WRIR 97-4228 Table 2

**Table 2.** Selected geotechnical properties of stratigraphic units at Naval Support Activity Memphis, Millington, Tennessee
[Modified from Carmichael and others, 1997; ^o, degrees; ', minutes; ", seconds; a, analyses conducted by Inberg-Miller Engineers, Cheyenne, Wyoming, under contract to the U.S. Geological Survey; b, analyses conducted by TRI State Testing Services, Inc., Memphis, Tennessee, under contract to EnSafe]
USGS local well number	Latitude	Longitude	Sample depth, in feet	Sample description	Total porosity, in percent	Vertical hydraulic conductivity, in feet per day
Upper Alluvium
Sh:U-99	35^o20'44"	89^o52'48"	13-15	Clayey silt	38 a	1.5x10^-3 a
Sh:V-80	35^o19'16"	89^o52'20"	17-19	Clayey silt	48 a	6.8x10^-3 a
Sh:V-120	35^o19'18"	89^o51'46"	17-19	Clayey silt	40 b	1.9x10^-3 b
Sh:V-123	35^o19'23"	89^o52'06"	17-19	Clayey silt	44 b	6.5x10^-3 b
Sh:V-173	35^o19'24"	89^o52'16"	16-18	Silty clay	44 b	2.7x10^-3 b

Sh:V-187	35^o19'29"	89^o52'13"	14-16	Clayey silt	42 b	1.4x10^-2 b
Lower Alluvium
Sh:V-119	35^o19'17"	89^o51'41"	41-43	Sand, small gravel	30 b	2.4x10⁰ b
Sh:V-123	35^o19'23"	89^o52'06"	41-43	Coarse sand, gravel, clay	34 b	9.6x10^-1 b
Sh:V-187	35^o19'29"	89^o52'13"	38-40	Sand, gravel, silt	22 b	5.1x10^-1 b
Loess
Sh:U-102	35^o20'42"	89^o52'34"	12-14	Silty clay	43 a	7.7x10^-3 a
Sh:U-116	35^o20'41"	89^o53'02"	20-22	Silty Clay	36 b	4.8x10^-4 b
Sh:U-135	35^o19'57"	89^o52'55"	13-15	Clayey silt	35 b	1.6x10^-3 b
Sh:U-151	35^o20'32"	89^o52'54"	18-20	Silty clay	38 b	4.0x10^-4 b
Sh:V-75	35^o21'48"	89^o51'55"	11-13	Silty clay	39 a	3.4x10^-4 a

Sh:V-76	35^o20'48"	89^o52'13"	11-13	Silty clay	45 a	4.5x10^-4 a
Sh:V-78	35^o21'15"	89^o51'29"	18-20	Silty clay	43 a	1.6x10^-2 a
Sh:V-79	35^o19'53"	89^o52'05"	10-12	Clayey silt	41 a	8.0x10^-4 a
Sh:V-100	35^o21'49"	89^o51'57"	3-5	Silty clay	39 b	8.5x10^-5 b
Sh:V-163	35^o20´49"	89^o52'26"	20-22	Silty clay	42 b	2.7x10^-3 b

Sh:V-178	35^o19'52"	89^o52'03"	8-10	Clayey silt	44 b	1.2x10^-3b
Sh:V-188	35^o20'39"	89^o52'09"	18-20	Silty clay	41 b	4.0x10^-4 b
Fluvial deposits
Sh:U-125	35^o20'52"	89^o52'35"	47-49	Silty sand, clay	35 b	4.2x10^-3 b
Sh:U-129	35^o20'46"	89^o52'30"	40-42	Sand	33 b	4.8x10^-1 b
Sh:U-135	35^o19'57"	89^o52'55"	41-43	Sandy gravel	26 b	7.4x10^-1 b
Sh:V-140	35^o20'49"	89^o52'24"	75-77	Silt, fine sand	39 b	1.9x10^-1 b
Sh:V-171	35^o20'49"	89^o52'18"	41-43	Silty sand	37 b	1.0x10^-1 b

Sh:V-164	35^o21'01"	89^o52'24"	47-49	Clayey, silty sand	31 b	9.3x10^-3 b
Sh:V-165	35^o20'59"	89^o52'22"	47-49	Sand	26 b	2.3x10^-1 b
Sh:V-166	35^o21'01"	89^o52'11"	41-43	Silty sand, clay	36 b	7.1x10^-2 b
Sh:V-167	35^o20'54"	89^o52'03"	47-49	Clayey, silty, fine sand	32 b	3.1x10^-3 b
Sh:V-170	35^o20'53"	89^o52'08"	46-48	Silty sand	34 b	5.9x10^-1 b

Sh:V-172	35^o20'42"	89^o52'27"	47-49	Silty sand	34 b	6.2x10^-1 b
Sh:V-181	35^o19'52"	89^o52'03"	41-43	Silty clay, sand, gravel	29 b	1.1x10^-3 b
Sh:V-185	35^o20'48"	89^o52'09"	44-46	Fine sand	38 b	4.2x10^-1 b
Cockfield Formation
Sh:U-102	35^o20'42"	89^o52'34"	120-122	Silty clay	44 a	2.2x10^-3 a
Sh:V-79	35^o19'53"	89^o52'05"	160-162	Silty clay	41 a	2.9x10^-4 a
Sh:V-140	35^o20'49"	89^o52'24"	110-112	Clay, silt and sand lenses	51 b	1.2x10^-4 b
Sh:V-145	35^o20'50"	89^o52'21"	115-117	Clay, silt and sand lenses	55 b	4.5x10^-5 b
Sh:V-159	35^o20'46"	89^o52'28"	125-127	Clay, silt and sand lenses	50 b	2.5x10^-3 b
Cook Mountain Formation
Sh:U-98	35^o21'14"	89^o52'33"	199-200	Silty clay	37 a	4.5x10^-5 a
Sh:V-74	35^o20'32"	89^o51'14"	209-211	Silty clay	31 a	8.1x10^-6 a
Sh:V-75	35^o21'48"	89^o51'55"	218-220	Sandy clay	42 a	1.6x10^-4 a
Sh:V-76	35^o20'48"	89^o52'13"	195-197	Clay	30 a	4.0x10^-5 a
Sh:V-79	35^o19'53"	89^o52'05"	200-201	Silty clay	36 a	9.9x10^-4 a

Sh:V-80	35^o19'16"	89^o52'20"	180-182	Clay	40 a	5.0x10^-6 a

Table 2. Selected geotechnical properties of stratigraphic units at Naval Support Activity Memphis, Millington, Tennessee

[Modified from Carmichael and others, 1997; ^o, degrees; ', minutes; ", seconds; a, analyses conducted by Inberg-Miller Engineers, Cheyenne, Wyoming, under contract to the U.S. Geological Survey; b, analyses conducted by TRI State Testing Services, Inc., Memphis, Tennessee, under contract to EnSafe]

USGS local

well number

Latitude

Longitude

Sample
depth,

in feet

Sample description

Total
porosity,
in percent

Vertical

hydraulic
conductivity,
in feet per day

Upper Alluvium

Sh:U-99

35^o20'44"

89^o52'48"

13-15

Clayey silt

38 a

1.5x10^-3 a

Sh:V-80

35^o19'16"

89^o52'20"

17-19

Clayey silt

48 a

6.8x10^-3 a

Sh:V-120

35^o19'18"

89^o51'46"

17-19

Clayey silt

40 b

1.9x10^-3 b

Sh:V-123

35^o19'23"

89^o52'06"

17-19

Clayey silt

44 b

6.5x10^-3 b

Sh:V-173

35^o19'24"

89^o52'16"

16-18

Silty clay

44 b

2.7x10^-3 b

Sh:V-187

35^o19'29"

89^o52'13"

14-16

Clayey silt

42 b

1.4x10^-2 b

Lower Alluvium

Sh:V-119

35^o19'17"

89^o51'41"

41-43

Sand, small gravel

30 b

2.4x10⁰ b

Sh:V-123

35^o19'23"

89^o52'06"

41-43

Coarse sand, gravel, clay

34 b

9.6x10^-1 b

Sh:V-187

35^o19'29"

89^o52'13"

38-40

Sand, gravel, silt

22 b

5.1x10^-1 b

Loess

Sh:U-102

35^o20'42"

89^o52'34"

12-14

Silty clay

43 a

7.7x10^-3 a

Sh:U-116

35^o20'41"

89^o53'02"

20-22

Silty Clay

36 b

4.8x10^-4 b

Sh:U-135

35^o19'57"

89^o52'55"

13-15

Clayey silt

35 b

1.6x10^-3 b

Sh:U-151

35^o20'32"

89^o52'54"

18-20

Silty clay

38 b

4.0x10^-4 b

Sh:V-75

35^o21'48"

89^o51'55"

11-13

Silty clay

39 a

3.4x10^-4 a

Sh:V-76

35^o20'48"

89^o52'13"

11-13

Silty clay

45 a

4.5x10^-4 a

Sh:V-78

35^o21'15"

89^o51'29"

18-20

Silty clay

43 a

1.6x10^-2 a

Sh:V-79

35^o19'53"

89^o52'05"

10-12

Clayey silt

41 a

8.0x10^-4 a

Sh:V-100

35^o21'49"

89^o51'57"

3-5

Silty clay

39 b

8.5x10^-5 b

Sh:V-163

35^o20´49"

89^o52'26"

20-22

Silty clay

42 b

2.7x10^-3 b

Sh:V-178

35^o19'52"

89^o52'03"

8-10

Clayey silt

44 b

1.2x10^-3b

Sh:V-188

35^o20'39"

89^o52'09"

18-20

Silty clay

41 b

4.0x10^-4 b

Fluvial deposits

Sh:U-125

35^o20'52"

89^o52'35"

47-49

Silty sand, clay

35 b

4.2x10^-3 b

Sh:U-129

35^o20'46"

89^o52'30"

40-42

Sand

33 b

4.8x10^-1 b

Sh:U-135

35^o19'57"

89^o52'55"

41-43

Sandy gravel

26 b

7.4x10^-1 b

Sh:V-140

35^o20'49"

89^o52'24"

75-77

Silt, fine sand

39 b

1.9x10^-1 b

Sh:V-171

35^o20'49"

89^o52'18"

41-43

Silty sand

37 b

1.0x10^-1 b

Sh:V-164

35^o21'01"

89^o52'24"

47-49

Clayey, silty sand

31 b

9.3x10^-3 b

Sh:V-165

35^o20'59"

89^o52'22"

47-49

Sand

26 b

2.3x10^-1 b

Sh:V-166

35^o21'01"

89^o52'11"

41-43

Silty sand, clay

36 b

7.1x10^-2 b

Sh:V-167

35^o20'54"

89^o52'03"

47-49

Clayey, silty, fine sand

32 b

3.1x10^-3 b

Sh:V-170

35^o20'53"

89^o52'08"

46-48

Silty sand

34 b

5.9x10^-1 b

Sh:V-172

35^o20'42"

89^o52'27"

47-49

Silty sand

34 b

6.2x10^-1 b

Sh:V-181

35^o19'52"

89^o52'03"

41-43

Silty clay, sand, gravel

29 b

1.1x10^-3 b

Sh:V-185

35^o20'48"

89^o52'09"

44-46

Fine sand

38 b

4.2x10^-1 b

Cockfield Formation

Sh:U-102

35^o20'42"

89^o52'34"

120-122

Silty clay

44 a

2.2x10^-3 a

Sh:V-79

35^o19'53"

89^o52'05"

160-162

Silty clay

41 a

2.9x10^-4 a

Sh:V-140

35^o20'49"

89^o52'24"

110-112

Clay, silt and sand lenses

51 b

1.2x10^-4 b

Sh:V-145

35^o20'50"

89^o52'21"

115-117

Clay, silt and sand lenses

55 b

4.5x10^-5 b

Sh:V-159

35^o20'46"

89^o52'28"

125-127

Clay, silt and sand lenses

50 b

2.5x10^-3 b

Cook Mountain Formation

Sh:U-98

35^o21'14"

89^o52'33"

199-200

Silty clay

37 a

4.5x10^-5 a

Sh:V-74

35^o20'32"

89^o51'14"

209-211

Silty clay

31 a

8.1x10^-6 a

Sh:V-75

35^o21'48"

89^o51'55"

218-220

Sandy clay

42 a

1.6x10^-4 a

Sh:V-76

35^o20'48"

89^o52'13"

195-197

Clay

30 a

4.0x10^-5 a

Sh:V-79

35^o19'53"

89^o52'05"

200-201

Silty clay

36 a

9.9x10^-4 a

Sh:V-80

35^o19'16"

89^o52'20"

180-182

Clay

40 a

5.0x10^-6 a

Hydrogeologic Framework and Simulation of Ground-Water Flow and Travel Time in the Shallow Aquifer System in the Area of Naval Support Activity Memphis, Millington, Tennessee