|
|
|
|
|
|
|
|
|
|
|
|
1133 |
Northwest Wisconsin |
USGS |
06/88-07/88 |
0.5 mi. |
N-S |
300 AG |
3925 |
DIGRF |
NGDC MN CD |
|
1157A |
West Wisconsin '96 |
USGS |
08/96-09/96 |
0.5 mi. |
N-S |
500 AG |
5700 |
DIGRF |
OF98-228 |
|
1157B |
Northern Wisconsin '96 |
USGS |
08/96-09/96 |
0.5 mi. |
N-S |
500 AG |
1700 |
DIGRF |
OF98-228 |
|
4205 |
West-Central Wisconsin |
Aero |
02/98-03/98 |
0.5 mi. |
N-S |
1000 AG |
8985 |
DIGRF |
OF98-431-434 |
|
4206 |
Ironwood Fill-In |
Aero |
10/97 |
0.5 mi. |
N-S |
1000 AG |
625 |
DIGRF |
OF98-435 |
|
4207 |
West Florence Fill-In |
Aero |
10/97 |
0.5 mi. |
N-S |
1000 AG |
420 |
DIGRF |
OF98-436 |
|
4208 |
Northeastern Wisconsin |
Aero |
10/97-12/97 |
0.5 mi. |
N-S |
1000 AG |
6215 |
DIGRF |
OF98-437,438 |
|
4209 |
Central Wisconsin '97 |
Aero |
11/97-02/98 |
0.5 mi. |
N-S |
1000 AG |
4970 |
DIGRF |
OF98-439 |
|
4221A |
Southwest Wisconsin |
High Sense |
11/98-12/98 |
0.5 mi. |
N-S |
1000 AG |
13750 |
IGRF95 |
OF99-527 |
|
4221B |
South-central Wisconsin |
High Sense |
11/98-02/99 |
0.5 mi. |
N-S |
1000 AG |
13000 |
IGRF95 |
OF99-527 |
|
4221C |
Northeast Wisconsin |
High Sense |
10/98-02/99 |
0.5 mi. |
N-S |
1000 AG |
12000 |
IGRF95 |
OF99-527 |
|
4221D |
Wisconsin Tie Lines |
High Sense |
09/98-02/99 |
var. |
E-W |
1000 AG |
1425 |
IGRF95 |
OF99-527 |
|
4222 |
WI Eastern Shore |
High Sense |
10/98-02/99 |
0.5 mi. |
N-S |
1000 AG |
3500 |
IGRF95 |
OF99-527 |
|
4223 |
SE Wisconsin |
High Sense |
10/98-02/99 |
0.5 mi. |
E-W |
1000 AG |
2325 |
IGRF95 |
OF99-527 |
Description of Table
No.: Internal USGS
identification number
Name: Internal project name (not always the name used in
publication title)
Flown By: Company or government agency who flew the original
survey
Spacing and Dir.: Primary flight-line spacing and
primary flight-line direction
Altitude: Primary flight altitude in feet; B = barometric
elevation, AG = above ground draped over topography
LnMi.: Approximate total of line miles flown for this survey
Datum: Indicates if a regional field was removed and, if
it could be determined, the base value removed. Total field = no regional
was removed. Arb. (arbitrary) datum = the base value removed was not
stated on the map or in survey reports.
Publication: Brief publication reference*. USGS publications are listed as: Open-File reports
= OFxx-yyyy where xx is the publication year, Bulletins and Professional
Papers = B-yyyy or P-yyyy, Geophysical Maps = GP-yyyy, Miscellaneous
Field Studies Maps = MF-yyyy, Miscellaneous Investigations Maps = I-yyyy.
*For a full reference for USGS publications see: http://library.usgs.gov/