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Geology

  Grant, Haskell, and Stevens County Geohydrology

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Abstract

Introduction

Geography

General Geology

Ground Water

Geologic Formations

Well Records

Well Logs

References

Plates

 

Well logs

Listed in the following pages are the logs of 60 wells and test holes in Grant, Haskell, and Stevens Counties, including 46 test holes drilled by the State and Federal Geological Surveys (1-46), 13 water wells (47-59), and one gas-test well (60). The locations of the test holes are shown on Plate 3 and most of the water wells are shown on Plate 2. Test holes 1, 2, 3, 4, 5, 23, 35, and 38 were drilled as a part of the investigation of the geology and groundwater resources of adjacent counties.

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

16. Log of test hole 16 at the SW corner sec. 35, T. 28 S., R. 36 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 3,052 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, fine ,sandy, gray black33
Undifferentiated Pliocene and Pleistocene deposits
Silt, soft, gray brown58
Silt, compact, blocky, gray green210
Silt, soft, yellow brown1727
Silt, coarse sandy, soft, red brown431
Silt, coarse sandy, soft, red brown, containing coarse gravel and nodules of caliche1243
Gravel, very coarse to fine, containing clayey gray-brown silt1760
Gravel, fine to coarse, and sand, coarse to medium2181
Clay, compact, light tan19100
Silt, sandy, soft, light tan24124
Sand, coarse to medium7131
Silt, clayey, compact, blocky, tan and buff to gray68199
Silt, clayey, soft, gray11210
Silt, compact, blocky, gray to brown, containing a little sand30240
Clay, compact, gray to gray green40280
Silt, fine sandy, light brown20300
Silt, clayey to sandy, compact, white to light brown, containing sand and gravel40340
Gravel, medium to fine, and sand, coarse to fine5345
Silt and clay; sandy; soft; light gray to white; containing sand and gravel15360
Gravel, fine, and sand, fine to coarse; containing caliche16376
Clay, laminated, hard, gray green4380
Sand, medium to fine, containing compact gray silt20400
Dakota formation
Sandstone, soft, and clay; varicolored; containing ironstone20420

17. Log of test hole 17 at the SW corner sec. 34, T. 28 S., R. 37 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 2,996 feet. (Authority, samples studied by James B. Cooper and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, brown to black2.52.5
Undifferentiated Pliocene and Pleistocene deposits
Gravel, fine to medium,containing silt and fine sand5.58
Silt, compact, light tanto gray, containing fine sand and clay210
Sand, fine to medium, tan212
Silt, compact, light tan and buff, containing fine sand and clay1830
Sand, fine to coarse, red brown, containing buff silt333
Silt, sandy, compact, containing buff clay740
Silt, sandy, buff, and sand, fine to coarse; containing fine to coarse gravel1959
Sand, fine to coarse, containing fine gravel and buff silt41100
Silt, light gray, and sand, fine to coarse, brown10110
Sand, fine to coarse, brown6116
Silt, sandy, compact, gray to tan44160
Silt, clayey, compact, tan, containing sand45205
Gravel and sand; fine to coarse; containing silt and caliche28233
Silt, sandy, compact, gray and yellow tan; contains sand, fine to coarse gravel, and caliche7240
Gravel, fine to coarse, and sand, fine; contains soft red-tan silt10250
Silt, sandy, light gray to tan, containing caliche40290
Silt, clayey, compact, gray green and dark tan, containing caliche11301
Gravel, fine to medium, containing fine sand, silt, and caliche18319
Dakota formation
Sandstone, fine-grained, rusty brown to yellow, containing ironstone and varicolored clay11330

18. Log of test hole 18 at the SE corner sec. 36, T. 29 S., R. 31 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 2,823 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, gray--
Undifferentiated Pliocene and Pleistocene deposits
Silt, soft, tan, containing nodules of caliche36
Silt, blocky, brown, containing coarse gravel410
Silt, clayey, compact, white to buff, containing fine sand and nodules of caliche1121
Sand, coarse to fine, containing silt, soft, buff425
Silt, soft, buff to reddish tan, containing sand, gravel, and nodules of caliche3358
Gravel, medium to fine, and sand, coarse to medium1371
Silt, compact, white and gray buff, containing fine to medium sand, coarse gravel, and caliche1182
Silt, clayey, compact, gray green and tan, containing sand and caliche890
Silt, compact, yellow tan, containing fine gravel and fine to coarse sand898
Gravel and sand; fine to very coarse; containing a little soft buff and yellow-gray silt129227
Silt, soft, buff and gray, containing caliche and very fine to medium sand13240
Clay and silt; soft; light gray to blue gray and buff100340
Silt, soft, gray, containing fine to coarse sand and medium to fine gravel13353
Silt, compact, gray buff; contains fine gravel, fine to coarse sand, and caliche5358
Gravel, fine to medium, and sand, fine to coarse22380
Gravel, medium to fine, and sand, coarse to fine; containing soft buff silt and caliche16396
Silt, compact, buff, containing fine to coarse sand and fine gravel4400
Gravel, fine, and sand, coarse to fine; containing caliche and soft gray silt12412
Caliche, sandy, white, and silt, compact, white; containing fine to coarse sand6418
Dakota formation
Clay, silty, soft, yellow2420
Sandstone, fine-grained, hard, yellow brown, and clay, soft, gray brown10430
Clay, varicolored, and sandstone, very fine-grained, yellow to red brown; containing ironstone10440
Clay, silty, yellow gray, containing fine-grained to very fine-grained brown sandstone and ironstone30470
Clay, yellow gray, containing brown siltstone9479
Sandstone, very fine-grained, very hard to soft, dark gray; containing soft clay11490
Kiowa shale
Shale, soft, dark gray, containing very fine sand, in part consolidated20510
Shale, sandy, very hard, dark gray, and clay, soft, gray black to black10520
Shale, soft, thinly laminated, gray and black, containing pyrite24544
Shale, soft, light gray, containing fine-grained gray-white and white sandstone31575
Permian redbeds
Siltstone, soft, clayey, dull red to light gray25600

19. Log of test hole 19 at the SE corner sec. 36, T. 29 S., R. 33 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 2,935 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, silty, gray brown22
Undifferentiated Pliocene and Pleistocene deposits
Silt, soft, yellow gray, containing fine to coarse sand46
Silt, soft, tan, containing nodules of caliche28
Silt, soft, buff, containing fine to medium sand and nodules of caliche1927
Silt, clayey, compact, tan330
Silt, soft to compact, tan and white, containing fine to coarse sand and caliche3060
Sand, coarse to fine, and silt, soft, gray and buff; containing caliche and fine gravel2080
Silt, soft, gray buff, containing fine to coarse sand and nodules of caliche282
Sand and gravel; fine to coarse; contains caliche and soft gray and gray-buff silt40122
Silt, soft, buff, containing fine to medium gravel and fine to coarse sand4 126
Gravel, coarse to fine, and sand, coarse to medium; containing soft buff and white silt21147
Silt, compact, buff and tan, contains fine to coarse sand, fine to medium gravel, and caliche27174
Gravel, medium to fine, and sand, coarse to fine, containing soft buff and white silt and caliche24198
Silt, clayey, soft, white to light blue and buff, containing caliche and coarse to medium sand11209
Gravel, coarse to fine, and sand, coarse to medium126335
Silt, clayey, soft, blue gray to white and buff, containing caliche25360
Clay, silty, compact, blue gray, containing caliche10370
Silt, clayey, soft, laminated, blue gray53423
Gravel, fine, and sand, coarse to fine; containing caliche17440
Gravel, fine, and sand, coarse to fine; containing soft buff silt and caliche21461 Dakota formation
Sandstone, very fine-grained, containing soft yellow to brown clay19480

20. Log of test hole 20 at the NE corner sec. 1, T. 29 S., R. 35 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 3,013 feet. (Authority, samples studied by James B. Cooper and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, dark brown11
Undifferentiated Pliocene and Pleistocene deposits
Silt, sandy, compact, buff to dark brown, containing fine to coarse gravel and blue-gray clay910
Silt, fine sandy, soft, light brown to buff, containing fine to coarse gravel and caliche212
Silt, sandy, soft, brown to buff and white, containing fine to coarse gravel and caliche3143
Sand, fine to coarse, and gravel, fine; contains sandy brown silt and nodules of caliche750
Sand and gravel; coarse to fine88138
Silt, sandy, compact, buff to gray and white22160
Clay, compact, blocky, yellow buff and gray110270
Gravel, fine to coarse, and sand, medium to coarse100370
Sand, fine to coarse, and gravel, fine; containing silt5375
Silt, sandy, compact, white to dark gray, containing compact tan clay5380
Gravel, fine, and sand, fine to coarse40420
Dakota formation
Clay and silt; varicolored; containing fragments of sandstone and ironstone31451
Silt, compact, dark brown9460
Clay, soft, yellow to white and gray, containing hard yellow-brown siltstone and fine-grained hard yellow-brown sandstone40500
Clay, fine sandy, hard, gray, containing yellow-brown silt-stone10510
Kiowa shale
Shale, clayey, dark gray to black, containing sandy gray shale112622
Shale, clayey, soft, gray21643
Cheyenne sandstone
Sandstone, very fine-grained, soft, in part cemented, white to gray46689
Permian redbeds
Siltstone, clayey, soft, brick red11700

21. Log of test hole 21 at the SW corner sec. 35, T. 29 S., R. 36 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 2,933 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, fine sandy, gray brown11
Undifferentiated Pliocene and Pleistocene deposits
Silt, tan, containing nodules of caliche45
Silt, soft, dark gray27
Silt, compact, blocky, grayish green to greenish brown310
Sand, fine to coarse, brown1727
Gravel and sandstone; brown; containing brown and light-buff silt and caliche1340
Sand, coarse to fine, dark brown343
Silt, compact, buff, containing caliche346
Clay, compact, buff to white and pink, containing silt and a little sand3480
Volcanic ash, brittle, partly indurated, white to gray and pink brown787
Clay, compact, gray green and brown491
Clay, silty to fine sandy, gray to dark buff, containing caliche21112
Sand, silt, and clay; compact; gray and tan8120
Silt, sandy, pink, and clay, silty, gray green10130
Clay, silty to fine sandy, buff; contains clay, fine gravel, and caliche28158
Sand, silt, and clay, compact, tan and gray to brown12170
Silt, coarse sandy, soft, buff and gray, containing hard blocky gray-green clay20190
Silt, compact, tan, and sand, medium to fine, brown10200
Sand, coarse to fine, brown, and silt, compact, tan to white,20220
Gravel, coarse to fine, and silt, fine sandy to clayey, buff and white; containing caliche20240
Silt, clayey, buff to gray and green gray; contains sand, gravel, and caliche10250
Caliche, and silt, sandy, gray to buff; containing sand and gravel10260
Sand, medium, and silt, light buff to tan and gray green; containing caliche30290
Silt, sandy, soft, light buff to gray green and tan, containing caliche10300
Clay, compact, blocky, green brown11311
Sand, medium to fine, in part cemented15326
Clay, compact, blocky, dark tan24350
Silt, tan, containing fine gravel and fine to coarse sand10360
Sand, coarse to medium, gray brown, containing light-tan silt61421
Dakota formation
Sandstone, fine-grained, varicolored, containing ironstone91512
Permian redbeds
Shale, silty, brick red8520

22. Log of test hole 22 at the NW corner sec. 33, T. 29 S., R. 38 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 3,115 feet. (Authority, samples studied by James B. Cooper and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, brown, containing fine gravel22
Undifferentiated Pliocene and Pleistocene deposits
Silt, sandy, light gray to light brown, containing coarse sand1113
Silt, sandy to clayey, compact, light gray to tan1326
Sand, medium to coarse; contains coarse gravel, yellow and light-gray sandy silt, and compact clay1440
Silt, sandy, soft, white and yellow brown343
Gravel, medium to coarse, and sand, fine to coarse548
Silt, clayey, compact, tan1260
Silt, sandy, tan and light gray, containing coarse gravel and caliche868
Gravel, medium to coarse, containing silt and fine to coarse sand1785
Silt, sandy, compact, tan15100
Silt, clayey, compact, gray and tan to red tan, containing sand and caliche52152
Gravel, fine to medium, and sand, fine to coarse; containing silt22174
Silt, sandy, soft to fairly compact, gray and white to red tan, containing sand and gravel76250
Gravel and sand; fine to coarse; containing gray to brown silt and caliche92342
Silt, sandy, compact, gray, and gravel, fine to medium; containing fine sand and caliche30372
Sand, fine to coarse, and gravel, fine to medium; containing tan silt8380
Silt, sandy, compact, tan gray, containing fine to medium gravel and coarse sand30410
Silt, fine sandy, compact, gray and yellow13423
Gravel, medium to very coarse, containing water-worn pebbles of ironstone and sandstone5428
Dakota formation
Sandstone, fine-grained, very hard, varicolored, containing red and yellow clay and fragments of ironstone22450

23. Log of test hole 23 at the NW corner sec. 6, T. 31 S., R. 30 W., Meade County, drilled by State and Federal Geological Surveys, 1940. Surface altitude, 2,795 +/- feet. (Authority, samples studied by Perry M. McNally and John C. Frye.) Thickness (feet)Depth (feet)
Soil, brown11
Undifferentiated Pliocene and Pleistocene deposits
Silt and sand; fine, gray tan78
Sand, fine to medium, brown412
Sand, fine, and silt; containing gray-tan caliche7991
Sand and silt; brown; cemented caliche697
Sand and gravel; brown11108
Silt, fine sand, and caliche2110
Sand and gravel; brown and tan232342
Sand, fine, silt, and caliche; gray18360
Silt, fine sand, and caliche; gray31391
Sand, gray21412
Sand, fine, silt, and caliche; pink tan8420
Sand, brown11431
Sand and silt; cemented with caliche19450
Silt, fine sand, and caliche; tan20470
Sand, fine, silt, and caliche; gray; contains remains of plants20490
Silt, caliche, and fine sand; tan and gray23513
Caliche, silt, and fine sand; yellow; contains thin beds of sandstone and beds of pink-red clay17530

24. Log of test hole 24 at the SW corner sec. 31, T. 30 S., R. 32 W., drilled by State and Federal Geological Surveys, 1943. Surface altitude, 2,897 feet. (Authority, samples studied by James B. Cooper, Oscar S. Fent, and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Undifferentiated Pliocene and Pleistocene deposits
Silt, clayey to sandy, dark brown to red brown, containing caliche88
Silt, soft, white and gray, containing fine to medium sand917
Silt, sandy, compact, dark tan and gray, containing fine gravel421
Silt, soft, brown, containing fine to medium sand223
Silt, compact, white and gray, containing caliche427
Silt, gray to light tan and brown, containing fine to medium sand and caliche1037
Sand, red brown, containing fine to coarse gravel and silt1148
Silt, red brown and gray, containing caliche and very fine sand351
Sand, red brown, containing fine gravel and silt556
Silt, soft, red brown, containing fine to medium sand460
Sand and gravel; coarse to fine2888
Silt, compact, gray, containing coarse gravel and caliche896
Sand, yellow brown, containing fine to coarse gravel4100
Gravel, fine to coarse, containing silt10110
Sand, coarse to fine, containing fine to medium gravel13123
Sand, coarse to fine, containing fine to medium gravel and silt117240
Gravel, fine to coarse, and sand, coarse to medium; containing soft light-gray silt6246
Silt, soft, light gray, containing coarse to medium sand2248
Gravel, medium to fine, and sand, coarse to medium9257
Silt, soft, yellow gray, containing coarse to fine sand3260
Gravel, fine to coarse, and sand, coarse to medium; containing soft gray and tan silt13273
Silt, clayey, soft, yellow brown and light gray, containing medium to fine sand7280
Sand and gravel; coarse to fine; containing a little silt and caliche113393
Silt, soft, white and gray to buff and brown, containing fine to coarse sand and gravel and nodules of caliche47440
Clay, blocky, tan, containing caliche10450
Silt, soft, white, and gravel, fine; containing fine to coarse sand and tan blocky clay10460
Sand, coarse to medium, consolidated, containing soft light-gray silt11471
Silt, soft, blue gray to gray buff and yellow buff, containing fine to coarse sand24495
Dakota formation
Clay, silty, soft, yellow, and sand, very fine; containing fine-grained yellow and brown sandstone5500
No sample recovered10510

25. Log of test hole 25 at the SE corner sec. 36, T. 30 S., R. 32 W., drilled by State and Federal Geological Surveys, 1943. Surface altitude, 2,837 feet. (Authority, samples studied by James B. Cooper, Oscar S. Fent, and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, gray black1.51.5
Undifferentiated Pliocene and Pleistocene deposits
Silt, micaceous, soft, yellow gray3.55
Silt, micaceous, soft, red brown, containing fine sand and caliche510
Silt, compact, buff and tan; contains fine to coarse sand, caliche, and fine gravel3949
Sand, medium to fine, containing soft tan silt and caliche655
Clay, compact, light buff, containing fine sand964
Silt, compact, red tan; contains fine to coarse sand, fine gravel, and caliche1882
Sand and gravel; coarse to fine; containing soft gray to tan and yellow-brown silt and caliche50132
Silt, soft, yellow brown3135
Gravel, fine to coarse, and sand; medium to coarse5140
Silt, clayey, soft, yellow buff, containing coarse to fine sand and caliche14154
Sand and gravel; coarse to fine; containing soft buff and yellow-gray silt63217
Silt, soft, gray, containing medium to fine sand9226 Sand, coarse to fine, containing fine to medium gravel and soft gray silt24250
Clay and silt; soft; blue gray; containing fine sand23273
Sand, coarse to fine, gray, - containing medium to fine gravel5278
Clay and silt; compact; partly laminated; blue gray to gray and buff; containing fine sand67345
Sand, coarse to fine, and gravel, medium to fine; containing caliche31376
Silt soft white to pink, containing coarse to fine sand and caliche14390
Caliche and silt, soft, light brown; containing medium to fine gravel and coarse to fine sand27417
Clay, compact, tan, containing pyrite and fine to medium sand27444
Sand, fine-grained, consolidated, containing caliche26470
Silt, fine sandy, partly consolidated, cream-colored to tan, containing caliche25495
Sand, fine to medium, partly cemented, containing a little silt21516
Permian redbeds
Siltstone, brick red14530

26. Log of test hole 26 at the NW corner sec. 6, T. 30 S., R. 34 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 3,011 feet. (Authority, samples studied by James B. Cooper and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, compact, brown33
Undifferentiated Pliocene and Pleistocene deposits
Silt, sandy to fine sandy, compact, white to tan and light brown, containing fine gravel and fine to medium sand3336
Sand, fine to coarse, and gravel, fine; containing tan silt440
Sand, fine to coarse, containing fine gravel2060
Sand, coarse, containing silt1070
Silt, sandy, compact, light brown to buff and white; contains fine to medium sand, fine gravel, and caliche2090
Gravel, fine to coarse, and sand, fine to medium; containing a little tan silt27.5117.5
Silt, fine sandy, compact, light brown and yellow buff, containing caliche9.5127
Gravel, fine to coarse, and sand, medium to coarse76203
Silt, sandy to fine sandy, yellow buff to brown and gray, containing a few fragments of ironstone17220
Silt, clayey, soft, gray to yellow and buff13233
Silt, sandy to clayey, gray to yellow and brown, containing coarse gravel7240
Clay, compact, blocky, gray and buff, containing soft light-brown and gray silt45285
Gravel, fine, brown, and sand, coarse; containing yellow siltstone5290
Gravel and sand; fine to coarse; containing a little rusty-brown and yellow siltstone173463
Clay, silty to fine sandy, light yellow to yellow buff and pink37500
Dakota formation
Siltstone, clayey, compact, yellow to yellow brown, containing yellow sandstone10510
Clay, compact, light gray, containing yellow to yellow-brown siltstone and buff to yellow sandstone12522
Sandstone, fine-grained, soft, white to yellow and buff, containing ironstone and a little silt86608
Permian redbeds
Siltstone, clayey, soft, brick red7615

27. Log of test hole 27 at the NW 1/4 sec. 32, T. 30 S., R. 34 W., on the west side of county road about 0.27 mile south of railroad crossing, drilled by State and Federal Geological Surveys, 1943. Surface altitude, 2,842 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Dune sand
Sand, medium to very fine, containing soft brown silt44
Undifferentiated Pliocene and Pleistocene deposits
Sand, coarse to medium, and gravel, fine to coarse; containing nodules of caliche1317
Silt, soft, buff219
Sand, coarse to fine, containing nodules of caliche726
Silt, soft, gray to black, containing fine to coarse sand and fine gravel1137
Sand, coarse, and gravel, fine to coarse2360
Silt, micaceous, soft, gray, containing fine sand and caliche363
Gravel, fine to coarse, and sand, coarse3598
Silt, soft, buff, containing sand, coarse to medium0.598.5
Gravel, coarse to fine, and sand, medium to coarse; containing a little caliche and silt161.5260
Silt, soft, buff, containing fine to coarse sand and gravel and a little caliche12272
Gravel, medium to fine, and sand, coarse to medium8280
Gravel, medium to fine, and silt, soft, buff; containing coarse to fine sand7287
Silt, soft, buff, containing fine to coarse sand and fine gravel16303
Sand, coarse to medium, and silt, soft, buff; containing fine to medium gravel and caliche23326
Dakota formation
Sandstone, fine-grained to very fine-grained, yellow to brown, containing ironstone, silt, and yellow to buff clay14340
Silt, clayey, soft, white to light yellow, containing very fine-grained yellow to red-brown sandstone10350

28. Log of test hole 28 at the NW corner sec. 35, T. 29 S., R. 36 W., drilled by State and -Federal Geological Surveys, 1942. Surface altitude, 2,897 feet. (Authority, samples studied by James B. Cooper and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Road fill55
Alluvium
Silt, fine sandy to clayey, compact, dark buff38
Sand, coarse to fine, and gravel, fine311
Silt, fine sandy, dark gray to black314
Silt, clayey, brownish gray519
Sand, fine to coarse, and clay, sandy, grayish brown; containing fine gravel and caliche3150
Gravel, coarse to fine, brown, containing clay and nodules of caliche454
Clay, compact, gray to yellow buff and tan, containing fine sand1670

29. Log of test hole 29 at the SE corner sec. 35, T. 30 S., R. 36 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 2,954 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, gray brown1.51.5
Undifferentiated Pliocene and Pleistocene deposits
Silt, sandy, red brown, containing caliche5.57
Silt, sandy to clayey, blocky, light gray green, containing caliche310
Silt and clay; sandy; compact; gray green and brown; containing caliche1626
Clay, compact, buff pink228
Silt, red, and sand, coarse to fine; containing compact buff-pink clay230
Silt, sandy to clayey, buff to pink, containing caliche1444
Silt, compact, gray and buff, containing gravel and caliche650
Gravel, coarse to fine, slightly cemented, and silt, gray green to yellow and brown1868
Sand and gravel; coarse to fine; cemented with calcium carbonate to form "mortar beds"270
Gravel, coarse to fine, and sand; containing gray-buff to buff and tan silt and caliche2090
Clay, compact, yellow gray and tan20110
Clay and silt; tan and blue; containing a little caliche16126
Silt, compact, gray brown and tan green to blue, containing caliche34160
Gravel, coarse to fine, and sand, coarse to medium; containing clayey silt30190
Silt, sandy, gray and brown, and gravel, coarse to fine; containing coarse to fine sand10200
Gravel, coarse to fine, and sand, coarse; containing silt and clay20220
Silt, clayey, compact, tan and blue, containing caliche30250
Dakota formation
Siltstone, compact varicolored containing sandstone and clay20270

30. Log of test hole 30 at the NW corner sec. 3, T. 30 S., R. 37 W., drilled by State and Federal Geological Surveys, 1942. Surface altitude, 3,074 feet. (Authority, samples studied by Oscar S. Fent and Thad G. McLaughlin.) Thickness
(feet)
Depth (feet)
Soil, sandy, black33
Undifferentiated Pliocene and Pleistocene deposits
Silt, fine sandy, gray brown, containing caliche36
Sand and silt; gray brown to tan; containing caliche1319
Sand, medium to fine, partly consolidated625
Silt, compact, tan and white, containing caliche1540
Silt, sandy, light tan to tan, containing caliche1050
Silt, clayey, compact, tan and buff, containing fine sand and caliche88138
Gravel, coarse to medium5143
Silt, sandy, and gravel13156
Gravel, medium to fine, and sand, coarse to fine; containing sandy, soft, pink and buff silt27183
Silt, sandy, soft, gray2185
Gravel, coarse to fine, and sand, coarse to medium; containing caliche13198
Silt, sandy, soft, buff to gray, containing sand and gravel12210
Silt, clayey to sandy, compact, buff15225
Sand, coarse to fine, containing coarse gravel and sandy compact buff silt25250
Gravel and sand; coarse to fine; containing a little caliche and silt60310
Silt, sandy, tan and gray, containing a little gravel10320
Gravel, coarse, and silt, sandy, tan and gray10330
Silt, sandy, tan and gray, containing a little coarse gravel20350
Sand, fine, and silt, fine sandy, white and light gray to buff; containing caliche18368
Dakota formation
Sandstone, fine-grained, yellow to brown, containing clayey gray-green and blue-gray silt22390
Clay, varicolored, and sandstone, soft, yellow to red10400
Sandstone, fine-grained, soft, yellow, containing fine sandy silt and varicolored clay10410
Silt, sand, and clay; light blue gray and brick-red; containing ironstone10420
Sandstone, fine-grained, soft, white to yellow and brown; containing varicolored clay100520
Permian redbeds
Shale, clayey, brick red10530

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

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  Kansas Geological Survey, Grant, Haskell, and Stevens Geohydrology
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Web version May 2002. Original publication date July 1946.
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