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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 

 
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
35o20'44"
89o52'48"
13-15
Clayey silt
38 a
1.5x10-3 a
Sh:V-80
35o19'16"
89o52'20"
17-19
Clayey silt
48 a
6.8x10-3 a
Sh:V-120
35o19'18"
89o51'46"
17-19
Clayey silt
40 b
1.9x10-3 b
Sh:V-123
35o19'23"
89o52'06"
17-19
Clayey silt
44 b
6.5x10-3 b
Sh:V-173
35o19'24"
89o52'16"
16-18
Silty clay
44 b
2.7x10-3 b
Sh:V-187
35o19'29"
89o52'13"
14-16
Clayey silt
42 b
1.4x10-2 b
Lower Alluvium
Sh:V-119
35o19'17"
89o51'41"
41-43
Sand, small gravel 
30 b
2.4x100 b
Sh:V-123
35o19'23"
89o52'06"
41-43
Coarse sand, gravel, clay
34 b
9.6x10-1 b
Sh:V-187
35o19'29"
89o52'13"
38-40
Sand, gravel, silt
22 b
5.1x10-1 b
Loess
Sh:U-102
35o20'42"
89o52'34"
12-14
Silty clay
43 a
7.7x10-3 a
Sh:U-116
35o20'41"
89o53'02"
20-22
Silty Clay
36 b
4.8x10-4 b
Sh:U-135
35o19'57"
89o52'55"
13-15
Clayey silt
35 b
1.6x10-3 b
Sh:U-151
35o20'32"
89o52'54"
18-20
Silty clay
38 b
4.0x10-4 b
Sh:V-75
35o21'48"
89o51'55"
11-13
Silty clay
39 a
3.4x10-4 a
Sh:V-76
35o20'48"
89o52'13"
11-13
Silty clay
45 a
4.5x10-4 a
Sh:V-78
35o21'15"
89o51'29"
18-20
Silty clay
43 a
1.6x10-2 a
Sh:V-79
35o19'53"
89o52'05"
10-12
Clayey silt
41 a
8.0x10-4 a
Sh:V-100
35o21'49"
89o51'57"
3-5
Silty clay
39 b
8.5x10-5 b
Sh:V-163
35o20´49"
89o52'26"
20-22
Silty clay
42 b
2.7x10-3 b
Sh:V-178
35o19'52"
89o52'03"
8-10
Clayey silt
44 b
1.2x10-3 b
Sh:V-188
35o20'39"
89o52'09"
18-20
Silty clay
41 b
4.0x10-4 b
Fluvial deposits 
Sh:U-125
35o20'52"
89o52'35"
47-49
Silty sand, clay
35 b
4.2x10-3 b
Sh:U-129
35o20'46"
89o52'30"
40-42
Sand
33 b
4.8x10-1 b
Sh:U-135
35o19'57"
89o52'55"
41-43
Sandy gravel
26 b
7.4x10-1 b
Sh:V-140
35o20'49"
89o52'24"
75-77
Silt, fine sand
39 b
1.9x10-1 b
Sh:V-171
35o20'49"
89o52'18"
41-43
Silty sand
37 b
1.0x10-1 b
Sh:V-164
35o21'01"
89o52'24"
47-49
Clayey, silty sand
31 b
9.3x10-3 b
Sh:V-165
35o20'59"
89o52'22"
47-49
Sand
26 b
2.3x10-1 b
Sh:V-166
35o21'01"
89o52'11"
41-43
Silty sand, clay
36 b
7.1x10-2 b
Sh:V-167
35o20'54"
89o52'03"
47-49
Clayey, silty, fine sand
32 b
3.1x10-3 b
Sh:V-170
35o20'53"
89o52'08"
46-48
Silty sand
34 b
5.9x10-1 b
Sh:V-172
35o20'42"
89o52'27"
47-49
Silty sand
34 b
6.2x10-1 b
Sh:V-181
35o19'52"
89o52'03"
41-43
Silty clay, sand, gravel
29 b
1.1x10-3 b
Sh:V-185
35o20'48"
89o52'09"
44-46
Fine sand
38 b
4.2x10-1 b
Cockfield Formation 
Sh:U-102
35o20'42"
89o52'34"
120-122
Silty clay
44 a
2.2x10-3 a
Sh:V-79
35o19'53"
89o52'05"
160-162
Silty clay
41 a
2.9x10-4 a
Sh:V-140
35o20'49"
89o52'24"
110-112
Clay, silt and sand lenses
51 b
1.2x10-4 b
Sh:V-145
35o20'50"
89o52'21"
115-117
Clay, silt and sand lenses
55 b
4.5x10-5 b
Sh:V-159
35o20'46"
89o52'28"
125-127
Clay, silt and sand lenses
50 b
2.5x10-3 b
Cook Mountain Formation
Sh:U-98
35o21'14"
89o52'33"
199-200
Silty clay
37 a
4.5x10-5 a
Sh:V-74
35o20'32"
89o51'14"
209-211
Silty clay
31 a
8.1x10-6 a
Sh:V-75
35o21'48"
89o51'55"
218-220
Sandy clay
42 a
1.6x10-4 a
Sh:V-76
35o20'48"
89o52'13"
195-197
Clay
30 a
4.0x10-5 a
Sh:V-79
35o19'53"
89o52'05"
200-201
Silty clay
36 a
9.9x10-4 a
Sh:V-80
35o19'16"
89o52'20"
180-182
Clay
40 a
5.0x10-6 a
 


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