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Table of Contents
Introduction
Geography
Geology
Ground Water
Utilization
Quality of Water
Geologic Formations
Well Records
Logs of Test Holes
References
Plates

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Logs of Test Holes and Wells

On the following pages are listed the logs of 59 wells and test holes in Finney and Gray counties, one test hole (1) in Scott County, one test hole (12) in Kearny County, and two test holes (28 and 29) in Ford County. Logs 1 to 29 are of test holes drilled by the State and Federal Geological Surveys (fig. 7). Logs 30 to 60 include logs of test holes drilled by other agencies and well drillers, logs of water wells (pls. 3 and 4), and partial logs of oil tests.

Lithologic terms used in the driller's logs have been retained. The term "gyp" has been used by many drillers to describe the harder lime-cemented beds in the Ogallala formation and undifferentiated Pleistocene beds. "Quicksand" and "pack sand" have been used by some drillers to describe loose fine sand, and "sand rock" has been used to describe sandstone. Many of the softer unconsolidated beds of the Ogallala formation and Pleistocene deposits have been logged as clay, but in those wells from which cuttings are available for study most of the so-called clay was found to be silt.

Because of lack of detail in the driller's logs of oil tests, no attempt was made to correlate these logs (58-60).

Wells 1-12 || Wells 13-24 || Wells 25-36 || Wells 37-48 || Wells 49-60

13. Log of test hole 13 in the SE SW sec. 13, T. 25 S., R. 31 W., Finney County, drilled by State and Federal Geological Surveys, 1941. Surface altitude 2,744.2 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
Alluvium
		Sand, tan to brown	1	1
		Sand, medium to coarse, brown	1	2
		Gravel, medium to very coarse; containing some sand and large cobbles	32.5	34.5
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt and sand, fine; limy; light tan; containing few thin cemented beds	11.5	46
		Sand, fine to coarse, tan	13	59
		Clay, limy, silty, light gray to white; and cemented silt and fine sand	14	73
		Silt, clayey, sandy, yellow-tan	20	93
		Sand, coarse, to gravel, medium; containing abundant yellow chalk pebbles	26	119
		Silt, clayey, sandy, tan	13	132
Carlile shale
	Fairport chalky shale member
		Shale, silty, yellow; and shale, chalky, white	8.5	140.5
		Shale, calcareous, black	4.5	145

14. Log of test hole 14 at the NW corner NE sec. 12, T. 25 S., R. 33 W., Finney County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,866.8 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
Dune sand
		Soil, sandy, dark	0.5	0.5
		Sand, fine to medium, tan	3.5	4
		Sand, fine, tan	4	8
Terrace gravels
		Gravel, medium to very coarse, sandy; containing pebbles and cobbles	37	45
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt and sand, fine; limy; gray and tan; containing some gray silty clay	36	81
		Sand, fine, to gravel, medium; tan	12	93
		Silt and sand, fine; limy; tan and light gray	32	125
		Sand, coarse, to gravel, medium; brown	30	155
		Silt and sand, fine; limy; light gray	7	162
		Sand, fine, red-brown	9	171
		Sand, fine, lime-cemented, hard; interbedded with light gray silt and fine sand	9	180
		Sand, coarse, to gravel, coarse; brown	15.5	195.5
		Silt and sand, fine; limy; light gray; containing hard cemented zone at top	2.5	198
		Sand, coarse, to gravel, medium; brown	5.5	203.5
		Silt, clayey, medium gray	2.5	206
		Sand, coarse, to gravel, medium; brown	31	237
		Sand, fine, brown; containing few thin cemented zones and some coarser sand and gravel	23	260
		Sand, coarse, and gravel, fine	17	277
		Silt and sand, fine; tan and light gray	12	289
		Sand, medium, to gravel, fine; brown	20	309
		Silt, clayey, tan	5	314
		Sand and gravel; brown	11	325
		Silt, clayey, sandy, yellow-tan	11	336
		Gravel, fine to coarse, sandy; containing granules and pebbles of Cretaceous rocks	10	346
		Silt and sand, fine; limy; tan and light gray	4	350
		Sand, medium, to gravel, coarse; containing chalk and limestone pebbles	55.5	405.5
Greenhorn limestone
		Shale, silty, calcareous, yellow-tan	4	409.5
		Shale, calcareous, black, and limestone, dark gray	10.5	420

15. Log of test hole 15 at the NW corner sec. 12, T. 26 S., R. 33 W., Finney County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,884.1 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
Dune sand
		Sand, fine to medium, tan	2	2
		Sand, fine to medium, silty, brown	5	7
Undifferentiated Pleistocene deposits and Ogallala formation
		Clay, hard, black	2.5	9.5
		Silt, clayey and sandy, green-gray to tan; containing gastropod shells and shell fragments	6.5	16
		Sand, fine, tan; containing shell fragments	5	21
		Silt, clayey and sandy, green-gray; containing shell fragments	3.5	24.5
		Sand, coarse, to gravel, very coarse	16.5	41
		Silt and sand, fine; limy; light gray and tan	16	57
		Sand, fine, tan	12	69
		Sand, coarse, to gravel, coarse	26	95
		Silt and sand, fine; limy; tan	9.5	104.5
		Sand, fine, tan; containing some coarser sand and gravel	5.5	110
		Sand, coarse, to gravel, coarse; brown	20	130
		Sand, medium, to gravel, fine; brown	26	156
		Silt and sand, fine; light tan and light gray	3	159
		Sand, medium, to gravel, coarse	20	179
		Silt and sand, fine; tan; containing few thin cemented beds	28	207
		Gravel, fine to medium; containing some sand	8	215
		Sand and gravel; lime-cemented; hard	10	225
		Sand, coarse, to gravel, coarse; brown	66	291
		Silt and sand, fine; limy; light gray and tan	12	303
		Sand, coarse, to gravel, coarse; containing some silt and fine sand	17	320
		Silt and sand, fine; limy; light gray and tan; containing few thin beds of hard, white caliche	28	348
		Silt and sand, fine; tan	4	352
		Silt and sand, fine; brown; containing cemented fragments and caliche	19	371
		Silt, clayey, tan; containing thin lenses of silt and fine sand	19	390
		Sand, medium, to gravel, fine; brown	2.5	392.5
Laverne (?) formation
		Clay, blocky, tan to brown	47.5	440
Dakota formation
		Sandstone, pink-red to maroon-red; containing some iron concretions	15	455
		Shale, gray	12	467

16. Log of test hole 16 at the SW corner sec. 36, T. 26 S., R. 33 W., Finney County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,914.5 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, sandy, dark		3	3
Undifferentiated Pleistocene deposits
		Silt and sand, fine to coarse; tan; containing shell fragments	27	30
		Gravel, fine to coarse; containing thin lenses of tan silt and sand	85	115
		Silt and sand, fine; tan; brown and gray	25	140
		Sand, medium, to gravel, medium; brown	8	148
		Sand, fine, brown	6.5	154.5
		Sand, medium, to gravel, medium; brown	35	189.5
		Silt, clayey and sandy, tan	7.5	197
		Silt and sand, fine; medium gray; containing shell fragments	4	201
		Silt and sand, fine; tan	3	204
		Gravel, fine to coarse; containing some silt and sand	40	244
		Clay, silty and sandy, gray, blue-gray and tan	20	264
		Sand, lime-cemented, hard, blue gray	8	272
		Clay, silty, blue-gray; containing shell fragments	8	280
		Clay, silty and sandy, soft, blue-black; containing gastropod fragments and ostracodes	10	290
		Sand, coarse, to gravel, coarse; brown	23.5	313.5
Ogallala (?) formation
		Silt and sand, fine; limy; tan and light gray	7.5	321
		Sand, medium to gravel, medium; brown; contains some light gray sandy silt	10	331
		Silt, clayey and sandy, tan and light gray; containing thin caliche beds	31	362
		Sand, fine, tan to brown; containing some coarser sand and gravel	9	371
		Sand and gravel; lime-cemented; light gray; and caliche, white	19	390
Laverne (?) formation
		Clay, silty, tan and gray	20	410
		Clay-shale, silty, tan and brown	41	451
		Sand, medium, to gravel, fine; brown	18	469
		Clay, silty, yellow-tan	12.5	481.5
Dakota formation
		Shale, soft, yellow-tan and light gray; containing thin maroon-red sandstone beds	8.5	490
		Sandstone, red, yellow-tan, and red-brown	7	497
		Shale, silty, yellow-tan	3	500

17. Log of test hole 17 at the SE corner sec. 11, T. 24 S., R. 27 W., Gray County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,664.3 feet. (Authority, samples studied by Laurence P. Buck and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, dark brown		2	2
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt, sandy, tan; containing lime nodules	5.5	7.5
		Silt, reddish brown; containing scattered sand, gravel, and lime nodules	7	14.5
		Silt and sand, fine; limy; light tan; containing some gravel and caliche fragments	19.5	34
		Silt, sandy, limy, light tan to white; containing caliche nodules	10	44
		Sand, fine, orange-tan; contains caliche and a little gravel	10	54
		Sand, coarse, to gravel, coarse; partly cemented	12	66
		Sand, gravel, and caliche	2.5	68.5
		Silt and sand, fine; limy; light tan	1.5	70
		Silt and sand, fine; tan	3	73
		Silt, lime-cemented, light tan to white	17	90
		Gravel, coarse; composed chiefly of limestone and chalk pebbles	15	105
		Silt and sand, fine; lime-cemented; white	5	110
Greenhorn(?) limestone
		Shale, calcareous, silty, dark gray; containing crystalline calcite veins	10	120

18. Log of test hole 18 at the SE corner sec. 15, T. 24 S., R. 28 W., Gray County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,742.4 feet. (Authority, samples studied by Perry M. McNally, Laurence P. Buck, and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, sandy, tan		0.5	0.5
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt, tan; containing scattered sand and gravel	16.5	17
		Silt and sand, fine; tan; containing lime nodules	14	31
		Silt, sandy, limy, tan	24	55
		Caliche, silty, light gray to white	5	60
		Silt, sandy, limy, tan to white	4.5	64.5
		Caliche, hard, light tan to light gray	1.5	66
		Sand, fine to medium, cemented, tan	6	72
		Sand and gravel; brown	2	74
		Silt, sand, and gravel; cemented; gray	5	79
		Sand and gravel; brown	4	83
		Gravel, medium to coarse, cemented	7	90
		Silt and sand, fine; limy; tan to reddish brown	21	111
		Caliche, soft, light gray; and silt and sand, fine; limy	3	114
		Gravel, medium to coarse, brown	16	130
		Silt, sand, and gravel	11	141
		Caliche, light gray and tan; and silt and fine sand; limy	4	145
		Silt and sand, fine; limy; light gray to white	6	151
		Silt and clay, silty; yellow-tan	7	158
		Sand and gravel; brown	5	163
		Silt, sandy, tan	27	190
		Sand, fine, to gravel, fine; limy; silty; tan	20	210
		Silt and sand, fine; limy; tan	5.5	215.5
Carlile shale
	Fairport chalky shale member
		Shale, calcareous, black	4.5	220
		Shale, calcareous, dark gray to black; contains thin calcite veins	6	226
Greenhorn (?) limestone
		Shale, calcareous, light-gray and black; contains 5-inch bed of blue-gray bentonite at 261 feet	46	272
		Shale, silty, sandy, calcareous, black	18	290
		Shale, calcareous, silty, dark gray to black; containing few thin beds of blue-gray bentonite and calcite	57	347
		Shale, calcareous, silty, light gray to white; containing interbedded hard black shale	3	350
Graneros shale--Kiowa (?) shale
		Shale, noncalcareous, blue-gray; contains few thin beds of dark gray sandstone	23	373
		Shale, noncalcareous, silty, light gray to black; containing pyrite	6.5	379.5
		Sandstone, hard, dark gray	0.5	380
		Shale, noncalcareous, silty, light to medium gray	20	400
		Shale, noncalcareous, silty, light gray; and shale, sandy, gray	20	420
		Shale, noncalcareous, dark gray; and shale, silty and sandy, light gray	50	470
		Shale, noncalcareous, sandy, light gray	25	495
		Shale, noncalcareous, sandy, dark brown to black	5	500
		Shale, sandy, banded, light to dark gray and yellow	10	510
		Shale, noncalcareous, dark gray; containing some medium gray and orange-tan silty clay	26	536
		Shale, noncalcareous, dark gray; containing some light-gray silty shale and brown sandy shale	24	560
		Shale, noncalcareous, light to medium gray; containing sand, mineral charcoal, and a little red clay	57	617

19. Log of test hole 19 at the SE corner sec. 13, T. 24 S., R. 30 W., Gray County, drilled by State and Federal GeologicalSurveys, 1941. Surface altitude, 2,819.2 feet. (Authority, samples studied by Laurence P. Buck and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, dark brown		1	1
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt and sand, fine; limy; tan and light brown	19	20
		Silt and sand, fine; limy; reddish tan to yellow-tan; contains caliche	23	43
		Silt and sand, fine; limy, cemented	5	48
		Sand, coarse, to gravel, coarse	12	60
		Sand, coarse, to gravel, fine; cemented	5.5	65.5
		Sand, coarse, to gravel, coarse	4.5	70
		Sand, fine, tan	3	73
		Sand, coarse, to gravel, coarse; containing thin cemented zones	23	96
		Gravel, fine, cemented	2.5	98.5
		Silt and sand, fine; limy; tan	1.5	100
		Sand, fine, to gravel, coarse; partly cemented	31	131
		Silt and sand, fine; tan	19	150
		Silt, sand, gravel, and caliche	11	161
		Sand, coarse, to gravel, medium	11	172
		Silt and sand, fine; tan	11	183
		Sand, coarse, to gravel, coarse	27	210
		Gravel, fine to coarse; composed mostly of white to light-gray limestone pebbles	14	224
		Clay, noncalcareous, yellow and gray	18	242
Carlile shale
	Fairport chalky shale member
		Shale, calcareous, dark gray	8	250

20. Log of test hole 20 at the SE corner sec. 27, T. 25 S., R. 28 W., Gray County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,751.1 feet. (Authority, samples studied by Laurence P. Buck and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, sandy, dark brown		2	2
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt, tan to red-brown; contains scattered sand and gravel	8	10
		Silt and sand, fine; limy; light tan to red-brown; containing caliche nodules	45.5	55.5
		Silt and sand, fine; lime-cemented; soft; white to light tan; and caliche	9.5	65
		Sand, fine, red-tan, gray, and yellow; and caliche	15	80
		Sand, fine, to gravel, coarse; loose; contains cemented zones	17.5	97.5
		Sand, fine, limy, light tan	2.5	100
		Silt and sand, fine; light tan; containing scattered coarse sand and gravel	10	110
		Sand, fine to medium, tan; containing scattered gravel and caliche	10	120
		Sand, fine, to gravel, fine; silty	30	150
		Silt, sand, and gravel; limy, tan	24	174
		Sand, fine, pink-tan	6	180
		Sand, fine, limy, light tan; containing some coarse sand, fine gravel, and caliche	7	187
		Silt and sand, fine; limy, white to light tan; and caliche	8	195
		Sand, gravel, and caliche	25	220
		Silt and sand, fine; tan	10	230
		Sand, fine, to gravel, fine; silty	40	270
		Sand, fine, to gravel, medium	15	285
		Silt, sandy, light tan	5	290
		Silt and sand, fine; clayey; tan to light brown	13	303
Greenhorn limestone
		Shale, calcareous, light to dark gray and dark brown; containing thin crystalline calcite veins	7	310

21. Log of test hole 21 at the NE corner NW sec. 25, T. 25 S., R. 30 W., Gray County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,698.2 feet. (Authority, samples studied by Laurence P. Buck and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, brown		1	1
Alluvium
		Sand, fine, silty, tan	1	2
		Sand, coarse, to very coarse gravel	41	43
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt and sand, fine; yellow-tan; containing caliche and lime-cemented nodules	19	62
		Sand, fine, hard, cemented	2.5	64.5
		Silt and sand, fine; clayey; yellow-tan; containing caliche and "mortar bed" fragments in upper part	18.5	83
		Sand, fine to gravel, fine; containing some yellow-tan silty and sandy clay	27	110
		Silt, fine sandy, yellow-tan; and clay, blocky, silty; containing scattered sand and gravel	20	130
		Sand, fine to gravel, coarse; containing thin lenses of sandy silt	30	160
		Sand, fine, silty, tan and gray, and sand and gravel containing limestone and yellow shale pebbles	9	169
Carlile shale
	Fairport chalky shale member
		Shale, silty and fine sandy, calcareous, dark gray	26	195
		Shale, silty and fine sandy, light gray and medium gray; and shale, sandy, hard, dark gray	1.5	196.5
		Shale, silty and fine sandy, calcareous, dark gray	3.5	200
		Shale, silty and sandy, calcareous, light to dark gray; contains thin bed of blue-gray bentonite and calcite	10	210
		Shale, sandy, hard, calcareous, dark gray	10	220

22. Log of test hole 22 at the SW corner sec. 10, T. 26 S., R. 28 W., Gray County, drilled by State and Federal Geological Surveys, 1941. Surface altitude, 2,621.8 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, sandy, dark		0.5	0.5
Alluvium
		Sand, fine to medium, limy, gray	4.5	5
		Gravel, medium to very coarse; contains pebbles up to an inch in diameter	35	40
		Sand, fine, to gravel, coarse; brown	19.5	59.5
Ogallala formation
		Silt and sand, fine; lime-cemented; gray	3.5	63
		Sand and gravel; limy; gray	4	67
		Sand, fine to coarse, silty, tan and light gray	33	100
		Silt and sand, fine; limy; tan	10	110
		Sand, fine, to gravel, fine; silty	20	130
		Sand, coarse, to gravel, coarse; containing limestone and sandstone granules and pebbles	26	156
Greenhorn limestone
		Clay, silty, calcareous, yellow-tan	7.5	163.5
		Shale, dark gray to black; containing few hard calcite veins	4.5	168
		Shale, hard, light gray to white; and shale, calcareous, black	32	200
		Shale, calcareous, light to dark gray and black; containing thin bed of light-blue bentonite	10	210

23. Log of test hole 23 at the NW corner sec. 34, T. 26 S., R. 28 W., Gray County, drilled by the State and Federal Geological Surveys, 1941. Surface altitude, 2,671.5 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
Dune sand
		Soil, sandy, dark	3	3
		Sand, fine, silty, brown	7	10
Terrace gravels
		Sand, medium to gravel, fine; brown; containing snails and shell fragments	10	20
		Silt to sand, coarse; tan	4	24
		Sand, medium, to gravel, medium; brown	6	30
		Sand, coarse, to gravel, very coarse; poorly sorted	48	78
Ogallala formation
		Silt and sand, fine; limy; light gray	3	81
		Sand, coarse, to gravel, very coarse	22	103
		Gravel, fine to very coarse, brown	37	140
		Silt and sand, fine; tan to buff; contains a little sand and gravel	43	183
		Gravel, fine to coarse, brown	17	200
		Silt and sand, fine to coarse; tan	10	210
		Silt and sand; limy; light gray	5	215
Greenhorn limestone
		Shale, calcareous, black	5	220

24. Log of test hole 24 at the NE corner sec. 31, T. 27 S., R. 30 W., Gray County, drilled by the State and Federal Geological Surveys, 1941. Surface altitude, 2,837.4 feet. (Authority, samples studied by Perry M. McNally and Bruce F. Latta.)			Thickness (feet)	Depth (feet)
	Soil, sandy, dark		2	2
Undifferentiated Pleistocene deposits and Ogallala formation
		Silt and sand, fine; tan	5	7
		Sand, fine, to gravel, medium; brown	5	12
		Silt and sand; tan; containing caliche pebbles and nodules and some gravel in lower part	48	60
		Sand, fine, to gravel, medium; silty, brown	18	78
		Silt to sand, medium; limy; light gray and light tan	32	110
		Sand, coarse, to gravel, coarse; brown	49	159
		Silt and sand, fine; tan	1	160
		Sand, coarse, to gravel, coarse; brown; lower 10 feet is partly cemented	66	226
		Silt, sand, gravel, and caliche; poorly sorted; containing "mortar bed' pebbles	14	240
		Silt to sand, coarse; limy; tan and gray	3.5	243.5
		Sand, coarse, to gravel, medium; brown	16.5	260
		Silt, tan; containing scattered sand and gravel	11	271
		Sand, medium, to gravel, coarse; brown	26	297
		Silt and sand, fine to coarse; gray and tan; containing some gravel	53	350
		Sand, fine to coarse, tan	19	369
		Silt and sand, fine; tan	8	377
		Sand and gravel, fine to medium; containing an abundance of brown sandstone pebbles	27	404
Dakota formation
		Sandstone, concretionary, brown	3	407
		Clay, gritty, yellow, light gray, and brown	3	410

Wells 1-12 || Wells 13-24 || Wells 25-36 || Wells 37-48 || Wells 49-60

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Kansas Geological Survey, Geology
Web version April 2002. Original publication date Dec. 1944.
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