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Logs of Wells and Test Holes

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17-29-9aa--Sample log of test hole in the NE NE NE sec. 9, T. 17 S., R. 29 W., Lane County, drilled by State Geological Survey, September 1948. Surface altitude, 2,810.6 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, light brown 1 1
Silt and clay, tan; contains gastropod shells 11 12
Tertiary--Pliocene
Ogallala formation
Clay, calcareous, sandy, pink tan 6 18
Caliche, tan 10 28
"Mortar bed", brown 16 44
"Mortar bed" and medium sand, brown 9 53
Sand, medium to coarse 11 64
Clay, very sandy, pink tan 6 70
Sand, fine to coarse 9.5 79.5
Clay, sandy, pink tan; contains sand and gravel and some thick "mortar beds" 8 87.5
Sand, fine to medium 12.5 100
Sand, fine to medium, and yellow clay 10 110
Sand, fine to medium, and pink-gray clay 20 130
Sand, fine to coarse; contains green-gray clay 10 140
Sand, fine 10 150
Sand, fine to coarse; contains some gravel and clay 14 164
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow gray 6 170

17-29-22bb--Sample log of test hole in the NW NW NW sec. 22, T. 17 S., R. 29 W., Lane County, drilled by State Geological Survey, September 1948. Surface altitude, 2,806.5 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, light brown to dark gray 2.5 2.5
Silt and clay, brown to dark gray; contains some sand and gravel, calcareous in lower half 9.5 12
Tertiary--Pliocene
Ogallala formation
Clay, calcareous, light gray; contains some gravel and caliche pebbles 8 20
Caliche 6 26
"Mortar bed", buff to brown, noncalcareous; contains some gravel 13 39
Sand, quartz, medium to coarse 4 43
Gravel, fine to medium, cemented with caliche 2 45
"Mortar bed", calcareous, light tan 5 50
Sand and gravel; contains a 2-inch chert-like "mortar bed" at 55 feet 10 60
"Mortar bed", light gray; contains some thin clay beds 5 65
Sand, quartz, medium to coarse, semirounded 8.5 73.5
Clay, calcareous, sandy, pinkish tan 6.5 80
Sand, medium to coarse; contains some clay 6.5 86.5
Gravel, medium; contains clay and mortar beds 3.5 90
Clay, calcareous, light gray; contains some gravel 7 97
Sand, medium to coarse; contains some "mortar beds" 3 100
Sand, medium; contains some clay and thin "mortar beds" 9 109
Sand, quartz, very fine 9 118
Sand, quartz, fine to medium 7 125
Sand, medium 15 140
Sand, fine to medium 4.5 144.5
Sand, medium to coarse; contains some clay 6.5 151
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, tan to yellow 4 155
Chalk, dark gray to black 5 160

17-29-33aa--Sample log of test hole in the NE NE NE sec. 33, T. 17 S., R. 29 W., Lane County, drilled by State Geological Survey, September 1948. Surface altitude, 2,812.1 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, light brown 1.5 1.5
Silt and clay, soft, brown 11.5 13
Tertiary--Pliocene
Ogallala formation
Clay, silt, and fine sand; contains some caliche 9 22
"Mortar bed", tan to gray 8 30
"Mortar bed", hard, light tan; contains some siliceous cement 4.5 34.5
"Mortar bed", pale green, and sand 11.5 46
Sand, fine 7 53
"Mortar bed", light brown; contains some gravel 8 61
Sand, medium; contains some fine gravel and thin "mortar beds" 14 75
"Mortar bed", very chalky, white 5 80
"Mortar bed", light brown, and pink-gray clay 5 85
"Mortar bed", light brown, and fine sand 10 95
Sand, fine to coarse; contains some fine gravel and a "mortar bed" 8 103
Sand, fine 11 114
Gravel, fine to medium 3.5 117.5
"Mortar bed", calcareous, gray; contains some sand 7.5 125
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow, gray 5 130

17-30-4bb--Sample log of test hole in the NW NW NW sec. 4, T. 17 S., R. 30 W., Lane County, drilled by State Geological Survey, September 1948. Surface altitude, 2,873.2 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, light brown 2 2
Silt and clay, calcareous, tan; contains many gastropod shells 13 15
Tertiary--Pliocene
Ogallala formation
Clay and silt, sandy, white 7 22
Clay, sandy, calcareous, light grayish green, and white caliche 8 30
Caliche, dense, light gray; contains some sand 5 35
"Mortar bed", red to brown; contains fine sand 11.5 46.5
Sand, very fine, and clay; contains some caliche and medium sand 3.5 50
Sand, quartz, medium, and thin "mortar beds" 8 58
Clay, very sandy, pale green 3 61
Sand, "mortar beds", and gravel 9 70
"Mortar beds", white 8 78
"Mortar beds", pale tan, and fine sand 3 81
Clay, very sandy, pink tan; contains some thin hard "mortar beds" 4 85
"Mortar bed", fine to medium, pink tan 12 97
Sand, fine; contains some pink-tan clay 4 101
Clay, buff tan; contains some calcareous sand 9 110
Clay, buff tan; contains some sand and silt 10 120
Sand, quartz and feldspar, very fine to coarse, angular 9 129
Clay, calcareous, sandy, light tan 15 144
Sand, fine to medium 10 154
Gravel, fine, rounded 6 160
Gravel, fine to medium, rounded 10 170
Sand, quartz, fine to medium 5 175
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow tan 5 180
Chalk, greenish brown 2 182

17-30-17dd--Sample log of test hole in the SE SE SE sec. 17, T. 17 S., R. 30 W., Lane County, drilled by State Geological Survey, September 1948. Surface altitude, 2,874.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, black to brown 4.5 4.5
Silt and clay, light tan; contains many gastropod shells 11.5 16
Clay and silt, calcareous, light tan; contains some sand 4 20
Tertiary--Pliocene
Ogallala formation
Clay, calcareous, light tan; contains some sand and caliche 6 26
Sand, very fine, cemented with clay; contains some caliche 4 30
Sand, very fine; contains clay, some "mortar beds", and caliche 3 33
Caliche, white; contains some gravel 4 37
Sand and clay, calcareous; contains some fine gravel 3 40
Sand, quartz, medium 6 46
"Mortar bed" and light-tan fine sand 2 48
Sand, very fine; contains pale greenish-gray clay 3 51
Sand, medium to coarse 9 60
Sand, medium to fine; contains some medium gravel and thin "mortar beds" 12 72
Clay, reddish tan; contains caliche, some gravel 3 75
"Mortar bed", light tan to gray 4 79
"Mortar bed", light gray 9 88
"Mortar bed", reddish brown 3 91
Clay, light tan; contains some gravel and caliche 9 100
Sand, medium, rounded, brown 54 154
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow to tan 5 159
Chalk, greenish black 1 160
Sand, fine to coarse, and fine to medium gravel; contains some imbedded tan sandy clay 20 170
Sand, fine to coarse, and fine to coarse gravel; contains some interbedded tan-brown clay 10 180
Clay, limy, tan to light gray 7 187
Sand, fine to coarse, and fine to medium gravel, clayey, tan brown 20 207
Sand, fine to coarse, and fine to medium gravel, clayey, tan, brown, and yellow 10 217
Sand and gravel, fine to coarse; contains some yellow silty clay 8 225
Cretaceous--Gulfian
Pierre shale
Shale, clayey, dark gray 2 227

15-42-32dc--Sample log of test hole in the SW SE sec. 32, T. 15 S., R. 42 W., Wallace County, drilled by State Geological Survey, 1951. Surface altitude, 3,882.6 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay, tan gray to dark gray 2.5 2.5
Silt and clay, tan to tan gray 6.5 9
Sand, fine to medium fine, silty, tan 8 17
Tertiary--Pliocene
Ogallala formation
Clay, silty and sandy, limy, light tan to tan and tan brown 11 28
Clay, medium hard, gray tan 2 30
Sand, fine to coarse; contains some clay 6 36
Clay, limy to silty, tan; contains some sand 21 57
Sand and gravel, coarse to fine 8 65
Sand, fine to coarse, and clay, interbedded, tan brown 6 71
Sand, fine to coarse, and fine to coarse gravel 7 78
Clay, silty, brown 6 84
Clay, silty to sandy, tan brown; contains some imbedded sand 4 88
Clay and clayey sand; contains some light-tan limy clay 13 101
Clay, very sandy, brown to red brown 4 105
Sand, fine to coarse 2 107
Clay, sandy, limy, tan brown and light tan to gray 4 111
Sand, coarse to fine; contains some tan clay 6 117
Clay, limy and silty, light gray 4 121
Sand, coarse to fine; contains some gravel and light-tan limy clay 10 131
Sand, coarse to fine; contains some coarse to fine gravel 15 146
Clay, sandy, limy, tan to light tan 11 157
"Jip" hard stone 13 80
"Jip" and sandstone 22 102
Sand, tight 18 120
Sand and clay and "jip" stone 5 125
Sand, fair, tight, fine 10 135
Sand, good 12 147
Clay and fine sand 28 175
Sand, good 5 180
"Soapstone" 6 186
Shale 4 190

17-32-18cc--Sample log of test hole in the SW SW sec. 18, T. 17 S., R. 32 W., Scott County, drilled by State Geological Survey, 1941. Surface altitude, 2,988.5 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn and Meade formations undifferentiated
Soil, dark 3 3
Silt and fine sand, yellow tan; considerably harder near base 21 24
Sand, medium, to fine gravel, brown 4.5 28.5
Silt and fine sand, clayey, brown 2 30.5
Silt and fine sand, limy, grayish tan 1.5 32
Silt and fine sand, clayey, tan 2 34
Silt and fine sand, limy, grayish tan; darker near base; contains scattered caliche nodules 14 48
Clay, silty, dark gray 3 51
Silt and fine sand, light gray; contains abundant shell fragments 5 9
Silt and fine sand, medium gray; contains scattered caliche nodules, sand, gravel, and shell fragments 8 64
Sand to fine gravel, light brown; contains abundant light-green-gray clayey silt and fine sand intermixed 4 68
Silt and fine sand, limy, light gray to tan 4 72
Clay, silty, tan 2 74
Sand, fine, clayey, brown 4 78
Tertiary--Pliocene
Ogallala formation
Caliche, light gray, and clay, fine sandy, limy; hard beds 0.5 foot thick at top and at 81 feet 6 84
Silt and fine sand, limy; contains scattered sand, gravel, and caliche fragments 8 92
Sand and gravel, brown to gray; bottom part contains abundant caliche nodules, plastic silt, and fine sand 6.5 98.5
Caliche, light gray, and clay, fine sandy, limy, white 5 103.5
Clay, fine, sandy, limy, light gray; contains lenses of sand and gravel 7.5 111
Sand, coarse, to coarse gravel, brown; contains abundant pink quartz and granite pebbles 9 120
Sand and gravel, semi cemented 4 124
Caliche, hard, light gray, and fine-grained interbedded "mortar bed" 6 130
Caliche, hard, tan 5 135
Sand, fine, clayey, brown; contains lenses of sand and gravel and caliche; 1 1/2-foot caliche bed at 145 feet 15 150
Silt and fine sand, clayey, limy, light-gray; interbedded with hard caliche 22 172
"Mortar bed", soft, tan 4 176
Silt and fine sand, clayey, limy, tan 6 182
Sand, fine to coarse, brown, partly cemented 16.5 198.5
Silt and fine sand, plastic, limy, light gray and tan 3.5 202
Sand, fine, to fine gravel, brown 20 222
Sand, medium, to coarse gravel 15 237
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, silty, yellow 4 241
Chalk, gray to black 4 245

17-32-20aa--Sample log of test hole in the NE NE sec. 20, T. 17 S., R. 32 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 2,987.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay, black 2 2
Silt, tan gray to gray green; contains some tan-gray clay 11 13
Silt and clay, sandy, limy, tan to gray white 8 21
Silt and fine sand, very limy, light gray to white 14 35
Clay, silty to fine sandy, soft, tan brown 6 41
Sand, fine, silty, cemented, brown 6 47
Tertiary--Pliocene
Ogallala formation
Clay and silt, medium hard, limy, light gray to white 4 51
Clay, sandy, light gray to tan gray 3 54
Clay, sandy, red brown 5 59
Clay and silt, limy, tan to white; contains some sand 14.5 73.5
Silt, limy, very hard, white 3 76.5
Clay and silt, limy, light tan to white; contains some sandy clay 6.5 83
Sand, fine to coarse, and fine gravel; contains some silty clay 8 91
Sand, fine to coarse, and fine to medium gravel; contains some clay 9 100
Sand, medium to coarse, and fine to coarse gravel 14 114
Clay, silty, tan yellow, contains imbedded fine to coarse sand 8 122
Sand, fine to coarse; contains interbedded clay 19.5 141.5
Clay, sandy, tan; contains some fine to coarse sand 7.5 149
Clay, sandy and silty, tan yellow 7 156
Sand, fine to medium 12 168
Sand, fine to medium; contains some clay 20 188
Sand, fine to coarse; contains some tan sandy clay 8 196
Sand, fine to coarse, and fine to medium gravel; contains some tan sandy clay 19 215
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, silty, yellow 9 224
Chalk, clayey, gray 3 227

17-33-5cc--Sample log of test hole in the SW SW sec. 5, T. 17 S., R. 33 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 3,084.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay, dark gray 3.5 3.5
Silt and fine sand, green gray to tan gray 18 21.5
Tertiary--Pliocene
Ogallala formation
Clay and silt, limy, tan to light gray 10.5 32
Sand, very fine, and silt, limy, light tan to white 12 44
Clay and silt, very limy, white; contains some tan-brown silty sand 7 51
Sand, coarse to fine 3.5 54.5
Silt and fine sand, lime cemented, tan to very light tan 9.5 64
Sand, coarse to medium, cemented with limy silt, tan 5 69
Sand, coarse to medium, and fine to medium gravel; imbedded in silt and limy clay 6 75
Clay and fine sand, silty, limy, tan 12 87
Sand, fine to coarse, cemented with clay 11 98
Clay, silty, green gray 3 101
Sand, fine to medium, cemented with clay, tan brown 19 120
Sand, fine to medium; contains some tan silty clay 47 167
Clay, sandy, yellow to yellow tan 15 182
Sand, fine to medium 11 193
Sand, fine to coarse 14.5 207.5
Cretaceous--Gulfian
Niobrara formation
Clay and chalk, soft, yellow 5 208
Chalk, clayey, medium soft, dark gray 2 210

17-33-21cd1--Sample log of test hole in the SE SW sec. 21, T. 17 S., R. 33 W., Scott County, drilled by State Geological Survey, 1951. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, clay, and sand, tan gray to black 3 3
Sand, fine to coarse, and fine to medium gravel 10 13
Sand and gravel; contains limy silt nodules 29 42
Tertiary--Pliocene
Ogallala formation
Silt, limy, white; contains coarse imbedded sand 6 48
Clay, blocky, tan brown, and nodular limy silt; contains imbedded sand grains 4 52
Sand and silt, brown 6 58
Sand, medium to fine, silty, limy, gray to tan gray 9 67
Clay and sand interbedded, limy, tan 5 72
Sand, fine to medium, cemented, tan brown 8 80

17-33-21cd2--Sample log of test hole in the SE SE SW sec. 21, T. 17 S., R. 33 W., Scott County, drilled by State Geological Survey, 1951. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay, black 1 1
Silt, gray tan to gray green 18 19
Clay, silty, tan brown 6 25
Tertiary--Pliocene
Ogallala formation
Clay and silt, limy, tan to light tan 10.5 35.5
Silt, very limy, white 1.5 37
Clay, silty, tan, light tan, and white; contains some sand 4 41
Sand, fine, cemented, brown; contains some limy clay 6 47
Sand, fine to coarse, and fine to medium gravel; contains some limy silt 14 61
Sand, fine to medium, cemented, tan brown; contains some light-tan limy clay 2 63
Silt and fine sand, limy, light gray 2 65
Clay, silty, limy, light tan; contains some imbedded coarse to fine sand 3 68
Clay, sandy and silty, limy, light gray 9 77
Silt, sandy, cemented, brown 2 79
Clay and sandy silt, interbedded, tan and tan brown 5 84
Sand, coarse to fine, and fine gravel; contains some light-tan sandy clay 6 90
Clay, gray brown to tan, and light-tan sandy silt 6 96
Sand, coarse to fine, and fine gravel 9 105
Sand, coarse to fine, and some fine to medium gravel 5 110

17-33-21db--Sample log of test hole in the NW SE sec. 21, T. 17 S., R. 33 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 2,974.3 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay; contains some fine to coarse sand 2.5 2.5
Sand, coarse to fine; contains some silt, clay, and nodular limy silt 5.5 8
Sand, coarse to fine; contains some nodular limy silt 7 15
Tertiary--Pliocene
Ogallala formation
Clay, silty, blocky, brown to red brown; contains some coarse sand 7 22
Clay, silty, gray to tan gray; contains some sand 6 28
Sand, fine to medium; contains some silty sand 9.5 37.5
Sand, fine to medium, cemented, silty, and some fine to medium gravel 3.5 41
Sand, fine to medium, limy, silty, tan 17 58
Clay, yellow; contains some imbedded sand 9 67
Sand, fine to medium, silty, brown 20 87
Sand, fine to medium, brown 10 97
Sand, fine to medium, brown; contains some clay 12 109
Cretaceous--Gulfian
Niobrara formation
Chalk, silty to sandy, yellow 5 114
Chalk, clayey, medium hard, gray 3.5 117.5

17-33-36ba--Drillers log of well in the NE NW sec. 36, T. 17 S., R. 33 W., Scott County; irrigation well, S. W. Filson, owner, Weishaar and Son, driller. Surface altitude, 2,994.5 feet. Thickness,
feet		 Depth,
feet
Soil 106 106
Sand 32 138
Clay 10 148
Rock 5 153
Clay and sand 12 165
Sand and fine clay 43 208
Sand, good 2 210
Sand, fine 10 220
Sand, good 8 228
"Soapstone" [shale] 2 230

17-34-2db--Drillers log of test hole in the NW SE sec. 2, T. 17 S., R. 34 W., Scott County; Chas. Watkins, owner, Weishaar and Son, driller. Surface altitude, 3,097 feet. Thickness,
feet		 Depth,
feet
Clay 52 52
"Jip" [caliche] and clay 38 90
Clay, blue 48 138
Sand, fine, and claystone 10 148
Sand, fine, dirty 19 167
Clay and fine sandstone 23 190
Rock 4 194
Clay (shale) 4 198

17-34-5bb--Drillers log of well in the NW NW sec. 5, T. 17 S., R. 34 W., Scott County; Roy R. Rose, owner, Weishaar and Son, driller. Thickness,
feet		 Depth,
feet
Clay 15 15
Clay and "jip" [caliche] 17 32
"Jip" and claystone 43 75
Sand and clay 12 87
Clay and "jip" 8 95
Sand, dirty 11 106
Clay 4 110
Sand, fine, dirty 16 126
"Jip" and clay 3 129
Sand, dirty, fine 8 137
"Jip" 4 141
Sand, fine, and "jip" 11 152
Sand 5 157
Clay 9 166
Sand, fine, dirty 19 185
Sand 7 192
Clay 13 205
Shale 5 210

17-34-9aa--Sample log of test hole in the NE NE sec. 9, T. 17 S., R. 34 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 3,123.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, silt, and clay, black 3 3
Silt, gray green; contains some fine sand and tan clay 10 13
Silt, gray green and brown; contains fine sand and tan clay 6 19
Clay, tan brown to tan; contains some silt 2 21
Tertiary--Pliocene
Ogallala formation
Clay, silty, limy, light tan 4 25
Sand, medium to fine; contains much limy silt 4 29
Clay, limy, soft, light gray 9 38
Sand, medium to fine; contains some limy silt 4.5 42.5
Clay and silt, limy, tan to light tan 5.5 48
Silt and chalk; contains some imbedded coarse to fine sand 6 54
Silt, clayey, brown; contains some limy clay and fine sand 7 61
Sand, fine, clayey, limy, tan 11 72
Clay, limy, soft, tan 2 74
Sand, silty, fine to medium, brown 4 78
Clay and silt, limy, tan to very light tan; contains some imbedded coarse to medium sand 6 84
Sand and silt 5 89
Silt, gray tan to gray green 3 92
Silt, clay, and fine sand, tan to tan brown 6 98
Silt, soft, brown; contains some fine sand 9 107
Sand, fine to medium; contains some brown silt 14 121
Sand, fine to medium, and some tan silty clay 9 130
Sand, fine to medium; contains some brown, tan, and gray silt 6 136
Sand, quartz, very fine to fine 46 182
Cretaceous--Gulfian
Niobrara formation
Chalk, silty, yellow 7 189
Chalk, clayey, gray 5 194

17-34-16ac--Drillers log of well in the SW NE sec. 16, T. 17 S., R. 34 W., Scott County; irrigation well, Bernarr Nelson, owner, Ben Hasz, driller. Surface altitude, 3,134.0 feet. Thickness,
feet		 Depth,
feet
Top soil 25 25
"Gyp" [caliche] 15 40
"Gyp" rock 13 53
Sand rock 21 74
Sand 13 87
Sand and clay 23 110
Tight sand and clay 6 116
Hard "gyp" and sand 18 134
Fine sandy clay 13 147
Sand, bright, fine, and clay 13 160
Sand, bright, clay 18 178
Sandy clay to clay 9 187
Sand and clay 2 189
Sand, fair 6 195
Clay 1 196
Gravel, 4-foot streak of clay 8 204
Clay, yellow 4 208
Shale 0 208

17-34-17ca--Drillers log of test hole in the NE SW sec. 17, T. 17 S., R. 34 W., Scott County; Marion Barnhard, owner, Weishaar and Son, driller. Thickness,
feet		 Depth,
feet
Clay 32 32
"Jip" [caliche] 8 40
Clay 8 48
"Jip" 14 62
Clay and "jip" 30 92
Sand, fine, and clay 15 107
Sand 2 109
Clay and "jip" 9 118
Sand, fine, and clay 24 142
Rock 2 144
Sand, fine, dirty 29 173
Sand, fine, and clay 11 184
Sand 6 190
"Soapstone" [shale] 10 200

17-34-17dc--Drillers log of test hole in the SW SE sec. 17, T. 17 S., R. 34 W., Scott County; H. T. Whitham, owner, Weishaar and Son, driller. Surface altitude, 3,056 feet. Thickness,
feet		 Depth,
feet
Clay 4 4
Sand 2 6
"Jip" [caliche] 10 16
Clay 4 20
Sand, fine 9 29
"Jip" and sand 5 34
Rock 3 37
"Jip" and clay 6 43
Sand, fine, dirty 6 49
Clay 4 53
Sand, fine, dirty 21 74
Sand, fine 8 82
Clay 18 100
Sand 4 104
"Soapstone" 5 109
Shale 6 115

17-34-21ad3--Sample log of test hole in the SE NE sec. 21, T. 17 S., R. 34 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 3,034.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Alluvium
Soil, clay, and some silt, black 2 2
Clay, silty, tan; contains some fine sand 5 7
Sand, fine to medium, silty 7 14
Clay, gray; contains some silt 6.5 20.5
Clay and silt, blue gray 3.5 24
Tertiary--Pliocene
Ogallala formation
Sand, coarse to medium fine 8 32
Sand, fine, silty 4 36
Sand, fine to coarse, silty, tan yellow 17 53
Clay, soft, yellow 4 57
Clay, sandy, yellow tan to yellow 6 63
Sand, medium coarse to fine 11 74
Clay, mottled yellow to white; contains some imbedded sand 5 79
Sand, fine to coarse, light tan; contains some fine gravel 16.5 95.5
Cretaceous--Gulfian
Niobrara formation
Chalk, clayey, soft, yellow 4 99.5
Chalk, clayey, gray 4.5 104

17-34-21dd--Sample log of test hole in the SE SE sec. 21, T. 17 S., R. 34 W., Scott County, drilled by State Geological Survey, 1951. Surface altitude, 3,124.0 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Soil, clay, and silt, black 2.5 2.5
Clay and limy clay nodules, silty; contains some medium to coarse sand 2.5 5
Silt, gray green to tan gray; contains some fine sand and tan clay 7.5 12.5
Silt, brown to tan brown; contains some tan clay 5.5 18
Clay, limy, light tan and light brown 8 26
Tertiary--Pliocene
Ogallala formation
Silt and clay, white to light tan 6 32
Silt and fine sand, very limy, tan to white 17 49
Sand, fine to coarse; contains some fine gravel 4 53
Clay, silty, limy, tan to light tan 4 57
Silt, limy; contains some white sand 9 66
Silt, limy; contains some white sand and gray silty clay 2 68
Clay and silt, very limy; contains some imbedded sand and gravel 2.5 70.5
Silt, limy, white; contains some imbedded gravel 4.5 75
Clay, soft, gray; contains some sand and limy silt 2 77
Clay and silt, limy, tan to light tan 9 86
Sand, coarse to fine; contains some tan limy clay 10 96
Sand, coarse to fine; contains some clay 12 108
Clay and silt, limy, light tan 8 116
Sand, fine to medium; contains some clay 2 118
Clay, tan to yellow tan; contains some coarse imbedded sand 3 121
Silt and clay, limy, sandy, light tan; contains imbedded sand 9 130
Clay, silty, soft, yellow to tan yellow; contains some sand 14 144
Sand, fine to medium; contains some yellow silty clay 20 164
Sand, fine to medium; contains some clay 20 184
Sand, fine to coarse; contains some yellow clay 8 192
Cretaceous--Gulfian
Niobrara formation
Chalk, clayey, sandy, yellow 5.5 197.5
Chalk, clayey, gray .5 198

17-35-7ad--Sample log of test hole in the SE SE NE sec. 7, T. 17 S., R. 35 W., Wichita County, drilled by State Geological Survey, October 1947. Surface altitude, 3,132.1 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Alluvium
Silt, dark brown 3 3
Silt, light brown 7 10
Clay, limy, gray 7 17
Clay, limy, blue 10 27
Tertiary--Pliocene
Ogallala formation
Sand, fine to coarse; contains fine gravel 3 30
Gravel, fine to coarse; contains fine to coarse sand 14 44
Sand, fine, and clayey yellow-brown silt; contains medium to coarse sand at 48 to 50 feet 6 50
Sand, fine to coarse; contains fine gravel 30 80
Sand, fine to coarse, and fine gravel; contains some clayey yellow-brown fine sand and silt at 88 to 90 feet 10 90
Sand, medium to coarse; contains clayey yellow-brown silt and fine sand 10 100
Clay, sandy, limy, yellow 13 113
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, blue gray 5 118

17-35-36bb--Drillers log of well in the NW NW sec. 36, T. 17 S., R. 35 W., Wichita County; irrigation well, E. Wicoff, owner, Weishaar and Son, driller. Surface altitude, 3,176.3 feet. Thickness,
feet		 Depth,
feet
Clay 18 18
"Jip" [caliche] and clay 14 32
"Jip" 8 40
Clay 5 45
Sand, hard 11 56
Sand, clay, and "jip" 16 72
Sand, light 4 76
Clay 6 82
"Jip" 3 85
Clay 4 89
Sand, fine, and clay 18 107
Clay 6 113
Sand, fine 5 118
Clay 8 126
Sand, fine 6 132
Sand, "jip", hard 13 145
Sand 17 162
Sand, fine, and clay 8 170
Sand, fine, dirty 7 177
Sand 2 179
Clay 3 182
Gravel 10 192
"Soapstone" 6 198
Shale 2 200

17-36-9bb--Sample log of test hole in the NW NW NW sec. 9, T. 17 S., R. 36 W., Wichita County, drilled by State Geological Survey, September 1947. Surface altitude, 3,283.9 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown 3 3
Silt, light brown; contains snail shells 15.5 18.5
Silt, sticky, light brown 1.5 20
Tertiary--Pliocene
Ogallala formation
Caliche, white 10 30
Limestone, sandy, impure 8 38
Silt, sandy, brown to white 5 43
Caliche, hard, white; contains some opal 11 54
Silt, sandy, brown 9 63
Sand, medium 14.5 77.5
Silt, sandy, brown 2.5 80
Silt, sandy, sticky, brown; contains medium sand 44 124
Caliche, white 6 130
Sand, fine to medium 40 170
Sand, fine to medium; contains silt 12 182
Sand, coarse, and fine to medium gravel 6 188
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, clayey, weathered, yellow 4 192
Chalk, gray 4 196

17-36-16cb--Sample log of test hole in the SW NW SW sec. 16, T. 17 S., R. 36 W., Wichita County, drilled by State Geological Survey, September 1947. Surface altitude, 3,192.6 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Alluvium
Silt, black 4 4
Silt, brown 2 6
Sand, fine to medium 4 10
Sand, coarse to medium; contains fine gravel 17 27
Tertiary--Pliocene
Ogallala formation
Gravel, fine to medium; contains some coarse gravel 13 40
Gravel, fine, and coarse to medium sand 20 60
Sand, coarse to medium; contains fine gravel 40 100
Sand, coarse, and fine gravel 8 108
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, weathered, yellow 12 120
Chalk, yellow 7 127
Chalk, blue gray 3 130

17-36-29aa--Sample log of test hole in the NE NE sec. 29, T. 17 S., R. 36 W., drilled by State Geological Survey, September 1947. Surface altitude, 3,279.9 feet. Water level, 93.5 feet September 14, 1947. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown 4 4
Silt, light brown 14 18
Silt, clayey, light brown 6 24
Tertiary--Pliocene
Ogallala formation
Clay, calcareous, white 4 28
Caliche, hard, white 22 50
Caliche, white to brown 10 60
Sand, medium to fine, semiconsolidated, brown 10 70
Sand, medium to fine, semiconsolidated, brown; contains coarse sand 10 80
Sand, fine, and silt, brown; contains white caliche 13 93
Sand, medium to coarse, reddish brown; contains fine sand and silt 5 98
Sand, coarse to medium, pinkish; contains fine gravel and sand 12 110
Sand, coarse, and fine gravel; contains some medium to fine sand 11 121
Caliche, white 2 123
Sand, medium, pink 7 130
Sand, coarse to medium 7 137
Sand, fine, and silt, sticky 3 140
Sand, medium, pink 13 153
Sand, fine, semiconsolidated 3 156
Sand, medium, pink 31 187
Sand, coarse; contains fine gravel 11 198
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, weathered, yellow 2 200
Chalk, yellow 28 228
Chalk, gray 2 230

17-38-16cc--Sample log of test hole in the SW SW SW sec. 16, T. 17 S., R. 38 W., Wichita County, drilled by State Geological Survey, September 1947. Surface altitude, 3,434.8 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown 2 2
Silt, sticky, light brown 12 14
Tertiary--Pliocene
Ogallala formation
Clay, white 4 18
Caliche, sandy, white 2 20
Caliche, sandy, white to light tan 8 28
Silt, sandy, light green 2 30
Caliche, white to light brown; contains medium to fine gravel and brown sandy silt 10 40
Silt, sandy, brown to light gray 10 50
Sand, medium to coarse, and fine gravel, partly cemented, brown 10 60
Sand, coarse to medium, and fine to medium gravel 7 67
Silt, sandy, brown; contains fine gravel 3 70
Silt, sandy, brown to light tan 10 80
Sand, fine, and silt 5 85
Silt, sandy, light brown 15 100
Sand, fine, and silt 8 108
Sand, fine, and silt, compact, brown 2 110
Sand, fine, and silt 5 115
Silt, sandy, white 13 128
Sand, fine to coarse 10 138
Silt, sandy, yellow 2 140
Sand, fine to medium, and silt; contains some coarse sand 10 150
Sand, fine to medium, and silt 7 157
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, clayey, yellow 10 167
Chalk, gray 3 170

17-39-19bb-Sample log of test hole in the NW NW NW sec. 19, T. 17 S., R. 39 W., Greeley County, drilled by State Geological Survey, October 1947. Surface altitude, 3,573.6 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown 2 2
Silt, light brown 16 18
Tertiary--Pliocene
Ogallala formation
Clay, white 4 22
"Mortar bed", hard, white 4 26
"Mortar bed", light brown 11 37
Sand, medium to coarse, and fine gravel 4 41
Sand, fine to coarse, and fine to coarse gravel; partly cemented at 50 to 60 feet 19 60
Sand, coarse, and fine to coarse gravel; contains some tan clay at 67 to 70 feet 10 70
Clay, sandy, tan 5 75
"Mortar bed", hard, tan 7 82
Sand, coarse, and fine to coarse gravel 5 87
Clay, gray; contains a small amount of coarse gravel 2 89
Sand, medium to coarse, and fine to medium gravel 8 97
"Mortar bed" 13 110
Silt and fine sand, clayey; contains fine to coarse gravel 10 120
Silt and fine sand, sticky, clayey, and medium to coarse sand; contains a small amount of fine gravel 17 137
Sand, fine to medium 3 140
Sand, coarse, and fine to medium gravel 7 147
Sand, coarse, and fine to coarse gravel; contains light-tan clay 3 150
Sand, coarse, and fine to medium gravel 5 155
Gravel, fine to coarse; contains light-tan clay 5 160
Sand, coarse, and fine to coarse gravel; contains light-tan clay 10 170
Sand, medium to coarse, and fine to medium gravel 10 180
Sand, coarse, and fine to coarse gravel; contains yellow clay at 189 to 190 feet 10 190
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow 7 197
Chalk, gray 3 290

17-41-22bb--Sample log of test hole in the NW NW NW sec. 22, T. 17 S., R. 41 W., Greeley County, drilled by State Geological Survey, September 1947. Surface altitude 3,715.3 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown .5 .5
Silt, light brown 17.5 18
Tertiary--Pliocene
Ogallala formation
Clay, light tan; contains some fine to medium gravel 2 20
Sand, medium to coarse 3 23
Clay, light tan 2 25
Sand, coarse, and fine gravel 5 30
Sand, coarse, and fine to medium gravel 10 40
Gravel, fine to medium 10 50
Clay, sandy, light tan; contains coarse to medium gravel 8 58
Silt, sandy, light tan 2 60
Clay, sandy, light brown; contains some fine to medium sand at 68 to 70 feet 10 70
Sand, coarse, and fine gravel 5 75
Sand, coarse, and fine to medium gravel; contains some clay and coarse gravel 5 80
Caliche, hard 5 85
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow brown 23 108
Chalk, gray 4 112

17-42-19cc--Sample log of test hole in the SW SW SW sec. 19, T. 17 S., R. 42 W., Greeley County, drilled by State Geological Survey, 1947. Surface altitude, 3,808.5 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
No sample recovered 30 30
Tertiary--Pliocene
Ogallala formation
Sand, fine to coarse 1 31
Sand, coarse, and fine to coarse gravel 2 33
Sand, medium to coarse, and fine gravel; contains some clay 3.5 36.5
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, clayey, yellow 12 48.5
Chalk, blue gray 1.5 50

17-43-13dd--Sample log of test hole in the SE SE SE sec. 13, T. 17 S., R. 43 W., Greeley County, drilled by State Geological Survey, October 1947. Surface altitude, 3,819.8 feet. Thickness,
feet		 Depth,
feet
Quaternary--Pleistocene
Sanborn formation
Silt, dark brown 1 1
Silt, light brown 15 16
Tertiary--Pliocene
Ogallala formation
Clay, calcareous, gray 5 21
Sand, medium to coarse; contains some fine to coarse gravel 9 30
Cretaceous--Gulfian
Niobrara formation--Smoky Hill chalk member
Chalk, yellow 4 34
Chalk, blue gray 4 38

T. 13 S. || T. 14 S. || T. 15 S. || T. 16 S. || T. 17 S. || T. 18 S.

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Kansas Geological Survey, Geology
Placed on web Jan. 29, 2013; originally published December 1957.
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