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Geohydrology of Gove County

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Logs of Test Holes and Wells, continued

T. 10 S. || T. 11 S. || T. 12 S. || T. 13 S. || T. 14 S. || T. 15 S.

11-26-11cc1--Drillers log of shot hole in SW SW sec. 11, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,537.3 feet; depth to water, 10 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 11 11
Clay, sandy 23 34
Tertiary--Pliocene
Ogallala Formation
Caliche, sandy 21 55
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 7 62
Shale, brown 4 66
Shale, blue 4 70

11-26-11cc2--Drillers log of shot hole in SW SW sec. 11, T. 11 S.,R. 26W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,581.9 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 10 10
Clay, sandy 15 25
Tertiary--Pliocene
Ogallala Formation
Caliche, sandy 25 50
Clay, sandy 30 80
Sand 21 101
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 8 109
Shale, brown 1 110

11-26-13ba2--Drillers log of shot hole in NE NW sec. 13, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,569.8 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 15 15
Clay, sandy 11 26
Tertiary--Pliocene
Ogallala Formation
Sand 10 36
Caliche, sandy 24 60
Sand 20 80
Limestone, hard; contains flint layers 10 90
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 7 97
Shale, brown 28 125

11-26-13cd--Drillers log of shot hole in SE SW sec. 13, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,571.0 feet; depth to water, 54.80 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 10 10
Tertiary--Pliocene
Ogallala Formation
Sand, clayey 34 44
Caliche 21 65
Clay, sticky 7 72
Limestone, hard; contains flint layers 8 80
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 19 99
Shale, brown 16 115

11-26-13dd-Drillers log of shot hole in SE SE sec. 13, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,540.3 feet; depth to water, 37.80 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 8 8
Tertiary--Pliocene
Ogallala Formation
Sand 12 20
Sand, clayey 29 49
Caliche 3 52
Limestone, hard; contains flint layers 13 65
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 25 90
Shale, brown 5 95

11-26-14cd--Drillers log of shot hole in SE SW sec. 14, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,609.1 feet; depth to water, 73.97 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 11 11
Tertiary--Pliocene
Ogallala Formation
Sand 9 20
Clay, sandy 80 100
Sand and gravel, cemented 13 113
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 6 119
Shale, brown 1 120

11-26-14dc--Drillers log of shot hole in SW SE sec. 14, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,594.2 feet; depth to water., 69.34 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 10 10
Clay 11 21
Tertiary--Pliocene
Ogallala Formation
Caliche, sandy 30 51
Sand 9 60
Caliche 1 61
Clay, sandy 27 88
Limestone, hard; contains flint layers 15 103
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 18 121
Shale, brown 4 125

11-26-14dd--Drillers log of shot hole in SE SE sec. 14, T. 11 S., R. 26 W. Drilled by Schaeffer Geophysics June 20, 1952. Surface altitude, 2,558.6 feet; depth to water, 38.40 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt 11 11
Tertiary--Pliocene
Ogallala Formation
Sand 9 20
Clay, sandy 35 55
Sand and gravel, cemented 10 65
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow 27 92
Shale, brown 4 96
Shale, blue 4 100

11-26-19cc--Sample log of test hole in SW SW sec. 19, T. 11 S., R. 26 W., 45 feet north of intersection and 20 feet east of center line of north-south road. Drilled by State Geological Survey, September 19, 1952. Surface altitude, 2,664.0 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Clay, silty, blocky, dark brown 6.5 6.5
Clay, silty, compact, tan gray 4.5 11
Clay, compact, light gray 12 23
Clay, soft, tan; contains gravel in lower part 4 27
Tertiary--Pliocene
Ogallala Formation
Clay, very sandy, tan 2 29
Sand, fine to coarse; contains some clay 7.5 36.5
Sand, fine to coarse, and fine gravel 6.5 43
Clay, sandy, tan brown; contains caliche 14 57
Sand, fine to coarse, and fine to medium gravel, clayey 2 59
Clay, sandy, tan brown to light tan; contains cemented sand at 67 feet 14 73
Sand and gravel, fine to coarse 4 77
Clay, sandy to compact, tan brown 17 94
Sand, gravel, and pebbles, clayey, gray; contains tan silt and chalk fragments 10.5 104.5
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Chalk, silicified, hard, yellow brown 1 105.5

11-26-27dd--Drillers log of test hole in SE SE sec. 27, T. 11 S., R. 26 W. Drilled on Mark Neher farm. Depth to water 85 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt and clay, sandy at base 20 20
Tertiary--Pliocene
Ogallala Formation
Sand, cemented 15 35
Sand, loose 8 43
Clay 1 44
Sand, clayey 3 47
Clay 3 50
Sand 6 56
Sand, clayey 21 77
Sand, coarse 9 86
Sand and gravel, cemented 3 89
Clay 6 95
Sand 6 101
Sand, clayey 6 107
Sand, cemented 8 115
Sand, loose, coarse 2 117
Sand and gravel, cemented 8 125
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, weathered, yellow 13 138

11-26-31bb--Sample log of test hole in NW NW sec. 31, T. 11 S., R. 26 W., 40 feet south of intersection and 10 feet east of center line of road. Drilled by State Geological Survey September 18, 1952. Surface altitude, 2,664.9 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, buff 14.5 14.5
Clay, compact, dark brown 1 15.5
Clay, silty to sandy in lower part, tan 6.5 22
Tertiary--Pliocene
Ogallala Formation
Sand and gravel, fine to coarse, silty, cemented in part 6 28
Sand, fine to medium, cemented with light-gray limy silt; very clayey in part 9 37
Sand and gravel, fine to coarse, clean 5 42
Sand, fine to coarse, clayey, tan to brown 15 57
Sand, fine to coarse, loosely cemented 8 65
Clay, compact to silty, tan to brown 8 73
Sand and gravel, fine to coarse, silty in part 15 88
Clay, very sandy, tan brown; contains chalk fragments in lower part 19 107
Sand, fine to coarse, clayey; contains chalk fragments and clay below 117 feet 31 138
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, chalky, white and yellow 2 140

11-26-31dd--Sample log of test hole in SE SE sec. 31, T. 11 S., R. 26 W., 100 feet west of road intersection and 10 feet north of center line of road. Drilled by State Geological Survey September 2, 1952. Surface altitude, 2,638.2 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Clay, silty, brown 3 3
Silt, gray green to tan brown 6.5 9.5
Clay, silty, brown 5.5 15
Clay, silty, tan to white; contains gravel in lower part 4 19
Tertiary--Pliocene
Ogallala Formation
Sand and gravel, fine to coarse, silty to clayey above 27 feet 10 29
Sand, fine to coarse, and fine to medium gravel, silty; limy cement 3 32
Sand, fine to medium, clayey, tan 6 38
Clay, sandy, gray brown; contains some gravel 8.5 46.5
Sand and gravel, fine to coarse, clayey to silty, gray brown 12.5 59
Clay, sandy and limy, tan gray 3 62
Sand, fine to coarse, clayey 11 73
Clay, sandy, tan brown 14 87
Sand and gravel, fine to coarse, clayey 2.5 89.5
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Chalk, silicified, hard, yellow, white, and brown 2.5 92

11-26-34dc--Sample log of test hole in SW SE sec. 34, T. 11 S., R. 26 W., 100 feet east of 1/2-mile line and 8 feet north of center line of road. Drilled by State Geological Survey September 7, 1957. Surface altitude, 2,613.6 feet; depth to water, 62.50 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, light brown; contains snail shells 18 18
Tertiary--Pliocene
Ogallala Formation
Sand, fine, and caliche, light gray 10 28
Sand, fine 1 29
Sand, fine to medium, cemented 1 30
Sand, medium to coarse, cemented, light gray 7 37
Sand, medium to coarse, cemented, pink 13 50
Sand, fine to medium 4 54
Sand, medium, cemented 6 60
Sand, fine, silty; contains thin cemented zones 23 83
Sand, clean, white 7.5 90.5
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Chalk, silicified, hard 0.5 91

11-26-36dd--Sample log of test hole in SE SE sec. 36, T. 11 S., R. 26 W., 40 feet west of road intersection and 11 feet north of center line of road. Drilled by State Geological Survey September 19, 1952. Surface altitude, 2,584.4 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, clayey, tan gray; contains gravel in lower part 7 7
Tertiary--Pliocene
Ogallala Formation
Clay, very sandy, tan to tan white 3 10
Sand and gravel, fine to coarse, silty to clayey, red brown; loosely cemented sand below 27 feet 18 28
Clay, sandy, tan to light tan 4 32
Sand and gravel, fine to coarse, silty 10.5 42.5
Clay, sandy and limy, light tan to white 2.5 45
Sand and gravel, fine to coarse, clayey 3.5 48.5
Clay, sandy, tan gray to gray brown 12.5 61
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Chalk, silicified, yellow to white 2.5 63.5

11-27-31cc--Sample log of test hole in SW SW sec. 31, T. 11 S., R. 27 W., 20 feet north of road intersection and 22 feet east of center line of road. Drilled by State Geological Survey September 18, 1952. Surface altitude, 2,694.3 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, tan gray to tan brown 9 9
Clay, tan gray to gray 5 14
Clay, silty, tan to tan brown; contains some gravel in lower part 14 28
Tertiary--Pliocene
Ogallala Formation
Clay, sandy, light gray 1 29
Sand, fine to coarse, and fine to medium gravel 12 41
Sand, fine to coarse; contains tan to white silt 5 46
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, very chalky, yellow and white; contains silicified zone at 49.5 feet 3.5 49.5

11-28-7cc--Sample log of test hole in SW cor. sec. 7, T. 11 S., R. 28 W., 60 feet east of road intersection and 83 feet south of fence line. Drilled by State Geological Survey September 16, 1952. Surface altitude, 2,825.4 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Soil, silty and clayey, dark brown 1.5 1.5
Silt, tan gray; contains many snail shells 10.5 12
Clay, silty to blocky, limy, tan white 22 34
Tertiary--Pliocene
Ogallala Formation
Gravel, fine to coarse; contains some sand and clay 15 49
Clay, sandy, gray to tan gray 2 51
Sand and gravel; contains some pebbles throughout and is silty in lower part 18.5 69.5
Sand, fine to medium, silty 3.5 73
Sand, fine to coarse, and fine gravel, clayey above and silty below 80 feet 10 83
Clay, sandy, tan and tan red 19 102
Sand and gravel, fine to coarse, silty 12 114
Clay, very sandy, tan brown 4 118
Sand, fine to coarse, and clay, interbedded, limy, light tan 60 178
Sand, fine to coarse, limy cement, tan 8.5 186.5
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, chalky, yellow; silicified at 187 feet 0.5 187

11-28-10dd--Drillers log of well in SE SE sec. 10, T. 11 S., R. 28 W. Drilled by Aqua Drillers September 26, 1956. Depth to water, 80 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Clay, yellow 20 20
Clay, pink 15 35
Tertiary--Pliocene
Ogallala Formation
Sand 15 50
Clay, sandy 25 75
Clay, sandy cemented layers 15 90
Clay, blue 1 91
Sand, thin flint zone 4 95
Sand 22 117
Clay, sandy 3 120

11-28-26bb--Drillers log of well in NW NW sec. 26, T. 11 S., R. 28 W. Drilled by Aqua Drillers September 30, 1956. Depth to water, 83-10 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Clay 25 25
Tertiary--Pliocene
Ogallala Formation
Caliche, hard .5 25.5
Clay, sandy 18.5 44
Caliche, hard 1 45
Clay, red, sandy 20 65
Sand 20 85
Clay, sandy 18 103
Caliche, hard 5 108
Lost circulation   108

11-28-31cc--Sample log of test hole in SW cor. sec. 31, T. 11 S., R. 28 W., 20 feet north of section line and 6 feet east of fence line on edge of field. Drilled by State Geological Survey September 18, 1952. Surface altitude, 2,810.8 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Soil, silty and clayey, dark brown 1.5 1.5
Clay, silty, light gray 1.5 3
Silt, tan gray 11 14
Clay, silty, light tan 11 25
Tertiary--Pliocene
Ogallala Formation
Sand, fine, clean 2 27
Sand, fine to coarse, loose to cemented 27 54
Clay, sandy, tan to tan brown 8 62
Sand, gravel, and pebbles, silty 8 70
Clay, sandy and gravelly, tan brown 7 77
Sand and gravel, fine to coarse, clayey, tan brown 13 90
Sand, gravel, and pebbles, silty to clayey, tan yellow 8 98
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow and white; contains a thin bed of silicified chalk in upper part 6 104

11-28-33dd--Sample log of test hole in SE SE sec. 33, T. 11 S., R. 28 W., 14 , mile north of sec. cor. on west side of road by corner post. Drilled by State Geological Survey August 10, 1957. Surface altitude, 2,738.4 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Top soil, brown 2 2
Silt, clayey, yellow brown 7.5 9.5
Silt, red brown, sandy 2.5 12
Silt, tan; contains some caliche 1.5 13.5
Silt, white to tan, sandy; contains abundant caliche 9.5 23
Tertiary--Pliocene
Ogallala Formation
Sand, fine to medium, tan 2 25
Sand, medium to very coarse; contains thin cemented layer at 28 feet 8 33
Silt, sandy, tan 10 43
Sand, fine to medium; contains thin silt layers 5 48
Gravel, coarse 2 50
(Lost circulation at 50 feet)    

11-29-19cc1--Sample log of test hole in SW SW sec. 19, T. 11 S., R. 29 W., 200 feet north of bridge and 5 feet east of center line of road. Drilled by State Geological Survey September 12, 1957. Surface altitude, 2,833.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, brown 3 3
Silt, black 9 12
Silt, brown 6 18
Silt, gray 4 22
Tertiary--Pliocene
Ogallala Formation
Sand, fine to coarse 8 30
Sand, fine to coarse; contains some gravel 3 33
Sand, medium to coarse, silty, gray 5 38
Sand and gravel, silty 9 47
Sand and gravel, cemented 2 49
Sand and gravel 2 51
Sand, coarse, silty, gray 11 62
Silt, white; contains some gravel 23 85
Sand, fine to medium, clean 2 87
(Lost circulation at 87 feet)    

11-29-19cc2--Sample log of test hole in SW cor. sec. 19, T. 11 S., R. 29 W., 50 feet east of sec. cor. and 10 feet north of center line of road. Drilled by State Geological Survey September 16, 1957. Surface altitude, 2,860.6 feet; depth to water, 74.20 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, brown 12 12
Caliche, soft, white 1 13
Tertiary--Pliocene
Ogallala Formation
Sand and gravel, coarse 6 19
Silt, light tan, sandy; contains cemented sand layers 11 30
Silt, sandy, light gray to white 7 37
Sand, fine to coarse 1 38
Sand, coarse, silty, pink 9 47
Silt, sandy, tan to gray 2 49
Sand, fine to coarse, silty 17 66
Silt, pink and white; contains thin beds of coarse sand and gravel 8 74
Sand, fine to coarse, clean; contains some gravel 11 85
Silt, white; contains thin beds of sand and gravel 15 100
Silt, white 6 106
Sand, fine; cemented layer at about 109 feet 9 115
Silt, sandy, gray green 2 117
Sand, gray 7 124
Silt, gray green 2 126
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, dark gray 4 130

11-29-34cc--Sample log of test hole in SW cor. sec. 34, T. 11 S., R. 29 W., 120 feet east of intersection and 15 feet north of center line of road. Drilled by State Geological Survey September 10, 1957. Surface altitude, 2,828.6 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, light tan to brown 19 19
Tertiary--Pliocene
Ogallala Formation
Silt, white; contains thin beds of sand and gravel 14 33
Silt, light tan to pink 2 35
Silt, white, sandy 3 38
Sand; contains some pink silt in top part 17 55
Sand, coarse, silty, pink 11 66
Sand, medium to coarse 14 80
Sand, cemented 5 85
Silt, pink to white; contains layers of cemented sand 20 105
Silt, white, sandy 3 108
Sand, medium to coarse 8 116
Sand, cemented 3 119
Sand and gravel, clean 1 120
Sand, cemented 6 126
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, white to yellow 19 145
Shale, black 5 150

11-30-1aa--Sample log of test hole in NE cor. sec. 1, T. 11 S., R. 30 W., 200 feet south of road intersection and 15 feet west of center line of road. Drilled by State Geological Survey May 24, 1952. Surface altitude, 2,889.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Soil, silty and clayey, dark gray 1 1
Silt, clayey to fine sandy, gray green 10 11
Clay, silty to fine sandy, tan 13 24
Tertiary--Pliocene
Ogallala Formation
Clay, silty, tan brown grading to tan white 4 28
Sand, coarse, and fine to coarse gravel, cemented with limy silt; clayey in lower part 4 32
Sand, gravel, and pebbles, clayey at 46 feet 16 48
Sand, fine to coarse, and fine gravel; contains embedded clay 3 51
Clay, very sandy, red brown; contains some gravel at 55 and 58 feet 24 75
Sand, medium to coarse, and fine to coarse gravel, clayey in part 23 98
Clay, compact to sandy, gray brown and red brown 5 103
Clay, tan brown; contains some light-gray limy silt 5 108
Sand and gravel, fine to coarse 5 113
Clay, sandy, gray brown 8 121
Sand, fine to coarse 17 138
Clay, gray brown; contains red-brown sand 18 156
Clay, silty, limy, white to tan white 7 163
Cretaceous--Gulfian
Pierre Shale
Shale, bentonitic, noncalcareous, mottled yellow brown and yellow gray 14 177
Niobrara Chalk--Smoky Hill Chalk member
Shale, clayey, calcareous, dark gray 33 210

11-30-12dd--Sample log of test hole in SE cor. sec. 12, T. 11 S., R. 30 W., 70 feet west of sec. cor. in middle of east-west road. Drilled by State Geological Survey September 16, 1957. Surface altitude, 2,892.2 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, tan to brown; contains some caliche 10 10
Silt, sandy, reddish brown; contains some caliche 12 22
Tertiary--Pliocene
Ogallala Formation
Silt, white; contains some caliche 10 32
Silt, sandy, limy, light gray 3 35
Sand, silty 13 48
Silt, sandy, limy, pink to white 19 67
Sand and gravel 4 71
Sand and gravel, silty 2 73
Sand and gravel 5 78
Silt, pink to white; contains some gravel 9 87
Sand, medium to coarse 2 89
Silt, sandy, pink; contains some gravel 2 91
Sand and gravel 4 95
Silt, sandy, limy, gray to pink 6 101
Sand and gravel 15 116
Silt, gray; contains some sand and gravel 11 127
Sand and gravel 6 133
Silt, white; contains hard limy layers 8 141
Cretaceous--Gulfian
Pierre Shale
Shale, very tight, yellow 9 150

11-30-16db--Drillers log of well in NW SE sec. 16, T. 11 S., R. 30 W. Drilled by H. W. Coberly August 1956. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Clay, yellow 10 10
Tertiary--Pliocene
Ogallala Formation
Sand 5 15
Clay, white 12 27
Gravel 18 45
Clay, red, sandy 19 64
Gravel; contains clay layers 21 85
Gravel 15 100
Clay, tight, yellow 2 102
Sand, clayey 3 105
Sand and gravel 5 110
Sand, clayey 13 123

11-30-25cc--Drillers log of irrigation well in SW SW sec. 25, T. 11 S., R. 30 W. Drilled by Struckhoff Bros. September 25, 1956. Depth to water, 104.02 feet. Thickness,
feet
Depth,
feet
Quaternary and Tertiary undifferentiated
Top 75 75
Tertiary--Pliocene
Ogallala Formation
Gravel 7 82
Clay 4 86
Gravel 26 112
Clay; contains some gravel 11 123
Sand; contains cemented layers 2 125
Gravel 3 128
Sand and gravel 7 135
Clay, sandy; contains layers of fine sand 4 139
Clay 3 142
Gravel 18 160
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, yellow, weathered 1 161

11-30-27c--Drillers log of test hole in SW sec. 27, T. 11 S., R. 30 W. Drilled by Struckhoff Bros. Thickness,
feet
Depth,
feet
Quaternary and Tertiary undifferentiated
Top 100 100
Tertiary--Pliocene
Ogallala Formation
Sand, cemented; contains clay layers 5 105
Gravel 3 108
Clay 22 130
Gravel 7 137
Clay 1 138
Sand, cemented; contains some gravel 2 140
Sand, cemented 2 142
Clay 4 146
Gravel 16 162
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale, weathered, yellow 3 165
Shale 1 166

11-30-27dc1--Drillers log of irrigation well in SW SE sec. 27, T. 11 S., R. 30 W. Drilled by Struckhoff Bros. Surface altitude, 2,906.0 feet; depth to water, 100.40 feet. Thickness,
feet
Depth,
feet
Quaternary and Tertiary undifferentiated
Top 95 95
Tertiary--Pliocene
Ogallala Formation
Clay 8 103
Gravel 2 105
Clay 5 110
Sand, cemented 1 111
Sand, cemented; contains clay layers 19 130
Sand, clayey 7 137
Sand,fine 3 140
Gravel 13 153
Cretaceous--Gulfian
Niobrara Chalk--Smoky Hill Chalk member
Shale 3 156

11-30-34cc--Sample log of test hole in SW cor. sec. 34, T. 11 S., R. 30 W., 100 feet north of sec. cor. and 5 feet east of center line of road. Drilled by State Geological Survey September 11, 1957. Surface altitude, 2,870.6 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Peoria and Loveland Formations
Silt, reddish tan; contains some caliche 11 11
Tertiary--Pliocene
Ogallala Formation
Sand, medium to coarse; contains caliche 14 25
Sand, silty; contains cemented layers 4 29
Sand; contains some tan silt in middle part 18 47
Sand and gravel, coarse; contains cemented layers 5 52
Sand, silty, pink to white 24 76
Silt, sandy, limy, white 11 87
Sand, coarse; contains some white and green silt 4 91
Sand; contains cemented layers 6 97
Sand, coarse; contains sandy silt layers 7 104
Cretaceous--Gulfian
Pierre Shale
Shale, clayey, yellow 4 108
Shale, black 2 110

11-31-36dd--Sample log of test hole in SE cor. sec. 36, T. 11 S., R. 31 W., 60 feet north of road intersection and 8 feet west of center line of road. Drilled by State Geological Survey September 16, 1952. Surface altitude, 2,846.2 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene
Alluvium
Clay, silty, dark brown 1 1
Silt, clayey, tan gray 5 6
Tertiary--Pliocene
Ogallala Formation
Sand, fine to coarse; contains some gravel and pebbles 10 16
Sand, gravel, and pebbles 11 27
Sand and gravel, fine to coarse, well cemented with limy silt; contains some pebbles 1.5 28.5
Sand, gravel, and pebbles; contains weathered chalk fragments 2 30.5
Cretaceous--Gulfian
Pierre Shale
Shale, bentonitic, noncalcareous, yellow, gray, and white 5.5 36

T. 10 S. || T. 11 S. || T. 12 S. || T. 13 S. || T. 14 S. || T. 15 S.


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Kansas Geological Survey, Geology
Placed on web Sept. 30, 2008; originally published June 1960.
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