurely bedded, friable, very fine to fine grained, subangular to subrounded; lower contact fairly sharp  3.7
Siltstone, mediumgray, chunkyweathering, obscurely bedded, soft; abundant carbonaceous plant fragments in basal part and scattered in upper part; lower contact sharp  0.4
Siltstone, brownishgray, fissile, carbonaceous; lower contact fairly sharp  0.2
Sandstone, mediumgray, strongly ironstained in lower part, slabbyweathering, obscurely bedded in lower part, platy to very thin bedded in upper half, friable, fine to mediumgrained in lower part becoming very fine grained in upper half, subangular to sub
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly ironstained, platy to very thin bedded, partly friable, very fine grained, subangular, silty; common carbonaceous laminations; siltstone, medium gray, partly lightly ironstained, poor pl
Shale, mediumdarkgray, fissile to platybedded, carbonaceous; abundant carbonaceous plant fragments  0.6
Siltstone, and interbedded coal; siltstone. brownishgray, fissile to platybedded, clayey; abundant plant remains; forms beds up to 0.3 ft. thick; coal, mostly coalified wood remains; forms 6 beds up to 0.4 ft. thick  3.6
Coal, abundant coalified wood remains; weathered  1.0
Sandstone, mediumgray, Iightgrayweathering, ironstained, poor platyweathering, platy( ?)bedded, partly friable, very fine to finegrained, subangular to subrounded; few large coalified plant remains most1y oriented parallel to bedding; includes few coal l
Siltstone, mediumgray, slabby to chunkyweathering, obscurely bedded, clayey; lower contact gradational 1.0
Shale, (6P 46)*, mediumgray, obscurely bedded; common to locally abundant plant fragments; numerous large coalified wood remains oriented mostly parallel to bedding; includes irregular ironstone nodules up to 0.2 ft. thick at 0.3 ft. above base; common s
Coal, dull, platyweathering; lower contact sharp  0.5
Sandstone, mediumgray, ironstained in lower part, obscurely bedded, friable, very fine to finegrained becoming very fine grained in upper 0.5 ft., subangular; clayey in upper 0.5 ft.; includes common randomly oriented plant fragments in upper 0.5 ft.  3.
Siltstone, medium~gray, partly ironstained, poor platy to chunkyweathering, partly platybedded, partly clayey; locally abundant small carbonaceous plant fragments; includes beds, up to 1.5 ft. thick. of mediumgray platybedded partly friable very fine to
Sandstone, mediumgray, partly ironstained, platyweathering, laminated to very thin bedded. partly friable, very fine to finegrained, subangular, partly silty, partly clayey  5.9
Shale, brownishgray, poor fissile to platybedded. carbonaceous; abundant plant fragments  0.3
Coal, Bed T(?), platyweathering; includes 3 brownishgray platybedded to fissile carbonaceous shale partings (0.2 ft. thick 0.4 ft. below top; 0.1 ft. thick 0.8ft. below top; 0.3 ft. thick 1.2 ft. below top); much wood remains; lower contact sharp  3.2
Siltstone, mediumgray, chunkyweathering, obscurely bedded, partly very thin bedded, hard, very clayey; locally abundant carbonaceous plant fragments; few randomly oriented large coalified wood fragments about 2 ft. below top; includes at top 0.5ft, bed o
Sandstone, mediumgray, platyweathering, laminated to platy bedded, partly friable, very fine grained, subangular, partly very clayey; lower contact sharp  3.5
Siltstone,  and shale; siltstone, brownishgray to mediumgray, chunky to poor platyweathering, platybedded to fissile; locally abundant carbonaceous plant fragments; forms upper half of unit; shale (6P41)*,mediumgray, obscurely bedded; common, plant fragm
Sandstone, and interbedded siltstone; sandstone, mediumgray, platyweathering, platybedded to laminated, very fine grained, subangular; includes few very thin beds of friable very finegrained sandstone; siltstone. mediumgray, obscurely bedded, clayey; com
Sandstone, mediumlightgray, slabbyweathering, poor cliffforming, platy to very thin bedded, crossbedded (sets about 1.5 ft. thick), friable, less friable in upper 2 ft., finegrained becoming very fine grained in upper 2 ft., subangular to subrounded; inc
Sandstone, mediumgray, mostly ironstained, platyweathering, evenly platybedded; abundant carbonaceous laminae 1.0
Sandstone, mediumlightgray, partly ironstained, slabby weathering, smooth steep slopeforming, platy to very thin bedded, even and platybedded in upper 2 ft.,crossbedded, friable, fine to mediumgrained in basal part becoming dominantly finegrained 5 ft. a
Siltstone, mediumgray, slabby to poor platyweathering, poor platy to very thin bedded, clayey; carbonaceous plant fragments locally abundant; grades to mostly mediumgray laminated very fine grained clayey sandstone in upper 1 ft.; lower contact sharp   4
Sandstone, mediumgray. ironstained, slabbyweathering, obscurely bedded, friable, very fine grained, subangular; lower contact fairly sharp  4.4
Siltstone, and interbedded sandstone; siltstone, mediumgray, platy to very thin bedded, clayey, partly sandy; common carbonaceous plant fragments; sandstone, mediumgray, slabbyweathering, obscurely very thin bedded, partly friable, very fine grained, sub
Sandstone, mediumgray, partly ironstained, slabbyweathering, obscurely very thin bedded, friable, very fine grained, subangular, very clayey; lower contact gradational  7.6
Siltstone, mediumgray, obscurely bedded, clayey, partly sandy; few carbonaceous plant fragments; includes at base 0.3ft. bed of mediumgray platy to very thin bedded shale with abundant small carbonaceous plant fragments  1.3
Coal, darkbrownishgray to black, platyweathering; abundant large coalified wood fragments; lower contact sharp  0.5
Siltstone, mediumgray, poor platy(?) weathering, obscurely bedded, clayey; abundant partly randomly oriented carbonaceous plant fragments  2.3
Coal, very impure, bony  0.3
Shale, mediumgray, poor platybedded; abundant carbonaceous plant fragments  0.3
Shale, mediumgray, poor platybedded; abundant carbonaceous plant fragments  0 0.4
Coal, very impure, bony  1.2
Shale, (6P32)*. mediumgray, partly browntinted, poor platy bedded; abundant partly randomly oriented carbonaceous plant fragments; some large randomly oriented wood fragments  0.7
Coal, very impure, bony  0.1
Sandstone, mediumgray to brownishgray, friable, very fine to finegrained; many carbonaceous films  0.2
Coal, Bed S, platyweathering; mostly large flattened coalified wood remains  5.0
Sandstone, mediumlightgray, steep fairly smooth slope forming, locally cliffforming, platy to thinbedded, cross bedded (sets less than 2 ft. thick), mostly friable, locally strongly ironcemented in thin beds and lenses up to 0.5 ft. thick, medium to coar
Coal, blocky to platy; upper 0.3 ft. impure; many large coalified wood fragments; 0.35ft. lenticular parting 1.2 ft. above base of brownishgray sandy clayey pyroclastic(?) siltstone; 0.1ft. parting of darkbrownishgray to darkgray carbonaceous shale at 0.
Siltstone, mediumgray, chunkyweathering, obscurely bedded, hard, clayey, mostly sandy; abundant randomly oriented carbonaceous plant fragments; few large randomly oriented plant remains; lower contact gradational  2.9
Sandstone, mediumgray, slabbyweathering, obscurely thin bedded, very fine grained, very clayey; some carbonaceous plant fragments; few long plant remains extend into this unit from underlying siltstone; lower contact gradational  2.7
Siltstone, mediumgray, chunky to hacklyweathering, obscurely bedded, clayey; common randomly oriented carbonaceous plant fragments; one long plant fragment about 0.05 ft. in diameter extends upward into the overlying unit; lower contact sharp  0.7
Siltstone, brownishgray, platyweathering, locally ledge forming, fissile to platybedded, clayey; abundant plant fragments on bedding; lower contact fairly sharp  0.6
Siltstone, mediumgray to partly brownishgray in upper 0.3 ft., chunkyweathering, obscurely bedded. clayey; many randomly oriented carbonaceous plant fragments; lower contact fairly sharp  2.5
Sandstone, mediumgray, partly ironstained, slabbyweathering, very thin bedded, fairly friable, very fine grained, subangular to subrounded; many carbonaceous laminae; lower contact sharp  2.6
Siltstone, mediumgray, chunky to poor slabbyweathering, obscurely bedded, very clayey, sandy in lower 3 ft.; common randomly oriented carbonaceous plant fragments; includes few ironstone nodules up to 0.3 ft. thick at 0.2 ft. above base; lower contact sh
Sandstone, mediumgray, poor slabbyweathering, obscurely platybedded, friable, very fine grained, subangular to subrounded; lower contact sharp  1.5
Siltstone, mediumgray, poor platy to slabbyweathering, obscurely thinbedded, clayey, sandy in upper 0.5 ft.; carbonaceous plant fragments locally common; includes ironstone nodules up to 0.2 ft. thick near middle; lower contact gradational  2.7
Sandstone, mediumgray, obscurely bedded, very fine grained, very clayey; poorly exposed; lower contact gradational  4.6
Siltstone, mediumgray, probably chunkyweathering, obscurely bedded, clayey; few carbonaceous plant fragments; poorly exposed; lower contact gradational  1.8
Sandstone, mediumgray, very thin bedded, slightly friable in part, very fine grained, subangular to subrounded, clayey  2.5
Siltstone, mediumgray, thinbedded(?), sandy; locally abundant carbonaceous plant fragments; includes few very fine grained sandstone laminae; lower contact gradational  2.5
Sandstone, mediumgray, slabbyweathering(?), friable, very fine to finegrained. subangular to subrounded; poorly observed; lower contact fairly sharp  3.2
Sandstone, mediumgray, platyweathering, laminated, very fine grained; lower contact fairly sharp  1.6
Siltstone, mediumgray, partly ironstained, very thin bedded(?), clayey; few small carbonaceous plant fragments; includes ironstone nodules up to 0.2 ft. thick about 0.5 ft. below top; lower contact gradational  4.0
Shale, (6P22)*, mediumgray, poor platyweathering(?), poor platybedded to fissile; abundant plant fragments1.0
Coal, platy, bony; abundant large coalified wood fragments; includes 0.2ft. lense of mediumbrown clayey siltstone at 0.5 ft. below top; 0.1ft. lenticular parting of lightgray claystone at 0.1 ft. below top  2.0
Sandstone, and interbedded siltstone; sandstone, mediumgray, slabbyweathering, very thin bedded, partly friable, very fine to finegrained, subangular to subrounded; siltstone, mediumgray to brownishgray, poor platy to slabbyweathering, obscurely bedded,
Siltstone, brownishgray, clayey; abundant plant remains  0.2
Shale, darkgray to black, fissile, carbonaceous; lower contact sharp  0.1
Sandstone, mediumgray, poor platy to slabbyweathering, very thin bedded, crossbedded, friable in middle part, very fine grained to partly finegrained, very silty in upper part; few large carbonaceous wood fragments in upper part; lower contact covered  3
Covered, interval  4.4
Sandstone and interbedded siltstone; sandstone, mediumgray, platyweathering, platy to very thin bedded, very fine grained; siltstone, mediumgray to brownishgray, poor platyweathering, very thin bedded, partly sandy, clayey; locally abundant carbonaceous
Siltstone, mediumlightgray, slightly brownishtinted, eventextured, platy to shardlikeweathering, very thin to platybedded, friable, pyroclastic; lower contact sharp  1.5
Shale, mediumgray, obscurely bedded; few plant fragments; grades to mediumgray clayey siltstone in upper 0.5ft.; includes at 0.5 ft. below top 0.1ft. bed of brownishgray platybedded clayey carbonaceous siltstone with abundant plant fragments; lower conta
Siltstone, and interbedded sandstone; Siltstone, mediumgray, very thin bedded. clayey, sandy; locally common plant fragments; sandstone, mediumgray to brownishgray, slabby to poor platyweathering, very thin bedded, very fine grained; occurs in beds up to
Sandstone, and interbedded siltstone; sandstone, mediumgray, poor slabbyweathering, obscurely bedded,  probably very thin bedded, very fine grained, very silty; siltstone, brownishgray, poor platyweathering, very thin bedded, clayey; common plant fragmen
Siltstone, mediumgray, slabbyweathering, poor platy to very thin bedded, clayey; some carbonaceous plant fragments  7.3
Sandstone, and interbedded siltstone; sandstone, mediumgray, laminated to very thin bedded, very fine to fine grained, silty, clayey; abundant carbonaceous material on bedding in basal 0.4 ft.; siltstone, mediumgray, probably laminated to platybedded, cl
Sandstone, mediumgray, slabbyweathering, obscurely bedded, probably crossbedded, friable, fine to very coarse grained with many granules in lower part becoming fine to mediumgrained in upper part, slightly clayey; includes in lower half many lenses and c
Sandstone, mediumgray, lightbrown ironstained, obscurely bedded, friable, finegrained; few fairly large carbonaceous plant fragments near base; includes at top 0.1ft. bed of mediumdarkgray fine to coarse grained sandstone; few siltstone lenses in lower 0
Siltstone, mediumgray, ironstained in 0.1ft. interval about 0.1 ft. below top, chunkyweathering, obscurely bedded; some carbonaceous plant fragments; includes few thin beds of very fine grained clayey sandstone in lower 0.5 ft.  3.9
Shale, mediumgray, obscurely bedded; many carbonaceous plant fragments; some slickensides in lower half; lower contact sharp  1.3
Siltstone, brownishgray, partly ironstained, clayey; many small carbonaceous plant fragments; lower contact gradational  0.2
Sandstone, mediumgray, obscurely bedded, very fine grained, subangular to subrounded, silty, clayey; few carbonaceous plant fragments; becomes siltstone in upper 0.2 ft.;lower contact covered  3.6
Sandstone, Covered interval; laterally consists of sandstone and siltstone  15.5
Sandstone, mediumgray, slabbyweathering, obscurely bedded, friable, very fine grained, angular to subangular; lower contact fairly sharp  1.0
Siltstone, mediumgray, chunkyweathering, obscurely bedded, clayey; scattered sand grains; some carbonaceous plant fragments; lower contact covered  1.8
Sandstone, Covered interval; laterally consists of sandstone and siltstone 9.0
Siltstone, mediumgray, poor platyweathering, laminated to poor platybedded, clayey; many carbonaceous plant fragments in a few thin beds; upper 1 ft. grades to laminated very fine grained silty sandstone with many carbonaceous plant fragments  5.0
Coal, and interbedded lenticular shale; coal, platyweathering; abundant large coalified wood remains; forms 5 beds up to 0.9 ft. thick; shale (6P7  from highest shale in unit)*, mediumlightgray, lightgrayweathering, mostly poorly bedded to nonbedded; abu
Siltstone, mediumlight to mediumgray~ partly brownish gray in upper part, chunky to poor platyweathering,. laminated to very thin bedded, poorly bedded in upper 0.7 ft., clayey; many carbonaceous plant fragments; some large randomly oriented coaly plant
Shale, medium to mediumdarkgray and brownishgray, chunkyweathering, poor platybedded,  abundant carbonaceous plant fragments; includes at base 0.4ft. bed of mediumgray poorly bedded shale; lenses of mediumlightgray and mediumbrownishgray shale about 0.5
Sandstone,  and interbedded siltstone; sandstone, mediumgray, laminated to very thin bedded, very fine grained, subangular to subrounded; locally abundant carbonaceous plant fragments on bedding; siltstone, mediumgray, chunky to poor platyweathering, obs
Sandstone, and interlaminated bone coal; sandstone, mediumgray, fissile to platyweathering, very fine grained, subangular to subrounded; lower contact sharp  1.0
Siltstone, mediumgray, chunky to poor platyweathering, obscurely bedded, probably very thin bedded, clayey, very sandy at base; few carbonaceous plant fragments; lower contact gradational  3.6
Sandstone, mediumgray, obscurely very thin bedded, friable in lower part becoming less friable upward, very fine to finegrained, angular to subangular, micaceous; lower contact sharp  5.8
Sandstone, mediumgray, platyweathering, laminated to very thin bedded, poorly friable, very fine grained; subangular to subrounded; large coalified wood fragments (possibly roots in growth position); some large coaly fragments extend into underlying silt
Siltstone, mediumgray, mostly platyweathering, some fissile weathering, fissile to platybedded, clayey; abundant carbonaceous plant fragments; includes carbonaceous beds and lenses up to 0.1 ft. thick; few very thin beds or lenses of bone coal; lower con
Siltstone, mediumgray, partly ironstained, mostly obscurely bedded but partly laminated, sandy to very sandy in upper part  1.5
Coal, platyweathering, bony; includes lightgray mediumgrained pyroclastic (?) grains; probably tuff or devitrified pumice  0.2
Sandstone, mediumdarkbluishgray, slabby to partly poor platyweathering, obscurely very thin bedded, soft, very fine grained, subangular, very silty; includes 3 beds of mediumgray sandy siltstone (0.5ft. bed near middle, 0.2ft. bed 0.5 ft. below top, and
Shale, and interbedded siltstone; shale, mediumdarkbluishgray, obscurely bedded, silty; few plant fragments and large coalified wood remains; siltstone, mediumgray, hacklyweathering, obscurely bedded, sandy; includes few very thin beds of mediumgray fria
Shale, mediumdarkbluishgray, obscurely bedded, silty; few plant fragments and large coaly wood remains at top  2.3
Coal, and interbedded siltstone and carbonaceous shale; coal, mostly platy, one 0.3ft. bed at top, very impure; siltstone, mediumgray, poor fissile to platy weathering, clayey; abundant carbonaceous plant fragments; lower contact fairly sharp  0.8
Sandstone, mediumgray, obscurely bedded, friable, fine grained becoming partly very fine grained in upper part, subangular to subrounded, silty; lower contacts harp  2.4
Siltstone, mediumgray, partly ironstained, mostly obscurely bedded, partly laminate to platybedded, clayey; few carbonaceous plant fragments; includes laminae and beds (as much as 0.05 ft. thick) of very fine grained sandstone in lower part  4.2
Coal, very impure; lower contact sharp  0.7
Sandstone, mediumgray, laminated, soft, very fine grained, subangular to subrounded, silty; grades into siltstone in upper half; very clayey in upper 1 ft.(8P83)*; few carbonaceous plant fragments; lower contact gradational  5.0
Siltstone, mediumgray, obscurely bedded, clayey; abundant carbonaceous plant fragments; upper half interlaminated with very fine grained silty sandstone; includes 0.1ft. bed of friable finegrained sandstone near middle; 0.1ft. bed of darkgray coaly shale
Sandstone, mediumgray, obscurely bedded, friable. fine to mediumgrained (lower 1 ft.) grading upward to very fine grained (upper 5.5 ft.). subangular to subrounded; upper part appears more quartzose than lower part; lower contact sharp and probably disco
Siltstone, mediumgray, slabbyweathering, obscurely bedded, clayey in upper 0.5 ft.; some carbonaceous plant fragments 4.9
Coal, impure; flattened coalified logs  0.2
Siltstone, mediumgray, poor laminated to platybedded, clayey; many carbonaceous plant fragments parallel to bedding  0.5
Coal, very impure  0.4
Siltstone, lightbrown, lightgrayweathering, irregular obscurely laminated, clayey, sandy; many carbonaceous plant fragments; probably of pyroclastic origin 0.1 0.5
Coal, blocky; many flattened coalified logs; lower contact fairly sharp  0.7
Siltstone, mediumgray, obscurely bedded, clayey; some carbonaceous plant fragments; upper part becomes carbonaceous siltstone; lower contact sharp 1.  1.5
Sandstone, mediumgray, ironstained, crossbedded, friable, finegrained, partly very fine grained (upper part),subangular to subrounded; lower contact sharp and probably disconformable  9.0
Siltstone, mediumgray, chunkyweathering, obscurely bedded, very clayey; lower contact fairly sharp  3.2
Siltstone, brown, darkgray platyweathering, obscurely bedded, very clayey; few carbonaceous plant fragments; upper 0.1 ft, includes flat siltstone clasts; lower contact fairly sharp  2.0
Siltstone, mediumgray, slabby to chunkyweathering (poorly observed), obscurely bedded, clayey; some small carbonaceous plant fragments, many large carbonaceous plant fragments normal to bedding; includes in middle a 1.5ft. bed of laminated to platybedded
Sandstone, mediumgray, ironstained, laminated to platy bedded, friable, very fine grained, subangular to subrounded, silty; lower contact sharp  3.5
Siltstone, mediumgray, obscurely bedded, clayey, shaly (upper 1 ft.), friable (lower 0.5 ft.); few carbonaceous plant fragments; lower contact gradational  3.9
Sandstone, mediumgray, ironstained, obscurely bedded, probably crossbedded, finegrained, very fine grained (upper 1 ft.), very silty (upper 0.5 ft.); includes few platy beds of ironrich clayey sandstone; lower contact sharp  6.0
Siltstone, mediumgray, obscurely bedded, friable, soft; few carbonaceous plant fragments  1.6
Ironstone, reddishbrown, clayey; lower contact sharp  0.1
OF-75-383-Sec-9
Siltstone, mediumgray, slabbyweathering, obscurely bedded, clayey; small and large carbonaceous plant fragments randomly oriented; lower contact fairly sharp  2.3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_9.pdf
Siltstone, darkgray, finely sandy, clayey, carbonaceous; abundant carbonaceous plant fragments on bedding; lower contact gradational  0.5
Sandstone, mediumgray, obscurely bedded, very fine grained, subangular, very silty, clayey; base concealed > 2.0
Claystone, mediumgray >1.0
Coal, shaly; upper most part of Bed B  0.4
Coal,  2.9
Shale, coaly  0.1
Coal,  1.6
Shale, coaly  0.5
Coal, lowest part of Bed S  0.4
Claystone (L1P28  from upper 0.5 ft. of unit)*, mediumgray, lightgrayweathering, silty; slightly carbonaceous sand coaly about 1.5 ft. below top   9.5
Siltstone, calcareous, concretionary  0.5
Siltstone, mediumdarkgray, ironstained, mediumgrayweathering, angularfracturing, soft, very clayey  9.5
Sandstone, lightgrayweathering, ironstained, massive, soft, very fine to finegrained; scattered calcareous concretions  6.0
Covered,  6.0
Siltstone, iron stained, lenticular, calcareous, concretionary  0.4
Coal, and coaly shale 0.3
Siltstone, mediumgray, angularfracturing, soft 2.6
Sandstone, (L135), mediumgray, massive, soft, friable,very fine grained, subangular to subrounded, clayey, silty in upper part 4.5
Siltstone, mediumgray, soft, coaly at top 4.5
Coal, and shaly coal 0.2
Sandstone, mediumgray, thickbedded, soft, very finegrained, silty, clayey 1.5
Siltstone, mediumdarkgray, soft, very clayey 2.0
Coal, very impure; includes some large woody remains; includes several lenses up to 0.1 ft. thick of lightbrown to lightbrownishgray siltstone with abundant lightgray grains of tuff or devitrified pumice; lower contact sharp  0.8
Shale, mediumgray, hacklyweathering, obscurely bedded, silty, partly sandy in lower half; carbonaceous plant fragments common in part; lower contact fairly sharp  3.6
Sandstone, mediumgray, obscurely bedded, mostly friable, very fine grained, very silty, shaly in basal part; lower contact gradational  1.2
Shale, medium to mediumlightgray, hacklyweathering, obscurely bedded, silty; carbonaceous plant fragments abundant in basal 0.3 ft. and scattered elsewhere in unit; lower contact sharp  4.2
Siltstone, mediumbrown to brownishgray, platyweathering, poor platybedded; many carbonaceous plant fragments on bedding; includes lightgray grains of tuff or devitrified pumice  0.7
Coal, dull, impure; upper twothirds of unit grades laterally into mediumbrown sandy siltstone with abundant lightgray grains of tuff or devitrified pumice; lower contact sharp  0.4
Shale, mediumgray to mediumdarkbluishgray, hacklyweathering, obscurely bedded, silty; scattered plant fragments randomly oriented; includes very thin interbeds of mediumgray siltstone in lower 1 ft.; lense up to 0.15 ft. thick of brownishgray coaly shale
Sandstone, mediumdarkbluishgray, fine to mediumgrained in lower 1 ft. becoming finegrained in middle and very fine grained in upper part, subangular, clayey, very silty; includes abundant darkgray shale flakes; few very thin beds of mediumgray siltstone
Siltstone, and shale; siltstone, mediumgray to mediumdark bluishgray, obscurely bedded, very sandy; shale, mediumgray, obscurely bedded, very silty; some carbonaceous plant fragments  0.7
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, friable, very fine to fine grained with scattered medium grains near middle, subangular, clayey to very silty; abundant darkgray shale flakes; plant remains near middle; includes 0.2ft.
Shale, mediumgray, obscurely bedded; abundant small plant fragments; scattered large wood fragments; lower contact sharp  1.5
Sandstone, mediumgray, obscurely bedded, friable, very fine to finegrained, subangular, clayey, very silty; many small darkgray shale flakes; abundant plant fragments in top 0.2 ft.; includes few very thin beds or lenses of mediumgray siltstone; lower co
Shale, mediumgray; abundant large coalified tree remains; includes few very thin lenses of mediumgray to mediumdarkbluishgray friable very fine to finegrained,   sandstone  0.3
Sandstone, mediumdarkbluishgray, partly ironstained, slabbyweathering, obscurely bedded, soft, friable, very fine grained with the upper 1 ft. becoming mainly siltstone, subangular, clayey, very silty; many small darkgray shale flakes; few large plant fr
Sandstone, and interbedded siltstone; sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, very fine grained, subangular, clayey, very silty; siltstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, clayey; some large coaly  w
Shale, mediumgray to mediumdarkbluishgray, obscurely bedded, very silty; some carbonaceous plant fragments; few large plant fragments near top, lower contact gradational 1.0
Shale, mediumgray to mediumdarkbluishgray, chunky to poor platyweathering, obscurely bedded, very silty; scattered to abundant very fine grained white to clear feldspar crystals and pumice(?) fragments in lower two thirds of unit  2.9
Shale, mediumgray, hacklyweathering, obscurely bedded, silty; common carbonaceous plant fragments; lower contact sharp  3.4
Siltstone, brownishgray, poor platyweathering, poor platy to very thin bedded, very sandy, micro breccia; includes abundant olivegray and darkgray mediumgrained shale flakes and lightgray pumice(?) fragments; lower contact gradational  1.2
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, friable, fine to mediumgrained, subangular, very clayey in upper 0.3 ft., very silty; abundant darkgray medium to finegrained shale flakes; lower contact fairly sharp  2.5
Sandstone, mediumdarkbluishgray, partly platy to very thin bedded, partly crossbedded, fairly friable, fine to mediumgrained, scattered coarse grains in lower 4.5 ft., subrounded to subangular, clayey, very silty; subequal quantities of monomineralic gra
Shale, and interbedded sandstone; shale, mediumgray, hacklyweathering, obscurely bedded, silty; includes some brownishgray poor platybedded clayey shale with abundant plant fragments; sandstone, mediumgray, partly ironstained, fine to mediumgrained; incl
Shale, mediumgray to mediumdarkbluishgray, hacklyweathering, obscurely bedded, silty; some small plant fragments; lower contact sharp  6.4
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded,  friable, very fine to finegrained, subangular, clayey, very silty; abundant small darkgray shale flakes; lower contact gradational  3.6
Siltstone, and interbedded sandstone; siltstone, mediumgray, very thin bedded, partly platybedded, very clayey; sandstone, mediumgray, slabby to poor platyweathering, very thin bedded, friable, very fine grained, subangular, clayey, very silty; few small
Shale, mediumgray, hackly to conchoidalweathering, obscurely bedded, tough, compact, silty; few carbonaceous plant fragments; many large coalified tree remains at base and top; lower contact fairly sharp  1.5
Siltstone, mediumgray, slabbyweathering, obscurely bedded, sandy to very sandy in upper half; includes few thin beds of mediumgray friable very fine grained clayey very silty sandstone; lower contact gradational  9.6
Siltstone, mediumgray, slabbyweathering, obscurely bedded, partly sandy, clayey at base; abundant carbonaceous plant fragments in part  6.6
Shale, medium to mediumdarkgray, poor fissile to platy bedded, carbonaceous; abundant plant fragments; includes fissile bone coal stringers; 0.02ft., lense near middle of lightgray fine to mediumgrained sandstone with clear feldspar crystal fragments and
Shale, mediumgray, poor platybedded to fissile in part, silty; abundant small carbonaceous fragments; lower contact fairly sharp  3.4
Shale, and interbedded carbonaceous shale, medium to darkgray, deeply weathered, fissile; abundant plant fragments and large carbonaceous wood remains; poorly developed vertical cleat and the appearance of coal; lower contact sharp  1.5
Siltstone, mediumgray, partly brownishgray, poor platyweathering in lower part and slabby to hack lyweathering in upper part, platybedded in lower part to lower obscurely bedded in upper part, very clayey in upper 0.5 ft.; some leaf impressions in part;
Shale, (7P28)*, mediumgray, hacklyweathering, obscurely bedded, silty; common carbonaceous plant fragments; lower contact gradational  5.0
Siltstone, mediumgray, slabby to poor platyweathering, platybedded, soft, clayey; few carbonaceous plant fragments; includes several beds up to 0.5 ft. thick of mediumgray friable very fine grained subangular sandstone; unit poorly exposed; lower contact
Sandstone, mediumgray, very thin bedded, crossbedded, friable, fine to mediumgrained in lower 2 ft. becoming finegrained above, subangular, silty; few leaf impressions 6 ft. above base; includes abundant black rock fragments; few thin beds and lenses of
Sandstone, mediumgray, poor platy to slabbyweathering, platy to very thin bedded, partly friable, very fine grained, subangular, very silty; includes a few very thin interbeds of mediumgray sandy siltstone; lower contact sharp  6.0
Siltstone, and interbedded sandstone; siltstone, mediumgray, platybedded, clayey, partly calcareous; sandstone, mediumgray, partly ironstained, platy to very thin bedded, friable, very fine grained, subangular; includes few thin beds of mediumgray shale;
Sandstone, mediumgray, ironstained, slabbyweathering, obscurely bedded, friable, very fine grained, subangular, very silty; common small darkgray shale flakes; lower contact sharp  2.7
Siltstone, mediumdarkbluishgray, slabby to poor platy weathering in upper 1.5 ft., obscurely bedded, clayey in upper 1.5 ft.; few plant fragments in lower half; includes very thin beds of friable very fine grained sandstone in 1ft. interval near middle;
Sandstone, mediumgray to mediumdarkbluishgray, partly ironstained, slabbyweathering, obscurely bedded, partly platy to very thin bedded, partly crossbedded, mostly friable, very fine grained, subangular, very clayey, very silty; includes few fine to medi
Siltstone, mediumgray, partly ironstained, slabby to poor platyweathering, partly platy to thinbedded, some what unevenbedded, partly sandy; locally common plant fragments; coalified tree remains in 0.5ft. interval near middle; includes few thin beds of
Siltstone, mediumgray, slabbyweathering, obscurely bedded, eventextured, soft, sandy; lower contact fairly sharp  1.5
Shale, (7P21)*, mediumgray, obscurely bedded, very silty; abundant carbonaceous plant fragments in lower part; includes 0.6ft. interval of brownishgray shale in middle; bonecoal lenses up to 0.4 ft. thick and large carbonaceous wood remains; lower contac
Siltstone, and interbedded sandstone; siltstone, mediumgray to mediumdarkbluishgray, slabbyweathering, obscurely bedded, partly sandy; sandstone, mediumgray to mediumdarkbluishgray, slabby weathering, obscurely bedded, friable, very fine grained; subangu
Sandstone, mediumgray, slabbyweathering, poor platy bedded, very fine grained, subangular, clayey, very silty; includes in lower part interbedded siltstone and shale with many plant fragments; 0.1ft. lense 0.5 ft. above base of darkbrownishgray to dark g
Siltstone, mediumgray to mediumdarkbluishgray, hackly to poor slabbyweathering, obscurely bedded, sandy; some large wood remains; lower contact gradational  1.6
Sandstone, mediumgray to mediumdarkbluishgray, slabbyweathering, obscurely bedded, probably platy to very thin bedded, very fine grained, subangular, very silty, very clayey; lower contact gradational  1.8
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded  to very thin bedded, crossbedded, friable, mostly medium to coarsegrained, some very coarse grains and granules in lower 3 ft., finegrained in upper 1 ft., predominately composed of dar
Shale, mediumgray, hackly to poor slabbyweathering, obscurely bedded, clayey to very silty; plant fragments common in upper half and scattered in lower half  3.5
Sandstone, mediumdarkbluishgray, obscurely bedded, very fine grained, subangular, silty, very clayey; abundant darkgray shale flakes; upper 0.5 ft. dominantly siltstone; includes at 0.5 ft. below top lense less than 0.1 ft. thick of yellowishbrown very f
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, friable, very fine to finegrained, subangular, very silty; abundant darkgray shale flakes; lower contact sharp  3.3
Shale, (7r,13)*, mediumgray, obscurely bedded, silty; some small plant fragments and large coalified wood remains; slickensided in part; lower contact sharp  1.1
Sandstone, mediumdarkbluishgray, partly ironstained (particularly in upper 1 ft.), mostly slabbyweathering, friable in lower 3 ft., very fine to fine grained, clayey in upper 1 ft.; abundant darkgray shale flakes; some large coaly wood fragments; lower c
Siltstone, mottled mediumgray and brownishgray in lower part to mostly darkbrownishgray in upper part, fissile to chunkyweathering, obscurely to poor platy bedded in upper part, carbonaceous in part; fine grains of tuff, clear feldspar and devitrified gl
Siltstone, mediumgray, obscurely bedded, soft, sandy in upper 1 ft., clayey; some carbonaceous plant fragments and few large coalified wood remains in lower part; lower contact sharp  3.4
Sandstone, mediumgray to mediumdarkbluishgray, slabbyweathering, obscurely bedded, friable, very fine to mediumgrained, upper 0.8 ft. mostly very fine grained, subangular, clayey, very silty, poorly sorted; abundant darkgray shale flakes; lower contact g
Siltstone, and interbedded shale; siltstone, mediumgray, obscurely bedded, silty,  sandy; common randomly oriented plant fragments; shale, mediumgray, obscurely bedded, very silty; common randomly oriented plant fragments; unit weathers slabby and includ
Siltstone, and bone coal; siltstone, brownishgray to mediumgray, poor fissile to platybedded, clayey, carbonaceous in part; many plant fragments; coal, impure, weathered, lenticular; large coalified wood remains; lower contact gradational; unit probably
Siltstone, mediumgray, slabby to hacklyweathering, obscurely bedded, clayey; few small plant fragments; few large coaly wood fragments about 1 ft. above base and in upper 0.5 ft.; includes some interbedded shale in lower half; lower contact sharp  9.7
Siltstone, mediumgray becoming brownishgray in upper part, platybedded and hard in upper half, mostly clayey, sandy in upper part; coalified wood fragments at top; lower contact gradational  3.0
Sandstone, mediumdarkbluishgray, slabbyweathering, obscurely bedded, friable, medium to coarsegrained in lower 3 ft. becoming mostly mediumgrained in middle part and very fine grained in upper 3 ft., subangular, clayey, very silty; abundant darkgray shal
Siltstone, mediumgray, obscurely bedded, sandy in lower part, very clayey, slickensided; plant remains common; abundant lightgray grains and granules of tuff and devitrified pumice; common clear feldspar grains; solution cavities(?) in 1.5ft. interval 1
Sandstone, mediumgray, mostly ironstained, slabbyweathering, partly very thin bedded, partly laminated, soft, friable, very fine grained, subangular, very silty in upper part; includes a 2.5ft. bed of mediumgray obscurely bedded siltstone near middle; po
Siltstone, mediumgray, ironstained, hacklyweathering, obscurely bedded, partly sandy; includes very thin interbeds of mediumgray platybedded friable very fine to mediumgrained very silty sandstone; scattered yellowishbrown poorly defined concretions up t
Sandstone, mediumgray, slabbyweathering, platy to very thin bedded, platybedded in upper 1 ft., friable, very fine grained, subangular, clayey, very silty; common darkgray rock fragments; lower contact fairly sharp  4.2
Siltstone, and interbedded sandstone; siltstone, mediumgray to mediumdarkbluishgray, platy to very thin bedded soft, sandy; sandstone, mediumgray, platy to very thin bedded, soft, very fine grained; unit weathers hackly; includes 1ft. bed of mediumgray f
Siltstone, mediumgray to mediumdarkbluishgray, hacklyweathering, obscurely bedded in lower half, platy bedded to laminated in upper half, clayey; includes 0.1ft. irregular bed of mottled yellowishbrown siltstone 0.2 ft. below top; lower contact gradation
Sandstone, mediumgray to mediumdarkbluishgray, slabbyweathering, mostly obscurely bedded, partly very thin bedded, mostly soft, partly friable, mediumgrained in basal 1 ft. becoming very fine grained above, subangular, clayey, very silty; lower contact s
Siltstone, (7P'  3 ft. above base)*, mediumgray to mediumdarkbluishgray, hacklyweathering in upper 4 ft., poor platyweathering in upper 0.5 ft., poor conchoidally fracturing, mostly obscurely bedded, platy bedded in upper 4 ft., partly laminated in upper
Siltstone, (8P96  middle part)*, mediumgray, mostly light olivegrayweathering, partly ironstained, chunkyweathering, obscurely bedded, clayey, sandy in basal1 ft.; abundant carbonaceous plant fragments; clayey ironstone nodules 0.1ft. thick about 3.5 ft.
Sandstone, mediumlightgray, partly ironstained, slabbyweathering, laminated to platybedded, soft, friable, very fine grained, subangular to subrounded; lower contact gradational  5.5
Sandstone, mediumgray, partly ironstained, mostly obscurely bedded but laminated to platybedded in upper 1.5 ft., friable, fine to mediumgrained (lower 1ft.) grading upward to very fine grained (upper 1.5ft.), subangular to subrounded; lower 3 ft. includ
Siltstone, mediumlightgray, partly ironstained, mostly platybedded, hard, tough, clayey; some carbonaceous plant fragments; several very thin ironrich beds  0.5
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey, mostly sandy; many carbonaceous plant fragments; includes at 0.1 ft. below top a 0.2ft. lense of sandstone similar to below; lower contact sharp and irregular  1.1
Sandstone, mdiumlightgray, mostly ironstained, obscurely bedded, friable, very fine to finegrained, subangular to subrounded; lower contact sharp  1.8
Siltstone, mediumgray, deeply ironstained and hard in upper 0.2 ft., obscurely bedded, clayey; many carbonaceous plant fragments; lower contact sharp  1.2
Sandstone, mediumgray, mostly ironstained, mostly obscurely bedded, friable, very fine grained, subangular to subrounded; lower contact sharp  4.0
Sandstone, mediumgray, partly ironstained, mostly laminated to platybedded, partly friable, very fine grained, subangular to subrounded, silty, very clayey in upper1 ft.; upper half includes numerous irregular thin (about 0.1 ft.) beds of mediumgray clay
Siltstone, mediumgray, partly ironstained, slabbyweathering, partly laminated to platybedded, obscurely bedded (middle), clayey; some carbonaceous plant fragments, large coalified plant fragments near base; includes at 1.5 ft. above base a 1.3ft. bed of
Coal, includes at 0.7 ft. above base a 0.5ft. bed of brownishgray weathered clayey siltstone; lower contact fairly sharp  2.8
Siltstone, mediumgray, chunkyweathering, obscurely bedded, clayey; many randomly oriented carbonaceous plant fragments; upper 0.1 ft. becomes mediumdark gray laminated to platybedded carbonaceous siltstone1.0
Sandstone, mediumgray, platy to slabbyweathering, laminated to platybedded (lower half), very fine to fine grained, subangular to subrounded, silty, clayey; abundant carbonaceous material near base, numerous large coalified wood fragments at high angle t
Siltstone, mediumgray, mediumdarkgray (middle), platy weathering, obscurely bedded, sandy in upper 0.2 ft.,very clayey in lower 0.5 ft.; many carbonaceous plant fragments  2.4
Coal, poor blocky to platyweathering; wavy flattened coalified logs; includes at 0.8 ft. above base a lenticular bed (00.2 ft.) of brownishgray fissile to platyweathering clayey siltstone with many carbonaceous plant fragments; at 0.3 ft. below top lense
Siltstone, mediumgray, lightgrayweathering, obscure platy to very thin bedded, very clayey; many small and large carbonaceous wood fragments mostly parallel to bedding0.3 0.8
Coal, platyweathering, very impure  0.2 0.4
Siltstone, mediumdarkgray, partly ironstained. laminated to platybedded, clayey, very sandy; abundant carbonaceous plant fragments on bedding; lower contact sharp 0.4
Sandstone, mediumgray, mostly ironstained, obscurely bedded, friable, finegrained, subangular to subrounded, slightly silty; some randomly oriented carbonaceous plant fragments; includes in upper 1 ft. very thin irregular beds and lenses of mediumgray to
Siltstone and interbedded sandstone; siltstone, mediumgray, chunkyweathering, obscurely bedded, clayey; many carbonaceous plant fragments; sandstone (lower half of unit), mediumgray, obscurely bedded, friable, fine to mediumgrained at base becoming very
Siltstone, mediumgray, partly ironstained, mostly obscurely bedded, some laminated to platybedded, clayey; includes 2 carbonaceous clayey siltstone beds (each about 0.1ft. thick) at 0.2 ft. and about 8 ft. above base; few beds as much as 1 ft. thick of m
Siltstone, mediumgray, obscurely bedded, clayey; few carbonaceous plant fragments; lower contact gradational  2.6
Sandstone, mediumgray, partly ironstained, mostly laminated to platybedded; partly obscurely bedded, very fine grained, subangular to subrounded; includes at7.5 ft. above base a 1.5ft. bed of mediumgray, ironstained friable finegrained clayey sandstone (
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly ironstained, laminated to platybedded (partly obscure), partly friable, very fine grained, subangular to subrounded; forms beds mostly 24 ft. thick; includes 3 friable finegrained sandst
Sandstone, mediumgray, ironstained, mostly laminated to platybedded, finegrained (basal 1 ft.) to very fine grained, subangular to subrounded. very silty (upper 2 ft.); some laminae of very fine carbonaceous material; some ironrich beds as much as 0.05 f
Sandstone, mediumgray, partly laminated to platybedded, friable, very fine grained, subangular to subrounded, very silty; includes at 1 ft. above base a 0.5ft. bed of friable finegrained sandstone; upper half becomes partly ironstained clayey siltstone;
Coal, and interbedded siltstone and carbonaceous shale (lenticular beds as much as 0.5 ft. thick); coal, platyweathering; flattened coalified logs; siltstone, mediumgray to brownishgray, obscurely bedded, clayey, some carbonaceous plant fragments and lar
Siltstone, medium to mediumdarkgray, obscurely bedded, clayey; very carbonaceous in basal 0.5 ft.; many carbonaceous plant fragments, many large plant fragments in upper 1 ft.; lower contact gradational  4.4
Sandstone, mediumgray, mostly obscurely bedded, laminated to platybedded (at 9.512 ft. above base), mostly friable, fine to mediumgrained (basal 1.5 ft.) grading upward to very fine grained and very silty (upper 4 ft.), subangular to angular; fine carbon
Siltstone, mediumgray, clayey; carbonaceous plant fragments 0.3
Coal, includes 0.1ft. bed of darkgray carbonaceous shale 0.2 ft. below top  1.3
Siltstone, mediumbrown, clayey  0.5
Coal, much medium to darkgray carbonaceous shale in basal 0.3 ft.; includes 0.1ft. lenticular bed of mediumbrown siltstone 0.5 ft. below top  1.1
Siltstone, mediumgray, obscurely bedded, clayey; many carbonaceous plant fragments  0.5
Coal, includes 0.2ft. bed of darkgray very carbonaceous shale in middle  0.8
Sandstone, mediumgray, partly ironstained, obscurely bedded, probably partly crossbedded, friable, fine to mediumgrained (basal part) grading upward to very fine grained and very silty (upper most part), subangular to subrounded; lower contact sharp  11.
Siltstone, medium to mediumdarkgray, mostly obscure platybedded, clayey, sandy in basal part; many carbonaceous plant fragments in part; lower contact gradational  2.7
Siltstone, mediumgray, partly brownish  tinted, obscurely bedded, clayey; abundant carbonaceous plant fragments, some large flattened coalified logs; includes very irregular coal lenses as much as 0.5 ft. thick near middle; lower contact ¦wavyª and irreg
Coal, platy to blockyweathering; includes a 0.2ft. bed of brownishgray carbonaceous shale at base and lenticular bed of mediumbrown siltstone about 0.10.2ft. thick at 0.2 ft. below top  1.3
Siltstone, mediumgray, obscurely bedded, very clayey; many randomly oriented carbonaceous plant fragments; includes at top 0.5ft. bed of mediumgray nonbedded claystone (8P59)* (underclay?) with abundant plant fragments ana many slickensides  3.0
Sandstone, mediumgray, partly ironstained, obscurely bedded, friable, finegrained to very fine grained at top! subangular to subrounded; lower contact fairly sharp  2.5
Siltstone, mediumgray, partly ironstained, chunky to poor slabbyweathering, obscurely bedded, hard, very clayey; some carbonaceous plant fragments; lower contact gradational  4.6
Shale, (8PS8)*, darkgray (base) to mediumgray (top), obscurely bedded; abundant carbonaceous plant fragments; lower contact gradational  0.7
Coal, very impure; lower contact sharp  0.3
Sandstone, mediumgray, mostly ironstained, partly irregular laminated to platybedded, mostly friable, very fine grained, subangular to subrounded, silty, clayey; few ironstone nodules less than 0.1 ft. thick about 3ft. above base; some carbonaceous plant
Sandstone, and interbedded siltstone (subequal amounts); sandstone, mediumgray, mostly laminated to platy bedded, partly friable, very fine grained, subangular to subrounded; abundant fine carbonaceous material on many bedding planes; forms beds about 12
Sandstone, mediumgray, partly reddishbrown stained (caused by burning of underlying coal), obscurely bedded, very fine grained, subangular to subrounded, very silty, clayey 7.0
Coal bloom, Bed U (?), deeply weathered, clayey; includes at top yellowishbrown and reddishbrown coal ash 0.1 ft. thick 1.0
Siltstone, mediumgray, upper part stained reddishbrown (result of burning of overlying coal?), obscurely bedded, clayey in basal 0.2 ft.; lower half includes numerous thin beds of laminated to platybedded very fine grained subangular to subrounded sandst
Sandstone, mediumgray, partly ironstained, poor platyweathering, laminated to playbedded, partly friable, very fine grained, subangular to subrounded, mostly silty; includes at base a 0.5ft. bed of friable finegrained sandstone and a similar bed about 5
Siltstone, mediumgray, slabbyweathering, obscure platybedded, clayey, very sandy; few carbonaceous plant fragments; includes at base a bed of platyweathering mediumdarkgray clayey siltstone about 2.5 ft. thick; near middle a few beds of mediumgray very f
Coal, Bed T (?), platy to blockyweathering, impure; many flattened coalified logs in upper half; includes near middle a 0.1ft. lenticular bed of mediumgray clayey siltstone; lower contact fairly sharp  1.5
Shale, (8P51)*, mediumdarkgray, poor fissilebedded, silty; abundant carbonaceous plant fragments mostly on bedding; locally includes 0.2ft. coal at base; lower contact fairly sharp  1.6
Siltstone, mediumgray, partly ironstained, locally slabbyweathering, obscurely bedded, hard in basal 1 ft., very clayey; scattered randomly oriented carbonaceous plant fragments; ironstone nodules in basal 1 ft., near middle, and in upper 0.2 ft.; lower
Sandstone, mediumgray, ironstained, laminated to platy bedded, friable, very fine grained, subangular to subrounded, clayey, very silty in upper 2 ft.; lower contact gradational  8.6
Sandstone, mediumgray, obscurely bedded, friable, fine grained, subangular to subrounded; lower contact gradational  2.8
Sandstone, mediumgray, ironstained, poor platyweathering, laminated to platybedded, friable, very fine grained, subangular to subrounded, silty, clayey; hard ironrich bed 0.1 ft. thick 0.3 ft. above base; lower contact fairly sharp  1.5
Sandstone, mediumgray, mostly ironstained, massive weathering, poor cliffforming, laminated to platybedded, crossbedded (crossbed sets about 1.5 ft. thick), partly friable, finegrained, subangular to subrounded; few ironrich lenses as much as 0.5 ft. thi
Shale, mediumgray, obscurely bedded; many carbonaceous plant fragments; abundant coalified wood fragments in 0.1ft. zone 0.5 ft. above base; lower contact sharp  3.4
Coal, platyweathering, very impure; lower contact fairly sharp  0.3
Siltstone, mediumgray, obscurely bedded, clayey; abundant randomly oriented carbonaceous plant fragments; lower contact fairly sharp  1.8
Coal, platyweathering, very impure; lower contact gradational  0.7
Siltstone, medium to mediumdarkgray, partly ironstained, poor platy to chunkyweathering, partly laminated, partly carbonaceous, clayey; abundant carbonaceous plant and wood fragments; lower contact sharp 2.9
Siltstone, mediumgray, slabbyweathering. probably laminated to platybedded (obscure), clayey; abundant carbonaceous plant fragments (roots?) in part, some leaf impressions; grades into mediumgray obscurely bedded friable very fine grained subangular to s
Coal, Bed S (?), platy to massiveweathering, partly very impure; many flattened coalified logs; includes 0.1ft. lenticular bed of brownishgray sandy carbonaceous siltstone 0.1 ft. below top; lower contact sharp 3.6
Sandstone, and interbedded siltstone, mostly similar to below; many carbonaceous plant fragments and large randomly oriented coalified wood fragments; includes at base bed of mediumgray friable fine to mediumgrained subangular to subrounded silty sandsto
Sandstone, and interbedded siltstone; sandstone, mediumgray, much ironstained, partly laminated, mostly friable, very fine grained, subangular to subrounded; includes at 8.8 ft. above base a 0.3ft. bed of mediumgray ironstained hard sandy clayey siltston
Siltstone, mediumgray, obscurely bedded, clayey, partly sandy; some carbonaceous plant fragments randomly oriented in part  3.0
Coal, locally sharp variation in thickness; lower contact sharp 1.2 1.9
Siltstone, and interbedded sandstone, slabby to chunkyweathering; siltstone, mediumgray, obscurely bedded, clayey; abundant carbonaceous plant fragments in part; sandstone, mediumgray, partly laminated, friable, very fine grained, subangular to subrounde
Siltstone, lightgray to yellowishgray, sandy; may be a very fine grained tuff or volcanic ash  0.15
Siltstone, darkgray, carbonaceous, clayey  0.3
Coal, impure  0.4
Shale, (8P39)*, mediumdarkgray, poor platybedded; abundant carbonaceous plant fragments and coal stringers mostly parallel to bedding; lower contact gradational  1.6
Siltstone, yellowishgray, partly laminated, clayey; few carbonaceous plant fragments; may be a very fine grained tuff or volcanic ash  4.6
Siltstone, mediumgray, partly ironstained, obscure platybedded, clayey; many carbonaceous plant fragments in part; includes few beds as much as 1 ft. thick of mediumgray partly laminated to platybedded very fine grained sandstone; lower contact fairly sh
Sandstone, mediumgray, partly ironstained; partly faint platybedded, friable, finegrained, subangular to subrounded; very fine grained and partly laminated in upper 3 ft.; abundant carbonaceous plant fragments in 0.1ft. zone 4.3 ft. above base; lower con
Siltstone, similar to below, partly mottled; includes lightgray deeply weathered irregular coarse clayey grains (volcanic origin?) in 0.10.2ft. beds about 5 ft. above base and in upper part; few interbeds of sandstone similar to below  13.
Siltstone, mediumgray, slabby to poor platyweathering, partly laminated to obscure platybedded~ clayey; carbonaceous plant fragments scattered to abundant; includes several beds, about 1 ft. thick, of medium gray very fine grained sandstone; lower contac
Siltstone, (volcanic ash?), mediumlightgray, obscurely bedded, soft, clayey  0.1
Siltstone, mostly mediumlightgray, brownishgray (upper1.5 ft.), partly slabby to poor platyweathering, obscure platybedded, clayey; many carbonaceous fragments in part (some randomly oriented); includes near middle a bed, about 2 ft. thick, of medium gra
Siltstone, medium to darkgray, obscurely bedded, clayey; some carbonaceous plant fragments; includes in middle, a bed, about 0.5 ft. thick, of mediumgray very fine grained sandstone; lower contact sharp  1.5
Shale, darkgray, poor fissile to platybedded, carbonaceous; abundant plant fragments  0.2
Coal, mostly platy to partly blockyweathering; lower contact sharp 1.9
Siltstone, (8P32) *, mediumdarkgray, partly brown tinted, poorly fissile to platybedded, hard, clayey; abundant carbonaceous plant fragments; lower contact sharp  0.9
Siltstone, and interbedded sandstone; siltstone, medium gray, poor platyweathering, clayey; abundant carbonaceous plant, fragments in 0.2ft. zone 2 ft. below top; sandstone , generally similar to below; beds as much as 2 ft. thick; includes a 0.1ft. coal
Sandstone, mediumgray, partly ironstained, poor platy weathering, laminated to platybeaded, partly crossbedded, very fine grained, partly very silty ) clayey; many carbonaceous laminations in part; includes a few siltstone beds similar to above and as mu
Coal, (locally burned), platy to blockyweathering, impure in upper 0.7 ft.; many flattened coalified logs  2.1
Siltstone, mediumgray, poor platybedded, clayey, finely sandy; many carbonaceous plant fragments in some beds (locally oxidized to reddishbrown color near top of unit); includes near base 2 beds of carbonaceous shale (baked red locally) about 0.1 ft. thi
Shale, darkgray, fissile, carbonaceous  0.5
Coal, platy to partly blockyweathering  1.5
Siltstone, and interbedded sandstone; siltstone, mediumgray, mostly poor platy and some hacklyweathering, obscure platybedded, clayey; abundant carbonaceous plant fragments in part; sandstone, mediumgray, partly laminated, very fine grained. subangular t
Coal, platyweathering, very impure; includes in middle a 0.2ft. lenticular bed of mediumlightgray hacklyweathering obscurely' bedded clayey siltstone with many carbonaceous plant fragments 1.0
Siltstone, (8P23)*, as above 0.3
Coal, platyweathering; lower 0.3 ft. grades into carbonaceous shale; lower contact sharp  0.8
Siltstone, mediumlightgray, chunkyweathering, obscurely bedded, hard, clayey, micaceous; abundant carbonaceous plant fragments (roots?); upper 0.4 ft. becomes lightbrownishgray and poor pIaty bedded  4.0
Siltstone, mediumgray, obscurely bedded (lower 5.5 ft.)and laminated to platybedded (upper  6.3 ft.), clayey; some randomly oriented carbonaceous plant fragments; includes several sandstone beds as much as 0.5 ft. thick in upper 6.3 ft. and at top a bed
Siltstone, mediumgray, poor platyweathering, laminated to platybedded, clayey, some carbonaceous plant fragments; includes several beds, about 0.5 ft. thick, of friable very fine to finegrained subangular to subrounded sandstone; 1.8ft. bed of sandstone
Coal, Bed R (?), includes 0.1ft. bed of hard brownishgray shale 1 ft. below top; lower contact sharp  2.0
Siltstone, mediumgray, partly ironstained. hacklyweathering, obscurely bedded, clayey; many randomly oriented small and large carbonaceous plant fragments; includes a 0.5ft. bed of very fine grained friable subangular to subrounded sandstone about 1.5 ft
Sandstone, mediumgray, mostly ironstained, slabbyweathering: obscure platybedded, crassbedded, friable, fine to mediumgrained  (lower part) grading upward to very fine grained (upper third), subangular to subrounded; basal 1 ft. includes irregular lenses
Sandstone, and interbedded siltstone; sandstone, mediumgray, partly ironstained, obscure platybedded, friable, very fine to finegrained, subangular to subrounded; siltstone, mediumgray, partly ironstained, platybedded, clayey; some carbonaceous plant fra
Siltstone, mediumgray, partly ironstained, poor platy weathering, laminated to platybedded, clayey; some carbonaceous plant fragments; Iower contact gradational  3.1
Siltstone, mediumdarkgray to brownishgray, platybedded, clayey; abundant carbonaceous plant fragments; includes at base a 0.5ft. bed of mediumgray silty shale  with many plant fragments; very thin coal stringers about 0.5 ft.  below top; lower contact sh
Sandstone, mediumgray, obscurely bedded, friable, fine grained, subangular to subrounded; locally includes 0.2ft. carbonaceous zone about 2 ft. below top; lower contact sharp  6.2
Siltstone, mediumgray, brownishgray (middle), chunky to hacklyweathering, obscure very thin to thin bedded, clayey; many randomly oriented carbonaceous plant fragments  2.8
Sandstone, mediumgray, probably poor platyweathering, laminated to platybedded, very fine grained, subangular to subrounded; scattered carbonaceous plant fragments; lower half includes few beds, about 0.5ft. thick, of finegrained sandstone 17.8
Shale, Covered interval; probably silty shale in lower half  6.7
Coal, (?), deeply weathered  0.1
Shale, light to mediumbrown, deeply weathered; appears bentonitic  0.2
Shale, darkgray, poor platybedded; abundant large carbonaceous plant fragments in lower part; some coal stringers in upper part; includes 0.5ft. platy weathering coal bed in middle  2.1
Coal, platyweathering; upper 0.3 ft. probably very impure with many flattened coalified logs; includes at 2.3ft. above base a 0.1ft. some what lenticular bed of lightbrown clayey siltstone (finegrained tuff?) with abundant carbonaceous plant fragments; l
Siltstone, mediumgray, obscure platybedded, clayey; few carbonaceous plant fragments; includes 1ft. bed of mediumgray laminated very fine grained sandstone 0.5ft. below top  5.5
Sandstone, mediumgray, obscure laminated to platybedded, friable, very fine grained, subangular to subrounded, silty; includes siltstone interbeds and becomes mostly siltstone in upper half; lower contact sharp  5.0
Sandstone, mediumlightgray, partly ironstained, massive weathering, platybedded, much crossbedded (crossbed sets about 1 ft. thick), friable, fine to mediumgrained (lower 6 ft.) becoming finegrained upward, subangular to subrounded; some very carbonaceou
Coal, Bed Q (7), platyweathering in basal 0.2 ft. and upper 0.5 ft.  3. 3.5
Sandstone, mediumgray, slabbyweathering, platybedded, partly laminated, crossbedded, friable, fine grained, subangular to subrounded, slightly silty; some very fine grained carbonaceous laminae; some ironstone clasts as much as 0.15 ft. thick; few large
Siltstone, and interbedded shale, mediumgray, hackly to poor platyweathering, laminated to platybedded; abundant carbonaceous plant fragments in shale; some coalified wood near base  5.6
Coal, Bed P (?), fairly platyweathering  1.5
Shale, dark.gray, carbonaceous; lower contact sharp  0.5
Shale, mediumgray, silty; many carbonaceous plant fragments 0.3
Sandstone, mediumgray, poor platyweathering, laminated (lower 1 ft.), very fine grained, subangular to subrounded, slightly clayey; lower contact sharp  1.9
Sandstone, mediumgray, partly ironstained, partly slabby weathering, obscurely bedded, friable, very fine to finegrained, subangular to subrounded; lower contact sharp  4.2
Siltstone, mediumgray, platyweathering, poor platybedded, clayey; scattered ironstone nodules as much as 0.2 ft. thick; some interlaminations of sandy siltstone and carbonaceous plant material; includes near middle a 0.5ft. bed of black fissile carbonace
Sandstone, mediumgray, locally slightly ironstained, partly slabbyweathering, obscurely bedded, very friable, very fine to finegrained, angular to subangular; lower contact sharp  5.4
Siltstone, mediumgray, hacklyweathering, obscurely bedded, very clayey; abundant carbonaceous plant fragments, few large coalified logs; upper 0.2 ft. becomes platy weathering and carbonaceous; lower contact sharp  2.5
Coal, lower 3.8 ft. hard; large coalified tree stumps locally; upper 1.5 ft. platy weathering with many flattened coalified logs; includes at 0.4 ft. below top a 0.30.7ft. bed of mediumgray claystone (8P4)* with abundant carbonaceous plant fragments; low
Siltstone, (8P3) *, mediumgray, nonbedded, very clayey; abundant carbonaceous plant fragments  0.4
Sandstone, mediumgray, partly ironstained, poor slabbyweathering, laminated, very fine to finegrained, silty, clayey; some small and large carbonaceous plant fragments; lower contact sharp  2.4
Siltstone, mediumgray, chunkyweathering, partly poor platy bedded, fairly hard, clayey; ironstone nodules as much as 0.3 ft. thick about 2.5 ft. above base; abundant carbonaceous plant fragments on bedding and randomly oriented; includes very fine graine
Sandstone, mediumgray, mostly ironstained, mostly obscurely bedded, some platybedded (upper 1 ft.), probably crossbedded, friable, fine to mediumgrained becoming mostly finegrained in upper 5 ft., subangular to subrounded; few coalified plant fragments
Coal, Bed O(?),  exposed in creek bed about 30 yd. downstream from sandstone described above; base concealed > 1.8
Sandstone, mediumgray, partly ironstained, locally cliff forming, laminated to platybedded, crossbedded, fine to mediumgrained, becomes finegrained upward; few coarse grains in basal 1 ft.; lower half sampled and remainder estimated; lower contact sharp
Siltstone, mediumgray, hacklyweathering, obscurely bedded, very clayey; some carbonaceous plant fragments 1.0
Coal, impure; includes a 0.1ft. lenticular bed of fine grained tuff  0.4
Siltstone, (9P13)*, mediumgray, hacklyweathering, obscurely bedded, clayey; some large coalified wood fragments  1.6
Tuff, lightyellowishbrown, whiteweathering, coarse grained; few carbonaceous plant fragments  0.7
Coal, and interbedded siltstone; coal beds average about 0.3ft. thick; siltstone, mediumgray, obscurely bedded, clayey; abundant carbonaceous plant fragments; beds average about 0.2 ft. thick; lower contact sharp  2.3
Sandstone, mediumgray, probably laminated to platybedded and crossbedded (obscure), finegrained, subangular, slightly clayey; includes 0.2ft. beds of mediumgray siltstone at base and about 3.5 ft: below top; Upper 1ft. becomes siltstone; very carbonaceou
Siltstone, mediumdarkgray, poor platybedded, clayey; abundant carbonaceous plant fragments and large flattened coalified logs  0.8
Coal, impure; lower contact sharp 1.3
Siltstone, mediumgray, obscurely bedded, clayey; few carbonaceous plant fragments; includes at 0.2 ft. above base a 1.5ft. bed of obscurely bedded friable very fine to finegrained sandstone that becomes finer upward  5.2
Coal, very impure; lower contact sharp  0.2
Siltstone, mediumgray, partly ironstained, obscurely bedded, clayey; few carbonaceous plant fragments  5.0
Sandstone, mediumgray, friable, very fine to mediumgrained, subangular; becomes finer grained upward; lower contact sharp  2.5
Siltstone, mediumgray, obscurely bedded, partly sandy, clayey; some carbonaceous plant fragments; includes at1.5 ft. above base a 1ft. bed of mediumgray friable mediumgrained sandstone overlain by a 1ft. bed of very fine grained sandstone  6.9
Shale, mediumdarkgray, carbonaceous  0.1
Coal, impure; lower contact sharp  0.3
Siltstone and Sandstone
Siltstone and sandstone; siltstone, mediumgray, obscurely bedded, clayey; few carbonaceous plant fragments (randomly oriented at top); includes at 0.3 and about 4 ft. above base thin (less than 0.1 ft. thick) coaly zones mostly composed of flattened coal
Coal, and interbedded siltstone and shale; coal, impure in upper half, forms beds 0.20.5 ft. thick; siltstone, mediumgray and mediumbrown, obscurely bedded, clayey; many carbonaceous plant fragments: forms 2 beds 0.10.2 ft. thick in lower 1 ft.; shale, m
Siltstone, lightgrayhacklyweathering, obscurely bedded, slightly clayey; abundant carbonaceous plant fragments 0.4
Coal, and interbedded siltstone and shale; generally similar to above; lower contact sharp  0.9
Siltstone, brownishgray, obscure platybedded, sandy, clayey, carbonaceous; abundant large coalified wood fragments randomly oriented in part; lower contact sharp  1.1
Sandstone, mediumgray, slabbyweathering, obscurely bedded, mediumgrained, subangular, silty; numerous small carbonaceous plant fragments; probably pinches out laterally; lower contact sharp and uneven  2.0
Cl
Claystone, Partly covered, mostly darkgray soft silty claystone 17.5
Siltstone, (L127)**, mediumlightgray, platybedded, clayey, partly finely sandy, calcareous; includes few laminae of very fine grained silty sandstone  0.3
Siltstone, Partly covered; mostly mediumdarkgray soft clayey siltstone in lower part; harder silty claystone and claystone and claystone: in upper part  23.5
Sandstone, (L12E)**, mediumdarkgray, massive, soft,,partlyfriable, very fine to finegrained, subangular, very clayey, abundant dark rock fragments 9.5
Siltstone, mediumdarkgray, massive, soft, clayey, sandy; grades to overlying sandstone  5.0
Shale, carbonaceous, coaly 0.3
Claystone, mediumgray 0.5
Siltstone,  (L1P23)*, darkgray, thickbedded, soft 1.5
Siltstone, darkgray, massive, soft, clayey; interbedded with darkgray silty claystone 8.8
Siltstone, (L122)**, mediumgray, partly ironstained, very angularweathering, hacklyfracturing, hard, very clayey 5.8
Siltstone, (L121)**, mediumdarkgray, ironstained, grayishorangeweathering, clayey, calcareous, concretionary; few small carbonaceous plant fragments 0.9
Siltstone, mediumdarkgray, ironstained, very clayey; includes scattered rounded calcareous concretionary parts in lower part of unit  5.5
Claystone, (L12G)**. mediumgray, ironstained, poor platy bedded. dominantangularfracturing, silty; few carbonaceous plant fragments  3.3
Siltstone, darkgray, massive, sort, clayey  6.0
Claystone, (Ll19)**, mediumlightgray, compact, very silty; abundant carbonaceous plant fragments 1.4
Covered, 6.0
Coal, 1.0
Shale, (L1P18)*, carbonaceous 0.2
Siltstone, mediumdarkgray, clayey; upper part mediumgray silty claystone 12.5
Sandstone, (L117)**, darkgray, massive, soft, friable, fine to mediumgrained. subrounded to subangular, silty, slightly clayey; abundant dark rock fragments 9.4
Siltstone, (L115)**, mediumdarkgray, partly ironstained, calcareous, concretionary; abundant carbonaceous plant fragments  1.9
Siltstone, (L1P15)*, carbonaceous 0.3
Claystone, (L114)**, mediumgray, partly ironstained, slightly silty; plastic when wet  0.5
Covered, 16.6
Siltstone, (L113)** and (L1P 13)*, darkgray, clayey, finely sandy, carbonaceous   1.5
Siltstone, Partly covered; mostly mediumlightgray massive clayey siltstone 19.
Covered, 14.6
Claystone, darkgray, lightgrayflakyweathering, soft  1.4
Claystone, (L112)**, mediumgray, ironstained, calcareous, concretionary; abundant large carbonaceous plant fragments 0.5
Claystone, mediumgray, lightgrayweathering, compact, silty  0.4
Shale, carbonaceous  0.2
Shale, coaly; shaly coal  0.8
Coal, Bed A  2.8
Claystone (L111  from middle of unit)** (L1P11 from upper 0.2 ft. of unit)*, darkgray, partly ironstained, soft, silty; few carbonaceous plant fragments  3.0
Siltstone, (L110)**, mediumgray, ironstained, lightgray weathering, lenticular, hard, clayey, calcareous, concretionary; scattered carbonaceous plant fragments  0.7
Siltstone, (L19)*, mediumdarkgray, very sandy, clayey; grades to darkgray subconchoidalfracturing claystone in upper 2 ft.; few carbonaceous plant fragments 10.6
Coal, includes 50 percent interbedded shaly coal and coaly shale  0.6
Shale, (L1P8)*, carbonaceous, coaly  0.4
Claystone, mediumdarkgray, lightgrayweathering, angular to subconchoidalfracturing 4.0
Siltstone, (L17)**, medium to mediumlightgray, angular fracturing; partly sandy, very clayey to clayey; abundant carbonaceous plant fragments 9.0
Claystone (L16)*, mediumlightgray, lightgrayweathering, angular to subconchoidalfracturing, hard, silty; scattered carbonaceous plant fragments; interbedded with about 40 percent coal lenses as much as 0.3 ft. thick   2.6
Siltstone, mediumgray, sandy; grades upward to silty claystone at top 2.9
Coal, lenticular  0.2
Sandstone, (L15)**, darkgray, horizontally laminated with carbonaceous fragments; very fine to finegrained, subangular to subrounded, silty, clayey in upper part  3.8
Shale,  (L14)** and (L1P4)*, mediumdarkgray, carbonaceous; abundant small carbonaceous plant fragments  0.5
Sandstone (L13) **, lightbrown, speckled, yellowishbrown weathering, soft, plastic, finegrained, subangular, very clayey, volcanic (?}  0.2
Co
Coal,  2.2
Siltstone,  (L12)** and (L1P2  from upper 0.2 ft. of unit)*, mediumgray, partly ironstained, very lightgrayweathering, angularfracturing, very clayey; scattered carbonaceous plant fragments  2.7
Sandstone, (L11) **, mediumdarkgray, massive, soft. friable, fine to mediumgrained, silty, clayey; abundant dark rock fragments  > 3.3
OF-75-383-Sec-L10
Sandstone, (L103  from lower part of unit), mediumdarkgray, massive, smoothfaced cliffforming, friable, very fine to finegrained with some medium grains, subrounded to subangular, silty, clayey; abundant dark rock fragments; upper part of unit very silty
Sec-L10
Siltstone, mediumgray, soft, very clayey, sandy in upper part 1.8
Coal, and coaly, shale 1.1
Claystone, mediumgray, soft 3.0
Coal, and coaly shale (Ll0P2) 0.2
OF-75-383-Sec-L11
Sandstone, (L 111), mediumgray, yellowishgrayweathering, steepcliffforming, massive, few crosslaminae shown by carbonaceous plant fragments, friable, fine to mediumgrained, subrounded, silty, clayey; abundant dark rock fragments; some rounded calcareous
Sec-L11
Shale, (L11P1), carbonaceous, coaly in top part 0.6
Siltstone, mediumgray, lightgrayweathering, soft, very clayey  0.6
OF-75-383-Sec-L12
Sandstone, (L122), mediumdarkgray, massive, soft, friable, very fine to finegrained, subangular to subrounded, silty, clayey in upper part; abundant dark rock fragments +  5 .5
Sec-L12
Claystone, Partly covered; mostly mediumlightgray angularfracturing soft claystone 9.5
Covered, 17.5
Coal, shaly 0.3
Claystone, Partly covered, mostly mediumgray soft slightly silty claystone 4.5
Coal, shaly 0.1
Claystone, (L12Pl) carbonaceous  0.4
Coal,  0.3
Claystone,  silty in lower part, carbonaceous in upper part 0.4
Claystone, mediumlightgray, soft 0.8
Shale, coaly 0.4
OF-75-383-Sec-L2
Siltstone, mediumgray, massive, hard, very clayey 16.
Sec-L2
Sandstone, (L23)**, lightgray, massive, soft, friable, fine to very fine grained, subrounded, slightly silty; abundant dark rock fragments; forms vertically fluted face  10.5
Coal,  0.8
Claystone, Inaccessible; mostly mediumlightgray silty claystone  22.
Siltstone, (L22)**, mediumgray, partly ironstained, lightgrayweathering, roughangular to subconchoidalfracturing, hard, sandy, clayey; scattered carbonaceous plant fragments  9.0
Siltstone, mediumgray, soft, very clayey 1.0
Siltstone, mediumgray, laminated with abundant carbonaceous fragments, clayey  1.7
OF-75-383-Sec-L5
Siltstone, mediumdarkgray, lightgrayweathering, angular fracturing, very clayey; includes a poorly developed calcareous concretion (0.5 ft. by 3 ft.) about 4 ft. above base 7.5
Sec-L5
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_L6L5.pdf
Sandstone, yellowishbrownweathering, thinbedded, soft, very fine grained 0.3
Siltstone, mediumdarkgray, angularfracturing, clayey 2.0
Shale, (L5P19)*, carbonaceous 0.3
Coal, 0.8
Shale, carbonaceous 0.5
Coal,  0.1
Shale, coaly  0.2
Coal,   0.2
Sandstone, darkgray, yellowishbrownweathering, medium bedded, soft, very fine to finegrained  0.6
Siltstone, mediumgray, poor platybedded, sandy  1.5
Sandstone, yellowishbrownweathering, thinbedded, soft, very fire grained  0.4
Shale, coaly  0.4
Shale, coaly; shaly coal 0.3
Coal, 0.4
Claystone, (L51S)"*'* (L5P18  from upper 0.5 ft.)*, mediumgray, lightgrayweathering, angularfracturing, very silty, carbonaceous lin upper 0.5 ft. ; scattered carbonaceous plant fragments 13.8
Sandstone, mediumgray, thinbedded, soft, very fine to fine grained, silty, clayey  0.3
Siltstone, mediumdarkgray, angularfracturing, soft, clayey 9.0
Claystone, mediumgray, angularfracturing, soft, silty 3.0
Siltstone, (L517)**, mediumgray, poor platybedded, angularfracturing, soft, very clayey, finely sandy; few scattered carbonaceous plant fragments 2.5
Coal, (L5P16  from upper 0.1 ft. of unit)*, shaly; upper part of Bed I  0.6
Coal, lower part of Bed I 1.6
Claystone, mediumlightgray, soft, silty 1.7
Claystone,  mediumlightgray, soft, silty 4.5
Sandstone, (L134  from 2 ft. above base), mediumgray, massive, soft,  friable, fineto mediumgrained, subrounded, clayey, silty in lower part; abundant dark rock fragments 9.0
Claystone, (L133), mediumdarkgray, soft, very silty and sandy in upper part; scattered carbonaceous plant fragments 6.0
Claystone, mediumgray, soft, silty   0.8
Coal, and shaly coal 0.1
Claystone, mediumgray, soft, silty 2.2
Coal, (L13P2), shaly; interbedded with carbonaceous shale  0.2
Sandstone, (L13 1),  mediumdarkgray, massive, soft, very fine to finegrained, subangular, very silty, very clayey in upper part 5.2
Claystone, Partly covered; mostly mediumlight to mediumgray poor angularfracturing soft claystone; includes 0.2f. coaly claystone bed about 6 ft. above base 17.5
Coal, 0.3
Claystone, mediumlightgray, soft 0.6
Claystone, mediumlightgray, soft 0.5
OF-75-383-Sec-L14
Sandstone, Partly covered; mostly very silty sandstone, clayey toward top; scattered calcareous concretionary parts  4.8
Sec-L14
Sandstone, (L143), mediumgray, partly ironstained, thickbedded, partly angularfracturing, soft, friable,very fine grained, subangular, very silty, clayey 2.0
Siltstone, Partly covered; mostly mediumgray siltstone, clayey in lower part 4.0
Shale, coaly; shaly coal 0.7
Siltstone, mediumgray, angular fracturing, clayey 7.1
Claystone, Partly covered, (L 142  from lower part of unit); mostly mediumgray angularfracturing soft slightly silty claystone with scattered carbonaceous plant fragments 5.8
Claystone, (L14Pl  from lower part of unit), carbonaceous; scattered laminae and lenses of coal 2.0
OF-75-383-Sec-L15
Siltstone, Partly covered; mostly mediumgray soft, very clayey siltstone 6.8
Sec-L15
Coal, shaly; coal 0.4
Claystone, (L154), mediumdarkgray, partly iron stained, soft; scattered sand grains 5.0
Sandstone, (L153  from lower 3 ft. of unit), medium darkgray, massive, some lowangle crossbedding shown by carbonaceous plant material, soft, friable, fine to very fine grained, subangular to subrounded, silty, clayey; abundant dark rock fragments 14.2
Claystone, Partly covered, (L152  from lower part of unit);mostly mediumgray soft very silty claystone with small scattered carbonaceous plant fragments 11.5
Sandstone, (L151A  from lower part of unit), (L1518from upper part of unit), darkgray, lightgray weathering, massive, some lowangle crossbedding shown by carbonaceous plant fragments, soft and friable in lower part, harder in upper part, medium grained i
OF-75-383-Sec-L16
Sec-L16
Claystone, mediumgray, soft, silty 7.5
Sandstone, (L163  from lower part), darkgray, massive,soft, friable, medium to finegrained in lower part,very fine grained to silty in upper part, subrounded, clayey; abundant dark rock fragments; includes calcareous concretionary parts as much as 6 ft.
Claystone, Partly covered; mostly mediumdarkgray silty claystone 8.4
Shale, carbonaceous; coaly shale 0.2
Sandstone, Partly covered; lower part of unit mostly mediumdark grayangularfracturing soft very clayey silty sandstone; upper part mostly mediumdarkgray soft silty claystone 9.7
Siltstone, Partly covered; mostly mediumgray soft clayey siltstone6.0
Claystone, (Li6P2), very carbonaceous 0.8
Siltstone, mediumdarkgray, soft, clayey to very clayeyin upper part; includes a 0.05ft. coal at 6.4 ft. above base 9.0
Siltstone, (L16Pl), mediumgray to brownishgray, soft,very clayey, carbonaceous 0.5
OF-75-383-Sec-L17
Siltstone, darkgray, lightgrayweathering, thickbedded, soft 1.9
Sec-L17
Sandstone, (L173), mediumlightgray, yellowishgray weathering,partly massive, some poorly defined planar cossbedding, soft, friable, mostly medium grained, subrounded, clayey, very silty, partly pebbly with few cobbles; includes laminae and lenses, 0.21.
Claystone, mediumdarkgray, soft, silty, carbonaceous in lower part; includes 0.1 by 0.2ft. ironstained calcareous concretions in upper part 5.3
Coal,  1.2
Claystone, mediumdarkgray, lightgrayweathering, angularfracturing, soft, carbonaceous in upper 0.2 ft. 1.8
Shale, (L17P2), carbonaceous 0.2
Covered, 5.5
Siltstone, Partly covered; mostly mediumdarkgray clayey siltstone; includes scattered calcareous concretionary parts 2ft. thick by 6 ft. long about 6 ft. above base 13.5
Claystone, Partly covered; mostly mediumdarkgray (lightgray weathering) angularfracturing silty claystone 4.0
Coal, and shaly coal 0.5
Claystone, Partly covered; mostly mediumdarkgray lightgray weathering, angularfracturing claystone, slightly carbonaceous in lower part and silty in upper part; includes a 0.1ft. carbonaceous shale about 0.2 ft. above base 10.4
Claystone, (L17Pl), darkgray, carbonaceous, slightly silty 0.3
Coal, shaly 0.5
Claystone, darkgray, carbonaceous, slightly silty 0.5
Siltstone, Partly covered; mostly soft very clayey siltstone 5.7
Sandstone, Mediumgray, thickbedded, soft, very fine grained 2.4
Coal, and coaly shale 0.6
Sandstone, mediumdarkgray, massive, soft, fine to very fine grained 10.5
Siltstone, mediumgray, soft; includes scattered coalylenses as much as 0.1 ft. thick 6.0
Siltstone, mediumdarkgray, soft, very clayey5.0
Coal,0.2
Claystone, (L18P3)*, carbonaceous0.1
Claystone, (L182)** Mediumgray, partly ironstained, soft, silty in part; abundant carbonaceous plant fragments 2.0
Coal, 0.7
Sandstone, (L181), darkgray, thickbedded, soft, friable, fine to very fine grained, subrounded to subangular, silty, clayey; abundant dark rock fragments 2.2
OF-75-383-Sec-L3
Sandstone, (L33)**, mediumlightgray, yellowishbrownweathering, laminated and crosslaminated, very fine grained, subangular, clayey, silty, slightly calcareous; more resistant than overlying and underlying units  0.6
Sec-L3
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_L4L3.pdf
Sandstone, mediumlightgray, grayishyellowweathering ,massive, soft, very fine grained  4.7
Sandstone, (L32)**, mediumlightgray, partly ironstained, yellowishbrownweathering, laminated, very fine grained, subangular, silty, clayey; few carbonaceous plant fragments; more resistant than overlying and underlying units  0.4
Sandstone, mediumlightgray, grayishyellowweathering, massive, soft, very fi ne grained   6.0
Concretion
Concretion, ironstained, calcareous  0.4
Claystone, mediumgray, poor platybedded, slightly carbonaceous  1.2
Coal, Bed D 3.0
Siltstone, (L31 and L3P1  from upper 0.8 ft. of unit)** *, darkgray, vary clayey; scattered carbonaceous plant fragments  > 3.0
OF-75-383-Sec-L4
Claystone, lightgrayweathering, rectangularfracturing, silty > 1.0
Sec-L4
Coal, shaly; upper part of Bed G 0.4
Coal, (L4P6)*, Shaly; lower part of Bed G 0.3
Claystone, mediumgray, angularfracturing, silty in lower part, carbonaceous in upper part 2.2
Siltstone, Partly covered, mostly yellowishgrayweathering clayey siltstone  4.5
Concretion, ironstained, calcareous 0.7
OF-75-383-Sec-L6
Shale, Coaly and shaly coal 1.5
Sec-L6
Siltstone, mediumgray, lightgrayweathering 4.7
Sandstone, mediumgray, lightgray to grayi shorange weathering, massive, soft, very fine to finegrained, silty in upper part 7.5
Claystone, mediumgray, lightgrayplatyweathering, poorly laminated to platybedded, silty.
Coal, shaly.
Shale, (L6P6)*, coaly.
Claystone, darkgray, lightgrayweathering, poor platy bedded, silty; interbedded with 50 percent yellowishgrayweathering soft very fine to fine grained sandstone in beds about 0.2 . Thick.
Coal.
Siltstone, mediumgray, lightgray to brownishgrayweathering, breaks to angular flakes and pebblesize chunks, poorly laminated, very clayey.
Siltstone, coaly, carbonaceous
Siltstone, mediumdarkgray, breaks to angular pebble sized chunks, poor laminated to  poor platybedded, sandy in lower part, clayey in upper part
Sandstone, Partly covered mostly yellowishgrayweathering very fine grained sandstone and lightgrayweathering siltstone.
Coal, and sh~ly coal
Shale, carbonaceous, coaly
Siltstone, lightgrayweathering, angularfracturing, clayey; scattered ironstained calcareous concretions in upper part.
Sandstone, mediumgray, thickbedded, soft, finegrained.
Siltstone, mediumgray, clayey; includes coaly streak 0.4 ft. below  top.
Sandstone, (L65), mediumgray, very iron stained, yellowishbrownweathering,  friable, fine to very fine grained, subangular to subrounded, silty in upper part; laminated with carbonaceous plant fragments  4.7
Claystone, lightgrayweathering, poor platybedded, very silty 3.4
Coal, and shaly coal  0.3
Siltstone, mediumgray, soft, very clayey 3.4
Siltstone, darkgray, soft, very clayey > 2.0
Sandstone, (L211)** (L2P11  from near base of unit)*, mediumlightgray, partlyiron stained, yellowishgrayweathering, massive, soft, friable, very fine to finegrained, subangular to subrounded, clayey; scattered large coaly fragments  > 8.0
Siltstone, mediumgray, massive, soft, clayey in upper part  4.6
Shale, coaly; shaly coal  0.9
Claystone, carbonaceous  0.4
Shale, coaly   0.3
Siltstone, (L2P10  from upper part of unit)*, darkgray, brownish grayweathering, angular fracturing, sandy in lower part, clayey and carbonaceous in upper part  1.5
Coal, shaly  0.5
Siltstone, mediumgray, ironstained, angularfracturing, very clayey  7.0
Sandstone ,(L29)**, mediumdarkgray, ironstained, poorly laminated, angularfracturing, very fine grained, subangular to subrounded, silty and clayey in upper part; scattered carbonaceous plant fragments 10.5
Concretion, ironstained, calcareous 0.5
Claystone, mediumgray, angularfracturing, slightly silty  4.1
Sandstone, (L28) **, mediumgray , yellowishgreyweathering, thickbedded, soft, friable, very fine to finegrained, subangular, clayey; few carbonaceous plant fragments 1.4
Sandstone, Partly covered; mostly mediumgray platybedded very fine grained silty sandstone; includes few poorly developed calcareous concretionary parts 6.0
Claystone, yellowishbrownweathering, poor platybedded, slightly silty  7.0
Shale, (L2P7)*, carbonaceous, coaly; upper part of Bed D 0.5
Clay, (L26)**, grayishyellow, ironstained, soft, bentonitic; few woody plant fragments 0.2
Coal, lowest part of Bed D 1.0
Claystone, (L2P5), darkgray  0.5
Sandstone,  (L25)**, darkgray, massiveweathering, poorly crosslaminated at high angle, soft, friable, fine to mediumgrained, subrounded, clayey and very silty in upper part; abundant dark rock fragments 8.9
Claystone, darkgray, silty; scattered calcareous concretions 13.
Sandstone, yellowishgrayweathering, massive, soft, finegrained  3.0
Covered, 19.
Claystone, mediumgray, silty 0.8
Shale, carbonaceous 0.1
Coal, Bed C; includes a lenticular 0.3ft. silty sandstone parting at 2.5 ft. above base  5.3
Siltstone, (L2P4  from upper most 0.3 ft. of unit)*,mediumgray, very clayey; grades to darkgray silty claystone in upper 2 ft. 7.0
Siltstone , clayey , coaly 0.3
Siltstone, mediumgray, massive, very clayey 5.0
Siltstone, clayey, coaly 0.2
Siltstone, mediumgray, massive, clayey 4.6
Coal, 0.5
Sandstone, (L21)*, mediumdarkgray, thickbedded, soft, friable, very fine to finegrained, subrounded to subangular, silty to very silty in upper part 1.5
Siltstone, (L2 1)**, mediumlightgray, laminated to platy bedded; very clayey; few carbonaceous plant fragments; scattered lightgray calcareous concretions in upper part  5.7
Covered,  2.0
Claystone, Partly covered; mostly mediumgray silty claystone >5.0
Coal, upper part of Bed E; includes scattered ironstained calcareous concretions as much as 2 ft. long in upper 0.6 ft.  2.2
Claystone,  (L3 19)"'*, mediumgray, lightgrayweathering, partly silty; abundant small carbonaceous plant fragments 1.2
Coal,  1.3
Shale, (L3P18)*, carbonaceous  0.3
Coal, lower part of Bed E 0.5
Claystone, (L3P17) *, mediumgray, silty  0.3
Sandstone, mediumgray, thickbedded, soft, fine to very fine grained, silty  2.7
Siltstone, Mostly covered, lower part of unit mostly mediumgray clayey siltstone; upper part mostly mediumgray massive soft sandstone; scattered ironstained calcareous concretions in lower part 33.
Coal,   0.8
Claystone, mediumgray, lightgrayweathering, angularfracturing 4.7
Coal,   0.4
Claystone, mediumgray, lightgrayweathering  1.4
Coal,  1.0
Claystone, Partly covered, lower part mostly soft slightly carbonaceous claystone; upper part mostly clayey siltstone  13.8
Claystone, (L316), mediumgray, lightgrayweathering, hard, silty. slightly carbonaceous; scattered carbonaceous plant fragments 0.9
Coal, 3.6
Claystone,  (L3P15), carbonaceous; includes few laminae of sandstone 0.2
Sandstone, mediumgray, angularfracturing, very silty, clayey 4.5
Sandstone, mediumgray, ironstained, yellowishbrownweathering, massive, soft in lower part, silty, clayey; grades upward to harder less silty and clayey sandstone with large carbonaceous plant fragments 26.
Coal, and carbonaceous shale (L3P14)* 0.8
Claystone, mediumgray, lightly carbonaceous 0.3
Coal, 1.2
Sandstone, (L313  from lower part of unit)**, mediumlightgray, mostly massive but some laminae and cross laminae shown by carbonaceous fragments, soft, friable, fine to very fine grained, subangular, clayey; includes few interbeds of mediumgray clayey si
Siltstone, mediumlightgray, angularfracturing, sandy, clayey; poorly developed joint system at 3060 degrees to horizontal 6.0
Coal, 0.9
Coal, and shaly coal, (L3P12)*; some interbedded mediumgray claystone 0.3
Claystone, (L311)*, lightbrown, grayishyellowweathering, soft, plastic, bentonitic; abundant carbonaceous plant fragments  0.1
Claystone, mediumgray, slightly carbonaceous 0.1
Sandstone, mediumgray to mediumlightgray, clayey and silty in upper part 4.1
Siltstone, mediumgray, angularfracturing, clayey 4.0
Sandstone, mediumgray, massive, some lamination and crosslamination shown by carbonaceous plant fragments, soft, silty; interbedded with about 20 percent slightly more resistant laminated clayey silty sandstone  5.0
Sandstone, (L310)*, mediumlightgray, partly ironstained, laminated and crosslaminated at low angles shown by carbonaceous plant fragments, soft, very fine grained, subangular, silty, clayey  15.8
Claystone, (L3P9)*', mediumgray, carbonaceous 0.3
Sandstone, (L38), mediumdarkgray, massive, soft,  friable, mostly very  fine grained, subangular to subrounded, clayey and silty in upper part; abundant dark rock fragments 6.0
Siltstone, mediumgray, angularfracturing. very clayey 6.9
Sandstone, mediumdarkgray, massiveweathering, laminated and crosslaminated with carbonaceous plant fragments, soft, very fine to  finegrained  3.6
Siltstone, mediumgray, angularfracturing, very clayey  1.5
Coal, shaly  0.2
Siltstone, mediumgray, partly laminated and crosslaminated with carbonaceous plant fragments, angular fracturing, very clayey  8.1
Clay, (L3P7)*, carbonaceous, coaly  0.1
Siltstone, darkgray, laminated and crosslaminated with carbonaceous plant fragments, clayey  2.5
Sandstone, (L36), mediumdarkgray, ironstained, hard, very fire grained, subangular, carbonaceous, semiconcretionary, clayey, silty; scattered small carbonaceous plant fragments  0.3
Siltstone, darkgray, massiveweathering, laminated and crosslaminated with carbonaceous plant fragments, very clayey  0.8
Covered,  1.4
Claystone, mediumdarkgray, lightgrayweathering, angularfracturing 6.0
Coal, includes a lenticular 0.1ft. claystone parting 0.2 ft. above base 2.7
Claystone, (L511 and L5Pll  from upper 1 ft. of unit), mediumgray, ironstained, yellowishbrown to grayishyellowweathering, tough, compact, slightly silty; abundant carbonaceous plant fragments 5.1
Covered, 2.0
Siltstone, Partly covered (L510)**; Iower part mediumgray partly ironstained sandy clayey siltstone; upper part medium gray massive soft friable very fine grained subangular silty sandstone  4.0
Sandstone, Partly covered; mostly yellowishbrown to graishyellowweathering, massive, soft sandstone, upper part silty 6.0
Sandstone, (L59)**, mediumgray, grayishyellow to yellowishbrownweathering, massive soft, friable, very fine to finegrained, subangular to subrounded 13.
Coal, (L5P8)*, shaly 0.1
Coal, 1.8
Claystone, mediumgray, angularfracturing, silty 1.5
Covered, 29.
Shale, carbonaceous 0.3
Coal, Bed G 1.3
Coal, (L5P7)*, shaly 0.5
Claystone,  (L56), mediumdarkgray, yellowishbrownweathering, silty; few carbonaceous plant fragments; interbedded with mediumgray friable very fine grained subangular sandstone 15.
OF-75-383-Sec-L9
Claystone, Partly covered; mostly mediumgray soft claystone  6.0
Sec-L9
Claystone, mediumgray, soft 2.0
Coal, shaly; coal 0.2
Siltstone, mediumgray, clayey 2.0
Shale, coaly 0.1
Clay, carbonaceous  0.1
Sandstone, (L92), mediumdarkgray, massive, soft, friable, fine very fine grained, subangular to subrounded, silty, very clayey in upper 0.5 ft. 3.2
Claystone, mediumgray, lightgrayweathering, soft, slightly carbonaceous in lower part, silty and sandy in upper part 1.0
Coal, 1.1
Siltstone, (L91), mediumgray, lightgrayweathering, angularfracturing, hard, very clayey, slightly carbonaceous; scattered carbonaceous plant fragments 2.0
Claystone, lightbrownishgrayweathering, very silty, slightly carbonaceous>  0.5
OF-80-393
1C-79
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF83_78_CW_81_2.pdf
Siltstone, Partly covered; mostly mediumlightgray angular fracturing very clayey siltstone  7.0
Shale, coaly, carbonaceous  0.1
Siltstone, (L35), mediumgray, angularfracturing, hard, very clayey, partly sandy; scattered carbonaceous fragments  2.3
Sandstone, (L34)**, mediumlightgray, yellowishgray weathering, thickbedded, soft, friable, very fine to finegrained, subangular, slightly clayey  2.4
Claystone, (L45 v from upper part of unit), mediumgray, ironstained, grayishbrownweathering, sandy, silty; abundant carbonaceous fragments; includes coal lenses as much as 0.3 ft. thick; scattered ironstained calcareous concretions  7.8
Sandstone, mediumgray, massive, soft, very fine to finegrained, silty; interbedded with about 50 percent mediumgray siltstone  4.3
Siltstone, mediumgray, angularfracturing, very clayey  4.5
Sandstone, mediumgray, massive, soft, very fine to finegrained  3.4
Claystone, mediumdarkgray, ironstained, mostly angular fracturing, partly poorly laminated  3.6 Beluga Formation (upper part)
Coal,  2.5
Claystone, mediumgray, very lightgrayweathering  0.2
Claystone, Partly covered; mostly silty claystone, especially in upper part  3.3
Claystone, very carbonaceous; less carbonaceous in upper part  0.7
Coal, upper part of Bed F  0.8
Claystone, mediumdarkgray, slightly carbonaceous  0.7
Coal, shaly  0.3
Shale, (L4P3)*, carbonaceous  0.5
Coal, lower part of Bed F 1.7
Siltstone, (L42  from upper 0.3 ft. of unit)**,mediumdarkgray, Iightgrayweathering, massive, soft, very clayey; scattered carbonaceous plant fragments; includes two coaly lenses, 0.2 ft. thick, at 5 ft. above base and 3 ft. below top 16.
Claystone, mediumgray, silty 0.7
Claystone, mediumgray, silty; includes a 0.4ft. coal lense at 1.2 ft. below top 3.3
Concretion, ironstained, calcareous 0.9
Claystone, mediumgray, angularfracturing, silty 10.3
Shale, coaly; upper part of Bed E 0.2
Coal,  1.9
Shale, carbonaceous  0.4
Coal,   0.9
Claystone, (L4P1)*, carbonaceous 0.4
Coal, lower part of Bed E   0.2
Claystone, silty, carbonaceous  0.3
Claystone, yellowishgray to yellowishbrown, ironstained, angularfracturing, silty, slightly carbonaceous > 0.5
Sandstone, mediumgray, lightgrayweathering, massive, soft, silty in upper part; abundant plant fragments in upper part  5.5
Claystone, lightgrayweathering, angular to conchoidal fracturing, slightly carbonaceous  0.4
Claystone, (L523)*, mediumlightgray, partly ironstained, lightgrayweathering, conchoidalfracturing, hard; scattered carbonaceous plant fragments 1.2
Claystone, mediumgray; includes lenticular coal laminae 0.4
Siltstone, mediumgray, lightgrayweathering, angular fracturing at high angles to top and bottom of unit, partly clayey +11.5
OF-83-78
CW-81-2
Siltstone, mediumdarkgray, lightgrayweathering, angular fracturing along vertical planes or along planes at 30 degrees to top and bottom of unit 12.7
Siltstone, carbonaceous 0.1
Siltstone, similar to 12.7ft. unit above 0.6
Siltstone, similar to 12.7ft. unit above 11.3
Coal,   0.3
Siltstone, mediumdarkgray, angularfracturing, clayey; interbedded with about 20 percent silty claystone and lentils of very fine grained silty sandstone; scattered ironstone concretions about 0.5 ft. thick by 1 ft. long at 2 ft. below top  20.
Shale, carbonaceous  0.3
Sandstone, mediumdarkgray, massive, partly angular fracturing, soft, very fine grained, silty, interbedded with mediumgray angularfracturing clayey siltstone  6.6
Siltstone, (L522)**, mediumgray, carbonaceous; interbedded with slightly carbonaceous silty, micaceous claystone and silty very fine grained  subangular sandstone  1.9
Claystone, Partly covered; mostly mediumgray (lightgrayweathering) poor platybedded silty claystone; some ironstone concretions about 0.2 ft. thick and 0.5 ft. long at 2.5 ft. below top 11.5
Claystone, mediumgray, soft, very silty 0.5
Coal, shaly; uppermost part of Bed J; along strike unit becomes coaly shale with calcareous concretions in places 0.8
Shale, carbonaceous  0.7
Sandstone, (L521 v from upper part), mediumdarkgray, thick bedded, soft, friable, very fine to finegrained, subangular to subrounded, silty, very carbonaceous in upper part; abundant carbonaceous plant fragments + 1.6
Shale, carbonaceous 0.8
Coal, lowest part of Bed J  3.4
Siltstone, (L5P20  from upper 0.6 ft. of unit)*, lightgrayplatyweathering, platybedded, sandy; abundant carbonaceous plant fragments; grades rapidly downward to silty sandstone in Iower part  2.2
Siltstone, Partly covered; mostly clayey siltstone  6.0
Sandstone, yellowishbrownweathering, massive, soft, very fine grained; interbedded with about 50 percent silty claystone and clayey siltstone in beds 0.52 ft. thick  11.5
Claystone, mediumdarkgray, platybedded, silty  1.9 Note: The bedding in the claystone units is generally more obvious in this and lower parts of the stratigraphic sequence than in the parts stratigraphically higher.
Sandstone, yellowishbrown weathering, thinbedded, soft, very fine grained  0.3
Claystone, medium+darkgray, platybedded, very silty  2.0
Shale, coaly, carbonaceous 0.3
Siltstone, mediumgray, angularfracturing, soft, very clayey 1.6
Claystone, ( L5P15),  carbonaceous 0.6
Claystone, carbonaceous, coaly  0.5
Claystone, mediumlightgray, angularfracturing, silty 0.4
Covered, 30.
Claystone, mediumgray, angularfracturing, very silty 7.0
Coal, shaly 0.4
Shale, coaly 0.9
Shale, carbonaceous 0.2
Siltstone, mediumgray, angularfracturing, very clayey 1.1
Claystone, mediumgray, lightgrayweathering, angular fracturing, silty in upper part 9.4
Sandstone, mediumdarkgray, mediumbedded, soft, very fine to finegrained  0.7
Coal,    0.6
Coal, shaly  0.4
Shale, coaly, carbonaceous  0.8
Shale, very coaly  1.3
Claystone, (L514  from lower part of unit)** (LSP14 v from upper part of unit)*, mediumgrayweathering, angularfracturing, silty, carbonaceous in upper 0.4 ft.; few carbonaceous plant fragments  8.2
Covered, 5.0
Sandstone, medium1ightgray, thickbeaded, soft, very fine to finegrained 2.0
Claystone, mediumgray, lightgrayweathering, angular fracturing, silty 2.5
Sandstone, (L5l3)**, mediumlightgray, yellowishbrownweathering, mediumbedded, soft, very fine to fine grained, subangular, very clayey 0.7
Siltstone, Partly covered (L512) **; mostly mediumgray, very clayey siltstone with scattered plant fragments 14.
Siltstone, mediumgray, sandy, clayey; scattered coaly lenses less than 0.2 ft. thick; interbedded with a few beds, less than 1 ft. thick, of mediumgray soft sandstone; lower contact gradational  13.
Sandstone,  (L55)**, mediumgray, yellowishgrayweathering, massive, soft, friable, very fine to finegrained, partly fine to mediumgrained with crossbedded lentils of coarser material, rare pebbles, and some rounded clay masses, subrounded to subangular, s
Coal, upper bench of Bed F 1.4 Beluga Formation (upper part)
Siltstone, mediumgray, very lightgrayweathering, partly laminated with carbonaceous plant materia. platy fracturing at about 30 degrees to top and base of unit, sandy  1.3
Sandstone, (L54)*, mediumdarkgray, thickbedded, soft, friable fine to mediumgrained, subrounded, partly clayey; abundant dark rock fragments  1.9
Siltstone, (L5P3)*, mediumdarkgray. clayey near base, sandy near top  1.7
Coal, middle bench of Bed F  0.9
Claystone,  (L52)*, mediumdarkgray, hard, compact, very silty in upper part 7.0
Coal, lower bench of Bed F  1.4
Claystone, mediumdarkgray, lightgrayweathering, angularfracturing  2.0
Coal,   0.5
Claystone, (L51) **, mediumdarkgray, lightgrayweathering, angularfracturing, hard; some subhorizontal lamination shown by carbonaceous plant fragments > 2.0
Siltstone, Partly covered (L615 and L6P15  from upper 5 ft. of unit)** *, mostly mediumgray partly ironstained yellowishbrownweathering sandy clayey siltstone that breaks to anau1ar cobbles and pebbles; abundant !carbonaceous plant fragments; interbedded
Sandstone, yellowishbrownweathering, poor platybedded, partly horizontally laminated with carbonaceous plant fragments, mostly very fine grained; breaks to rectangular cobbles and pebbles 6.0
Sandstone, yellowishbrownweathering, platybedded, soft, very fine to finegrained  0.3
Coal, burned in places 2.2
Sandstone, lightgrayweathering, partly ironstained, laminated with carbonaceous plant fragments, very fine grained, silty in upper part 4.2
Claystone, slightly carbonaceous in lower part, silty and sandy in upper part 2.9
Claystone, carbonaceous  0.5
Siltstone, mediumdarkgray, poorly laminated to poor platybedded, very clayey; breaks to angular pebbles  7.2
Claystone, (L613)**, mediumbrown, brownishgrayweathering, hard, clayey, partly carbonaceous; few carbonaceous plant fragments; scattered pyroclastic (?) grains  0.1
Shale, carbonaceous; interbedded with shaly coal and coal 0.8
Siltstone, mediumdarkgray, slightly carbonaceous  2.5
Coal, and shaly coal  0.5
Claystone, mediumli htgray, lightgrayweathering, flaky, partly carbonaceous  0.9
Coal, shaly, and carbonaceous shale  0.8
Claystone, carbonaceous  0.2
Siltstone, (L611), Iightbrown, brownishgrayweathering, hard, clayey, partly carbonaceous; abundant carbonaceous plant fragments; scattered white pyroclastic (?) grains  0.1
Sandstone, Partly covered: about 50 percent yellowishgrayweathering finegrained  sandstone; rest of unit lightgrayweathering siltstone, 1 ft. carbonaceous siltstone at top  6.5
Shale, carbonaceous, coaly  0.6
Claystone, (L510)**, mediumlightgray, lightgray to yellowishgrayweathering, hard,  partly silty; weathers rounded in places but breaks to angular cobbles and pebbles in other places; abundant carbonaceous plant fragments  30.
Sandstone, grayishyellowweathering, partly ironstained, mediumbedded, soft  0.6
Siltstone, (L6 9) , mediumgray Iightgrayweathering, poor platybedded, soft, clayey, finely sandy; few carbonaceous plant fragments 5.9
Shale, carbonaceous, coaly 0.2
Claystone, mediumdarkgray, lightgrayweathering, poor platybedded, silty; abundant carbonaceous plant fragments 1.4
Siltstone, mediumdarkgray, lightgrayweathering, poor platybedded, clayey 1.4
Sandstone, mediumgray, grayishyellowweathering, thick bedded, soft, finegrained 2.4
Claystone, lightgrayweathering, poor platybedded, very silty; slightly carbonaceous, in lower 1 ft.  5.0
Sandstone, mediumgray, mediumbedded, soft, fine grained 0.6
Claystone,  (L68) , mediumgray, very lightgrayroundedweathering, poor platybedded, hard, partly silty; few small carbonaceous plant fragments 3.5
Sandstone, mediumgray, ironstained, yellowishgrayweathering, poor platybedded, very fine grained, silty   10.
Sandstone, mediumgray, yellowishgrayweathering, massive, soft, fine to very fine grained 5.0
Sandstone, mediumgray, very ironstained, laminated with abundant carbonaceous plant fragments, massive, soft, very fine to finegrained  8.3
Sandstone,  (L67), mediumgray, ironstained, yellowishgrayweathering, massive, soft, friable, mostly fine grained, subrounded to subangular, silty; some crosslaminations of carbonaceous fragments at angles of 1025 degrees 17.5
Siltstone, mediumdarkgray, lightgrayweathering, platy bedded 4.3
Sandstone, mediumgray, very ironstained, yellowishbrownweathering, thickbedded, soft, mostly finegrained  1.2
Siltstone, mediumdarkgray, lightgrayflaky to platy weathering, platybedded, very clayey 10.
Covered, 12.6
Claystone, mediumdarkgray, carbonaceous  2.0
Coal, Bed + 5.0
Siltstone, lightgrayweathering to hard angular blocks and platy pieces, platybedded, very sandy in part  5.5
Siltstone, mediumgray, lightgrayweathering. breaks to hard rounded pieces; scattered carbonaceous fragments  2.4
Sandstone, mediumgray, yellowishgrayweathering, massive to poorly laminated in upper 2 ft., soft  9.3
Siltstone, mediumgray, lightgrayweathering, poor platy bedded 6.8
Sandstone, mediumgray, yellowishbrownweathering, laminated with carbonaceous plant fragments 2.9
Siltstone, mediumgray, lightgrayweathering, very clayey; interbedded with mediumdarkgray (lightgrayweathering) poor laminated claystone 6.8
Siltstone, mediumdarkgray, lightgrayweathering, poor platybedded, very clayey   6.2
Coal,   0.7
Sandstone, mediumgray, mediumbedded, soft, mostly finegrained, silty 0.4
Covered,  8.0
Siltstone, (L64), mediumgray, partly ironstained, lightgrayweathering, breaks to angular flakes and pebblesized pieces, very clayey; abundant carbonaceous plant fragments 4.0
Sandstone, (L63  from lower part of unit), mediumdarkgray, massive to obscurely bedded, soft, friable, fine to very fine grained, subangular to subrounded, clayey, silty in upper part  5.0
Coal, upper bench of Bed L 2.1
Shale, carbonaceous 0.4
Claystone, (L61), mediumbrown, yellowweathering, silty; abundant carbonaceous plant fragments 0.1
Coal, lower bench of Bed L 1.8
Siltstone, (L6P2), yellowishgray to lightgrayweathering, breaks to hard angular cobble and pebblesized pieces, clayey, carbonaceous in upper part; abundant plant stem imprints 1.1
Sandstone, mediumgray, angularfracturing, silty 0.5
Covered,  26.3
Claystone, mediumgray, angularfracturing, silty,  very silty in upper part; includes a 0.1ft. coaly claystone bed 1.9 ft. above base 5.1
Coal, uppermost part of Bed K 0.4
Claystone, mediumgray, lightgrayweathering, angular fracturing, partly carbonaceous 1.1
Claystone, mediumgray, lightgrayweathering, angular fracturing, partly carbonaceous  1.1
Coal,   1.6
Coal,  lowest part of Bed K  2.1
Sandstone, mediumgray, massive, soft, very silty > 2.0
OF-75-383-Sec-L7
Coal, Bed Q (?); top eroded > 2.4
Sec-L7
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF_75_383_Plate1_sec_L7.pdf
Siltstone, mediumgray, ironstained, lightgrayweathering, poor platybedded, sandy; interbedded with about 3540 percent mediumgray ironstained massive soft fine to  very fine grained sandstone in beds up to 3 ft. thick; includes a 0.3ft. carbonaceous shale
Sandstone, mediumgray, ironstained, yellowishbrown to yellowishorangeweathering, thickbedded, soft, fine to very fine grained  2.4
Siltstone, mediumgray, ironstained, lightgrayweathering, poor platybedded; breaks to angular flakes, very clayey; siltstone in beds as much as 5 ft. thick; interbedded with about 25 percent sandstone similar to overlying unit in beds as much as 1.5 ft. t
Shale, carbonaceous  0.8
Shale, carbonaceous  0.5
Siltstone, Partly covered; mostly lightgrayweathering poor platy bedded sandy siltstone; lower 2 ft. of unit more sandy; includes 0.3ft. carbonaceous shale bed 2 ft. below top 19.7
Clinker, mostly burned and baked siltstone 8.0
Siltstone, mediumdarkgray, lightgrayweathering, angular fracturing, clayey 1.0
Sandstones mediumlightgray, ironstained, yellowishbrown to yellowishorangeweathering, thickbedded, soft, fine to very fine grained  1.4
Claystone, mediumlightgray, angularfracturing, silty; abundant carbonaceous plant fragments  2.2
Sandstone, mediumlightgray, partly ironstained, yellowishgrayweathering, massive. soft,  fine to very fine grained; some 0.4 ft. beds of silty claystone in lower 3.5 ft.; lower contact gradational  5.5
Claystone, darkgray, medium to lightgrayweathering, poor platybedded, angularfracturing, silty; includes a 0.1ft. carbonaceous shale bed 9.3 ft. above base   16.2
Covered, 11.
Siltstone, mediumlightgray, lightgrayweathering, poor platybedded, sandy in upper part 8.8
Sandstone, mediumgray, ironstained, yellowishbrownweathering, thick bedded, soft, fine to very finegrained  1.3
Claystone, mediumdarkgray, angularfracturing, silty; abundant carbonaceous plant fragments; includes a 0.2ft. coaly shale bed 0.5 ft. above base 9.7
Sandstone, mediumdarkgray, ironstained, yellowbrownweathering, massive, soft, very fine to fine grained; scattered carbonaceous plant fragments  7.4
Siltstone, lightgrayweathering, poor platybedded; scattered carbonaceous plant fragments 5.4
Sandstone, mediumgray, ironstained, Yellowishbrownweathering, thickbedded, soft, fine to very fine grained; carbonaceous in interval 0.2 ft. thick 0.9ft. above base 2.1
Claystone, mediumdarkgray, angularfracturing, silty; abundant carbonaceous plant fragments 0.9
Sandstone, mediumgray, ironstained, yellowishbrownweathering, thickbedded, soft,  fine to very fine grained2.5
Siltstone, lightgrayweathering, platybedded, flaky 5.5
Shale,  platybedded, carbonaceous; interbedded with about 50 percent yellowishbrownweathering platybedded sandstone 9.2
Sandstone, carbonaceous 0.3
Sandstone, mediumgray, ironstained, yellowishbrownweathering, platybedded, soft,  fine to medium grained 0.2
Claystone, Partly covered, mostly ironstain, lightgrayweathering angularfracturing silty claystone  26.4
Sandstone, mediumdarkgray, ironstained, massive weathering, crosslaminated with carbonaceous material, mediumgrained in lower part to finegrained in upper part  14.
Coal, and coaly shale  0.4
Claystone, mediumgray, very silty in upper part; interbedded with lenticular carbonaceous claystone 5.4
Coal, and shaly coal  0.2
Shale, coaly  0.6
Claystone, carbonaceous  0.3
Claystone, lightgrayweathering, flaky, slightly carbonaceous 1.0
Siltstone, lightgrayweathering, angularfracturing > 2.0
OF-75-383-Sec-L8
Sec-L8
Sandstone, (L82), darkgray to mediumbrown, soft, plastic, finegrained, angular to subangular, very clay, volcanic?; this is the same unit as sampled as L13 in measured section L1   0.3
Coal,  2.0
Siltstone, mediumgray, lightgrayweathering, sandy in lower part, clayey at top; lower contact gradational 21.5
Sandstone, mediumgray, lightgrayweathering, massive, very fine to finegrained, silty, clayey; lower part with calcareous cement in places and rounded concretionary form; unit forms nearvertical cliff 54.5
Siltstone, mediumgray, lightgrayweathering, thick bedded, angularfracturing, soft; lower contact gradational 2.7
Claystone, carbonaceous in lower part, silty in upper part 2.0
Coal, (L8Pl),  shaly 0.3
Siltstone, mediumgray, lightgrayweathering, obscurely bedded, few poorly developed crossbeds shown by laminae of clay, clayey  >  1.0
Siltstone, Partly covered, mostly mediumgray siltstone 5.5
Sandstone, (L96)**) mediumdarkgray, massive, sort, friable, mostly fine to mediumgrained, subrounded, very silty and clayey 6.0
Sandstone, (L95), darkgray, massive, soft, friable, fine to mediumgrained, subrounded, silty, clayey; abundant dark rock fragments; forms round smoothsurface cliff  11.
Siltstone, Partly covered; mostly mediumlightgrayweathering siltstone 5.5
Concretion, (L94), mediumgray, ironstained, yellowishgrayroundedweathering, hard, calcareous, clayey; includes in places a 0.1ft. coal at base; lower contact wavy  2.4
Siltstone, mediumgray, lightgrayweathering, obscurely bedded and clayey in upper  part 3.6
Sandstone, (L93), mediumdarkgray, massive, soft, friable, fine to mediumgrained, subrounded to subangular, silty clayey; abundant rock fragments 10.
Capps Coal Bed
Waterfall Coal Bed
OF-82-884
2C-80
http://certmapper.cr.usgs.gov/ip_data/akcoal/logs/cook_inlet/OF82_884_2C_80.pdf
Glacial
Massive
partly carbonaceous