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  Scott County Geohydrology

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Table of Contents

Abstract

Introduction

Geography

Geology

Ground Water

Geologic Formations

Water Levels

Well Records

Logs of Test Holes

References

Plates

 

Logs of Test Holes and Wells

Listed in the following pages are the logs of 76 wells and test holes in Scott County, including 23 test holes drilled by the State Geological Survey (1-23) and one log of a test hole in Wichita County (log 43). The locations of the test holes drilled by the State Geological Survey are shown in Figure 2, and many of the wells are shown on Plate 2. The samples from the test holes drilled by the State Geological Survey were studied in the field by Perry McNally and later in the office by me.

Logs 1-15 || Logs 16-30 || Logs 31-45 || Logs 46-60 || Logs 61-77

1. Sample log of test hole 1, SW corner sec. 18, T. 17 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2988.5 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark33
Silt and fine sand, yellow-tan; considerably harder near base2124
Sand, medium, to fine gravel, brown4.528.5
Silt and fine sand, plastic, brown230.5
Silt and fine sand, limy, grayish-tan1.532
Silt and fine sand, plastic, tan234
Silt and fine sand, limy, grayish-tan; darker near base; contains scattered caliche pebbles1248
Clay, silty, dark-gray351
Silt and fine sand, light-gray; contains abundance of shell fragments556
Silt and fine sand, medium-gray; contains scattered Caliche pebbles, sand, gravel, and shell fragments864
Sand to fine gravel, light-brown; contains abundance of light green-gray plastic silt and fine sand intermixed468
Silt and fine sand, limy, light-gray to tan472
Clay, silty, tan274
Sand, fine, plastic, brown478
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray, and clay, fine sandy, limy; hard beds 0.5 feet thick at top and at a depth of 81 feet684
Silt and fine sand, pale-green, limy, light-gray; contains scattered sand, gravel, and caliche fragments892
Sand and gravel, brown to gray; bottom part contains abundant caliche pebbles, plastic silt, and fine sand6.598.5
Caliche, light-gray, and clay, fine sandy, limy, white5103.5
Clay, fine, sandy, limy, light-gray; contains lenses of sand and gravel7.5111
Sand, coarse, to coarse gravel, brown; contains abundant pink quartz and granite9120
Sand and gravel, semi-cemented4124
Caliche, hard, chert-like, light-gray, and fine-grained interbedded mortar bed6130
Caliche, hard, chert-like, tan5135
Sand, fine, plastic, brown; contains lenses of sand and gravel, and chert-like caliche; 1 1/2 foot caliche bed at depth of 145 feet15150
Silt and fine sand, plastic, limy, light-gray; interbedded with hard caliche22172
Mortar bed, soft, tan4176
Silt and fine sand, plastic, limy, tan6182
Sand, fine to coarse, brown, partly cemented16.5198.5
Silt and fine sand, plastic, limy, light-gray and tan3.5202
Sand, fine, to fine gravel, brown20222
Sand, medium, to coarse gravel15237
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, silty, yellow4241
Shale, gray to black4245

2. Sample log of test hole 2, SW corner sec. 15, T. 18 S., R. 31 W., drilled by State Geological Survey, 1941, Surface altitude, 2,929.7 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark, sandy33
Silt and fine sand, soft, plastic, tan-gray; contains abundant gastropod shells1114
Sand, fine, plastic, brown216
Silt and fine sand, plastic, brown; contains streaks of lime and gastropod shells218
Caliche and clay, fine-sandy, limy, light-gray becoming more tan in color at base1836
Sand, fine, plastic, brown and lime, sand, gravel, and caliche intermixed743
Sand to coarse gravel, cemented, brown6.549.5
Sand, fine, plastic, brown and sand, gravel, caliche fragments, and pebbles; thin, hard beds at depths of 49 1/2 and 51 feet10.560
Mortar bed, tan565
Silt and fine sand, plastic, limy, tan to brown570
Sand and gravel, partially cemented, brown with some sandy clay intermixed7.577.5
Caliche, hard, light-gray1.579
Mortar bed, fine-grained, light-gray to tan, and caliche786
Sand, fine, plastic, light-gray, and gravel894
Mortar bed, fine-grained, light-gray to tan10104
Mortar bed, sand to coarse gravel, gray-brown7111
Clay, limy, light-gray, sand, and gravel7.5118.5
Sand and gravel, partially cemented24.5143
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, clay, chalky, dull-yellow2145
Shale, clay, dirty-brown to black5150

3. Sample log of test hole 3, SE corner SW 1/4 sec. 17, T. 18 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,956.6 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark1.51.5
Silt, sandy, tan1.53
Soil, silty, black3.56.5
Silt, limy, light-gray to tan; contains lime-cemented nodules, snail shells, and shell fragments4.511
Silt, clay, medium-gray; contains shell fragments1728
Sand, fine, to fine gravel, brown-gray432
Sand, fine, to fine gravel and plastic silt, brown-gray638
Silt, fine sand, and limy clay, tan and gray543
Silt and clay, limy, light-gray346
Silt and fine sand, plastic, limy, light-gray; contains streaks of yellow-brown plastic sand, medium sand to fine gravel854
Gravel, brown with few thin beds of gray silt and clay660
Gravel, brown; contains abundance of water-worn caliche pebbles and some limy silt767
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray, and some tan to brown cemented sand fragments875
Caliche, hard, light-gray to white580
Pebbles and fragments of mortar bed, fine-grained, unconsolidated, brown4.584.5
Gravel, poorly sorted, brown, partly consolidated at base; contains abundance of mortar bed and caliche pebbles15.5100
Mortar bed, gray2102
Sand, fine, to coarse gravel, brown13115
Sand and gravel, partly consolidated mortar bed, brown1.5116.5
Mortar bed, fine-grained, light-pink to tan5.5122
Sand and gravel, partly consolidated brown; contains abundant caliche fragments14136
Clay, hard, blocky, chocolate-brown1.5137.5
Sand, medium, to coarse gravel, brown9.5147
Mortar bed, fine-grained, partly consolidated, tan11158
Silt, light-tan3161
Sand, coarse, to coarse gravel, glassy quartz4.5165.5
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, silty, yellow-tan and some light-gray6.5172
Shale, clay, brownish-black, becoming blue-black8180

4. Sample log of test hole 4, NE corner sec. 20, T. 18 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,960.4 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, silty, dark2.52.5
Silt and sand, limy, light-tan to light-gray; contains few caliche pebbles911.5
Caliche, gray to white, and light-tan to light-gray limy silt and sand12.524
Mortar bed, brown and tan; some partly consolidated, and white limy material near base3660
Silt and sand, limy, tan; contains some gravel, and mortar-bed fragments666
Caliche, light-gray to white and tan, and mortar bed, fine-grained1.567.5
Sand, plastic, brown, and sand, gravel, and small mortar bed pebbles8.576
Silt, plastic, brown8.584.5
Silt and sand, plastic, light-gray and green-gray7.592
Silt and sand, plastic, green-gray, and sand, gravel, and small, white caliche pebbles11.5103.5
Sand, gravel, mortar bed, partly consolidated, brown6.5110
Sand, medium, to medium gravel and mortar bed pebbles, brown5115
Silt, and sand, brown6121
Silt, sand, and fine to medium gravel, brown9130
Sand, medium, to medium gravel; contains many white caliche pebbles8138
Silt and sand, limy, light-gray2140
Sand, medium, to medium gravel, brown5145
Mortar bed, tan and light-gray to white6.5151.5
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, clay, cream-colored4.5156
Shale, clay, light-yellow; 3-inch bed of yellow-tan to green blocky shale at a depth of 156 feet4160

5. Sample log of test hole 5, NW corner sec. 20, T. 18 S., R. 32 W., drilled by State Geological Survey, 1940. Surface altitude, 2,951.4 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, limy, tan11
Silt and clay, plastic, tan15.516.5
Silt, clay, and scattered caliche, light-gray4.521
Sand, coarse, and fine gravel, brown930
Clay, silty, pale-green; contains abundant gastropod shells3.533.5
Silt and clay, tan to brown4.538
Silt, clay, brown, and some lime and loose sand947
Sand, fine, silt, and clay, tan to brown754
Sand, fine, silt, and clay, limy, light-green458
Sand, fine, silt, and clay, tan to brown260
Sand, medium, to fine gravel, tan; contains mostly quartz and some caliche pebbles1171
Clay, silty, light-gray273
Sand, fine, silt, and clay, tan to brown477
Sand and gravel, brown; contains some silt, clay, and abundant rounded, water-worn caliche pebbles1188
Sand, fine, silt, and clay, tan and light-gray; contains abundant rounded, water-worn caliche pebbles290
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray; contains few thin, softer beds898
Sand, fine, pink-brown, and plastic silt1.599.5
Caliche, light-gray, and tan cemented fine sand4.5104
Sand and gravel, brown; contains abundant caliche pebbles and pink-brown silt and fine sand14118
Mortar bed; tan3121
Mortar bed, cemented fine sand, brown2.5123.5
Sand, medium, to medium gravel12.5136
Clay, limy, light-gray, caliche, and cemented fine sand7143
Sand and gravel; contains few thin beds of caliche and mortar bed7150
Caliche, light-gray and tan7157
Sand, fine, plastic; contains pink-brown and loose fine sand to coarse sand3160
Sand, medium, to medium gravel, brown11171
Caliche, hard, light-gray and tan7178
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, yellow17.5195.5
Clay, dirty-gray-brown4.5200

6. Sample log of test hole 6, NE corner NW 1/4 sec. 21, T. 18 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,975.0 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark55
Silt and clay, tan; contains few snail shells and shell fragments1015
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray to white and tan722
Mortar bed, fine-grained, tan325
Sand, medium to coarse, cemented, green-gray and brown; contains mortar bed and caliche pebbles732
Mortar bed, brown4.536.5
Sand, medium, to fine gravel, lime cemented, gray, brown, yellow-tan6.543
Mortar bed, hard, tan; contains fine to coarse sand447
Sand, fine, to medium gravel, brown350
Sand, coarse, to medium gravel, brown757
Mortar bed, gray; contains coarse sand and fine gravel663
Silt and sand, limy, light-gray and light-tan, and caliche1.564.5
Sand, fine, to fine gravel, limy, light-gray and brown266.5
Clay, silty, blocky, hard, khaki-colored6.573
Sand, fine, to fine gravel, brown679
Silt and sand, lime-cemented, tan and gray483
Sand, fine, to medium gravel, brown; contains mortar bed fragments992
Mortar bed, tan14.5106.5
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, chalky, white to yellow2.5109

7. Sample log of test hole 7, NW corner sec. 22, T. 18 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,967.4 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark55
Silt, tan712
Tertiary--Pliocene
Ogallala formation    
Caliche, soft, light-gray to pink-tan416
Caliche, hard, light-gray to pink-tan925
Sand and gravel, partly cemented, brown530
Mortar bed, tan333
Sand, fine, to medium gravel, brown; contains abundant cement and mortar-bed fragments437
Mortar bed, brown340
Sand, coarse, to medium gravel, brown; contains abundant cement and mortar bed747
Mortar bed, brown552
Sand, coarse, to coarse gravel, brown759
Mortar bed, fine-grained, tan; contains some sand and gravel1170
Caliche, chert-like, hard, white and light-tan1484
Mortar bed, tan; contains lime cement, sand, few fragments of Niobrara formation1296
Mortar bed, tan; contains coarse sand to medium gravel, abundant fragments of Niobrara formation6102
Mortar bed, soft, tan; contains fine to coarse sand15117
Mortar bed, hard, tan; contains lime cement, fine to coarse sand6123
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, chalky, yellow and white13136
Shale, clay, silty, brown and black, soft; 3-inch coal bed at depth 139 feet4140
Shale, clay, silty, brown7147
Carlile formation--Blue Hill shale member (?)    
Shale and clay, dark-gray to dark-brown; contains fragments bright-blue shale3150

8. Sample log of test hole 8, NW corner sec. 24, T. 18 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,969.8 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, dark44
Silt and fine sand, plastic, tan; contains fragments of gastropod shells1822
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray to tan325
Caliche and clay, fine, sandy, limy, light-gray8.533.5
Sand, fine, plastic, brown235.5
Clay, limy, light-gray; contains fine sand and thin caliche beds5.541
Sand, fine, plastic, brown243
Sand, medium, to medium gravel, brown952
Mortar bed, tan759
Sand, fine, plastic, brown362
Sand, plastic, fine, and gravel, partly cemented, brown and tan, limy870
Sand, coarse, to medium gravel, brown1585
Mortar bed, fine-grained, tan287
Sand, fine, plastic, brown to tan1097
Caliche fragments, angular, hard8105
Caliche fragments, angular, hard, sand and gravel2107
Gravel, fine to coarse; contains abundant fragments of hard yellow-tan limestone5112
Sand, coarse, to fine gravel, partly cemented, brown to light-gray12124
Caliche, light-gray, and tan fine-grained mortar bed6130
Caliche, hard, light-gray5135
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, chalky, yellow and white12147
Shale, clay, dark-brown to black13160

9. Sample log of test hole 9, NE corner sec. 19, T. 18 S., R. 33 W., drilled by State Geological Survey, 1941. Surface altitude, 3,040.9 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, dark11
Silt and sand, fine, plastic, tan1112
Silt, limy, gray to tan, and fine sandy clay; contains scattered caliche pebbles1224
Tertiary--Pliocene
Ogallala formation    
Caliche, hard, light-gray to tan, and limy plastic silt and fine sand933
Caliche, unconsolidated, and brown cemented fine to medium sand740
Sand, fine to medium, partly cemented, brown, and scattered sand and gravel6.546.5
Mortar bed, gray to tan3.550
Sand and gravel, partly cemented, poorly sorted252
Mortar bed and plastic fine sand860
Mortar bed, contains some plastic fine sand1575
Mortar bed, brown and tan, and brown fine sandy clay681
Mortar bed fragments, sand, gravel and some plastic silt and fine sand990
Sand and gravel, brown; contains some sandy clay and mortar-bed fragments494
Mortar bed, brown; contains some sand, gravel, and fine sandy clay10104
Sand and gravel, partly cemented, brown; contains few yellow fragments of Niobrara formation4108
Silt and sand, fine, limy, plastic, light-gray to tan6114
Mortar bed, gray and tan; contains abundant fragments of hard yellow Niobrara formation, sand, and gravel6120
Silt and sand, fine, plastic, tan4124
Sand and gravel, brown4.5128.5
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, silty, dull-yellow5.5134
Shale, clay, dirty-gray to blue-black6140

10. Sample log of test hole 10 at the NE corner sec. 28, T. 18 S., R. 33 W., drilled by State Geological Survey, 1941. Surface altitude, 2,956.5 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, dark44
Clay, silty, gray; contains few scattered caliche pebbles48
Silt and sand, fine, plastic, light-gray-green; contains few scattered caliche pebbles614
Clay, silty, dark-gray to black519
Sand and gravel, brown; contains some plastic silt and fine sand322
Silt and fine sand, plastic, medium-gray; contains scattered water-worn caliche pebbles and fragments of gastropod shells; from 40-48 feet contains thin lenses of small brown fragments of water-worn caliche3153
Sand and gravel, poorly-sorted, brown; contains abundance of water-worn caliche pebbles; predominantly fairly coarse1366
Silt and fine sand, limy, plastic; contains water-worn caliche672
Sand, fine, plastic, brown; contains fragments of gastropod shell in upper 4 feet779
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray, and limy plastic silt and fine sand; drilled fairly hard281
Sand, medium, to medium gravel, brown; contains abundance of caliche and lime fragments; thin lenses of tan fine-grained mortar bed at 91 and 93 feet1697
Mortar bed, tan to gray4101
Sand and gravel, brown; contains some fragments of mortar-bed material6107
Silt and fine sand, limy, plastic, light-gray to tan; contains a few thin hard lenses of mortar bed4111
Mortar bed; contains thin beds of plastic limy silt and fine sand5116
Sand and gravel, brown; contains limy plastic silt and fine sand and an abundance of caliche10126
Mortar bed, hard from 126 to 127.5, from 128.5 to 129.5, and from 132 to 133.5 feet; interbedded with softer material8134
Sand, brown, to fine gravel; contains a few thin lenses of mortar bed from 134 to 136 feet, and a thin bed at 139 feet10144
Mortar bed, tan; contains some sand and gravel intermixed8152
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, silty, creamy-tan; thin bed of dark-gray clay shale at 154 feet; gradually becoming more yellow with depth20172
Shale, clay, dirty-gray to blue-black8180

11. Sample log of test hole 11 at the NW corner sec. 2, T. 18 S., R. 34 W., drilled by State Geological Survey, 1940. Surface altitude, 3,128.8 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, dark-brown11
Silt and fine sand, limy, light-tan34
Silt and fine sand, tan to brown; contains abundant gastropod shells1317
Silt and fine sand, limy, light-gray to brown; plastic and sticky825
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray; hard from 25 to 27 feet1237
Sand, medium to coarse, brown; partly cemented441
Sand, medium, to medium gravel, brown; partly cemented; contains abundance of black carbonaceous fragments748
Mortar bed, hard, gray553
Sand to medium gravel, poorly sorted, brown to gray; thin semi-cemented beds at 56 and 58 feet760
Sand, coarse, to medium gravel, brown; contains thin semi-cemented beds; coarser from 70-98 feet3898
Sand, fine, limy, plastic, soft, light-gray to tan3101
Sand and gravel, semi-consolidated; fairly hard caliche bed at 108 feet; gray, semi-cemented mortar bed from 116 to 120 feet23124
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Clay, yellowish-gray; contains some white bentonite3127
Shale and clay, soft and sticky, dull-brown to black8135

12. Sample log of test hole 12 at the SE corner sec. 7, T. 19 S., R. 31 W., drilled by State Geological Survey, 1940. Surface altitude, 2,958.8 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, dark-brown33
Silt and fine sand, tan; contains a few gastropod shells1114
Tertiary--Pliocene
Ogallala formation    
Clay, limy, light-gray, caliche and fine to medium sand; predominantly hard caliche with some harder thin beds620
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, clay, yellow; white chalky bed from 28 to 29 feet, harder1030

13. Sample log of test hole 13 at the NW corner sec. 7, T. 19 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 2,937.4 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, brown22
Clay, silty and fine sandy, dark-brown; contains scattered sand and gravel from 10 to 21 feet1921
Clay, silty, sticky, tan526
Clay, silty, black228
Clay, silty and fine sandy, limy, light-gray230
Clay, limy, tan and some light-gray; abundance of dull-yellow iron-stain streaks; more lime from 30 to 32 feet; contains gastropod shells1242
Sand, medium, to medium gravel, brown; contains some sandy clay648
Clay, fine sandy, soft, tan to yellow-green654
Silt, very soft, tan and medium-gray; contains a few water-worn caliche pebbles862
Clay, limy, fine sandy, and caliche; contains an abundance of sand and gravel intermixed, chiefly from 67 to 70 feet971
Sand and gravel, gray and brown; contains many small caliche pebbles, dirty gravel, and has some sandy clay intermixed; includes an abundance of light-green-gray plastic silt intermixed from 80 to 84 feet1384
Silt, plastic, light-green-gray; contains some sand and gravel intermixed1498
Silt and clay, limy, light-gray, fine, sandy; contains some caliche pebbles and fragments3101
Silt, tan, fine, sandy; contains scattered sand and gravel and water-worn caliche pebbles11112
Silt and fine sand, plastic, grayish-tan; contains sand and gravel and water-worn caliche pebbles18130
Clay, silty, soft, very sticky, light-gray27157
Silt, plastic, tan, and fine sand; contains alternating beds of tan and light-gray plastic silt and fine sand13170
Clay, silty, sticky, soft8178
Shale, clay, dirty-brown to black; contains some gastropod fragments12190

14. Sample log of test hole 14 at the SE corner sec. 26, T. 19 S., R. 32 W., drilled by State Geological Survey, 1940. Surface altitude, 3,011.0 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, sandy, dark-brown55
Sand, medium to coarse, tan; contains some lime and a thin mortar bed at 7 feet; contains some gastropods in lower part1116
Silt and fine sand, soft, tan; contains gastropods521
Tertiary--Pliocene
Ogallala formation    
Caliche, light-gray and tan, mortar bed; contains lime with plastic silt and fine sand intermixed1435
Caliche, light-gray to white; contains a few hard yellow fragments near base843
Cretaceous (Upper)
Niobrara formation--Smoky Hill chalk member    
Shale, clay, chalky, yellow; contains hard lenses of white chalk from 50 to 61 feet1861
Shale, clay, soft, sticky, reddish-yellow1172
Shale, clay, chalky, yellow; thin white chalk beds at 74, 79, 83, and 86 feet38110

15. Sample log of test hole 15 at the SE corner SW 1/4 sec. 28, T. 19 S., R. 32 W., drilled by State Geological Survey, 1941. Surface altitude, 3,009.7 feet. Thickness
(feet)
Depth
(feet)
Quaternary--Pleistocene
Soil, silty, brown22
Clay, silty, tan; contains some gastropods1012
Silt and fine sand, plastic, tan1426
Medium sand to medium gravel, brown; mostly coarse sand and fine gravel; contains some gastropods531
Silt and fine sand, plastic, tan; lower half contains few lime splotches; contains few caliche pebbles1849
Tertiary--Pliocene
Ogallala formation    
Silt and sand, limy, light-gray to light-tan958
Clay and silt, limy, sandy, light-gray260
Silt and sand, limy, tan to light-gray; lower two-thirds contains much sand and gravel intermixed, and scattered caliche pebbles3090
Silt, sandy, tan, light-grayish; contains many limy fragments and caliche intermixed696
Cretaceous (Upper)
Niobrara formation    
Clay shale, yellow, some white chalky streaks; contains 3-foot layer of chalk at 98 feet and 1-foot layer at 118 feet23119
Shale, chalky, yellow and bright-orange-yellow; contains some red-brown concretionary material in lower half of layer; hard layer at 134 feet34153
Clay shale, dark-brown to slightly black3156
Clay shale, blue-black4160

Logs 1-15 || Logs 16-30 || Logs 31-45 || Logs 46-60 || Logs 61-77

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  Kansas Geological Survey, Scott County Geohydrology
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Web version March 2003. Original publication date July 1947.
URL=http://www.kgs.ku.edu/General/Geology/Scott/09_logs.html