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Table of Contents

Abstract

Introduction

Geography

Physiography

Geology

Geologic History

Ground Water

Records of Typical Wells

Logs of Test Holes

References

Plates

Logs of Test Holes and Wells, Page 7 of 8

22-11-7bbb--Partial sample log of oil test (No. 1 Wolf) at the SW cor. NW 1/4 NW 1/4 NW 1/4 sec. 7, T. 22 S., R. 11 W., Stafford County, drilled by the Shell Oil Company, 1973.			Thickness, feet	Depth, feet
QUATERNARY--Pleistocene
	Meade formation
		Sand, fine to coarse, tan	20	20
		Sand, coarse, tan; contains some fine to medium sand and fine gravel	5	25
CRETACEOUS--Comanchean
	Cheyenne sandstone
		Sandstone, very fine-grained, micaceous, white, and some tan, brown, red, and yellow very fine-grained sandstone	45	70
PERMIAN
		Siltstone, red-brown; contains some very fine sand	20	90

22-11-28bc--Sample log of test hole at the SW cor. NW 1/4 sec. 28, T. 22 S., R. 11 W., Stafford County; drilled, 1945. Surface altitude, 1,818.8 feet.			Thickness, feet	Depth, feet
		Road fill and gray sandy soil	2	2
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt and sand; tan and light-gray; contains some fine gravel in lower part	20	22
	Meade formation (Pleistocene)
		Gravel, fine to medium, sand, and silt; tan	2	24
		Silt, tan; contains sand and fine to medium gravel	4	28
		Gravel, fine, and sand; contains much silt and a few pebbles of Cretaceous rocks	28	56
CRETACEOUS--Comanchean
	Cheyenne sandstone
		Sandstone, very fine- to fine-grained, argillaceous, light-gray, and yellow sandy shale	7	63
		Shale, sandy, light blue-gray and yellow; contains thin beds of sandstone	13	76
PERMIAN
		Shale, sandy, red and light-gray	14	90

22-12-23cc--Sample log of test hole at the SW cor. sec. 23, T. 22 S., R. 12 W., Stafford County; drilled, 1945. Surface altitude, 1,854.7 feet.			Thickness, feet	Depth, feet
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Sand, fine to medium, silty	6	6
	Meade formation (Pleistocene)
		Silt, brown, gray, and yellow buff, and fine to coarse sand	29	35
		Silt and fine to coarse sand; contains some fine gravel in lower part	25	60
		Sand, fine to coarse gravel	14	74
		Silt, buff, and fine to medium sand; contains a few cemented beds	26	100
		Sand, fine, to coarse gravel	13	113
		Silt and fine to coarse sand; contains some fine to medium gravel in lower part	9	122
		Silt and clay; sandy, light-gray and yellow-gray	5	127
		Sand, fine to coarse, silty; contains some fine to medium gravel	23	150
		Gravel, fine to medium, and sand	8	158
PERMIAN
		Shale, red; contains some gray sandstone	10	168

22-13-22cc--Sample log of test hole at the SW cor. sec. 22, T. 22 S., R. 13 W., Stafford County; drilled, 1948. Surface altitude, 1,897.4 feet.			Thickness, feet	Depth, feet
		Road fill	2	2
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt and sand; tan and yellow-gray	6	8
		Sand, fine to coarse, silty, tan	7	15
	Meade formation (Pleistocene)
		Silt and fine to coarse sand; tan, buff, and white; contains caliche in lower part	15	30
		Sand, fine to coarse, silty, white; contains caliche	10	40
		Gravel, fine to coarse, and sand	65	105
		Silt, clayey, micaceous, green-gray	2	107
		Gravel, fine to coarse, and sand; contains a few layers of silt	83	190
CRETACEOUS--Comanchean
	Cheyenne sandstone
		Sandstone, fine-grained, white, greenish-gray, and light-yellow; contains some silt and pellets of brown hard sandstone	30	220
		Siltstone and sandstone, fine-grained; light buff and white	20	240
		Sandstone, silty, blue-gray	18	258
PERMIAN
		Shale, silty, dull-red, and red-brown and blue-gray medium-grained hard sandstone	12	270

22-14-17baa--Partial sample log of oil test (No. 1 Pinkston) in the center NE 1/4 NE 1/4 NW 1/4 sec. 17, T. 22 S., R. 14 W., Stafford County; drilled by Kessler and Simpson. Approximate surface altitude, 1,955.0 feet.			Thickness, feet	Depth, feet
QUATERNARY--Pleistocene
	Meade formation
		(No sample)	30	30
		Sand, fine, to medium gravel; contains some silt layers	80	110
		Gravel, medium to coarse, and sand; contains some silt	60	170
		Gravel, coarse; contains some medium sand to medium gravel and silt. Includes many pebbles of brown sandstone and "ironstone"	35	205
CRETACEOUS--Comanchean
	Kiowa shale
		Shale, dark-gray to black; contains pyrite and shell fragments	35	240
		Sandstone, very fine-grained, gray, brown, and red-brown, and some gray shale. Contains pyrite and shell fragments	30	270
	Cheyenne sandstone
		Sandstone, very fine-grained, white to light-gray; contains pyrite	33	303
PERMIAN
		Siltstone, sandy, red	7	310

22-14-32cc--Sample log of test hole at the SW cor. sec. 32, T. 22 S., R. 14 W., Stafford County; drilled, 1948. Surface altitude, 1,966.3 feet.			Thickness, feet	Depth, feet
		Road fill	2	2
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt and sand; gray, brown, and buff	28	30
	Meade formation
		Silt, yellow-gray and gray; contains some fine sand to coarse gravel	10	40
		Silt, sandy, white and yellow	2.5	42.5
		Gravel, fine to medium, and sand	25.5	68
		Clay, silty, yellow-gray, and caliche	7	75
		Silt, gray and tan; contains some fine to coarse sand and fine to coarse gravel	7	82
		Gravel, medium to very coarse; contains some sand and fine gravel	8	90
CRETACEOUS--Comanchean
	Kiowa shale
		Clay, silty, light blue-gray and yellow-buff; contains hematite from 98 to 100 feet	10	100
		Clay and shale; gray, blue-gray, and buff; contains a few thin beds of gray hard limestone	50	150
		Clay and shale; gray, and gray fine-grained sandstone; contains shells from 152 to 153 feet	10	160
		Clay, gray-white, and some black fissile shale; contains pyrite	10	170
		Clay and shale; light-gray to black; contains some fine to medium sand	75	245
	Cheyenne sandstone
		Clay and fine sand; gray-white; contains a few pellets of medium-grained hard sandstone	15	260

23-13-12aa--Sample log of test hole at the NE cor. sec. 12, T. 23 S., R. 13 W., Stafford County; drilled, 1945. Surface altitude, 1,862.0 feet.			Thickness, feet	Depth, feet
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Sand, fine to medium	4	4
	Meade formation (Pleistocene)
		Silt, sand, and gravel; poorly sorted	5	9
		Gravel, fine to coarse, and sand; contains some light-gray and brown silt	115	124
		Silt, gray buff; contains caliche	19	143
		Gravel, fine to coarse, and sand; silty	24	167
CRETACEOUS--Comanchean
	Cheyenne sandstone
		Sandstone, fine- to medium-grained; contains some yellow and light-green clay	25	192
		Shale, sandy, blue-gray	2	194
PERMIAN
		Shale, sandy, red-brown, blue-gray, and pink	6	200

23-13-22bb--Sample log of test hole at the NW cor. sec. 22, T. 23 S., R. 13 W., Stafford County; drilled, 1943. Surface altitude, 1,873.5 feet.			Thickness, feet	Depth, feet
		Road fill	1	1
QUATERNARY--Pleistocene
	Meade formation
		Silt, sandy, gray-buff; contains caliche nodules	3	4
		Gravel, fine to coarse, and sand; contains some silt	13	17
		Silt, sandy, gray	2	19
		Gravel, fine to coarse, and sand	44	63
		Silt, clayey, buff; contains some fine gravel, sand, and caliche nodules	6	69
CRETACEOUS--Comanchean
	Kiowa shale
		Shale, clayey, light-gray and yellow-gray; contains gypsum	21	90
		Shale, fissile, gray-black to black; contains thin shell beds and some sandstone	40	130
	Cheyenne (?) sandstone
		Clay, gray-white, and white fine-grained hard sandstone	3	133
PERMIAN
		Shale, red-brown	12	145
		Clay and fine-grained sandstone; gray-white	5	150
		Shale, red-brown	5	155

23-13-28ca--Driller's log of irrigation well of J. B. O'Conner in the NE 1/4 SW 1/4 sec. 28, T. 28 S., R. 13 W., Stafford County; drilled in 1937. Surface altitude, 1,896.9 feet.			Thickness, feet	Depth, feet
		Soil	2	2
QUATERNARY--Pleistocene
	Meade formation
		Clay	8	10
		Sand, fine, grading downward into very coarse gravel	48	58
		Clay	0.5	58.5

24-11-5aa--Sample log of test hole at the NE cor. sec. 5, T. 24 S., R. 11 W., Stafford County; drilled, 1948. Surface altitude, 1,822.6 feet.			Thickness, feet	Depth, feet
		Road fill	1	1
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt, gray and gray-brown	5	6
		Silt and sand; gray, gray-brown, tan, and yellow	22	28
	Meade formation (Pleistocene)
		Gravel, fine to medium, and sand	18	46
		Silt, sandy, gray and gray-brown; contains caliche	10	56
		Silt, sandy, yellow, buff, and gray; contains some fine to medium gravel and caliche	24	80
		Gravel, fine to medium, and sand; contains caliche and many pebbles of "ironstone"	22	102
PERMIAN
		Shale, silty, brick-red and green-gray	8	110

24-11-25dd--Sample log of test hole at the SE cor. sec. 25, T. 24 S., R. 11 W., Stafford County; drilled, 1943. Surface altitude, 1,771.0 feet.			Thickness, feet	Depth, feet
		Road fill	2	2
QUATERNARY--Pleistocene
	Meade formation
		Silt, sandy, tan	16	18
		Clay, light-gray	2	20
		Gravel, fine to coarse, and sand; contains a few pebbles,	28	48
		Silt, sand, and gravel; poorly sorted	5	53
		Gravel, fine to medium, and sand	4	57
		Silt, sandy, buff	4	61
		Gravel, fine to medium, and sand	3	64
		Silt, clayey, yellow	6	70
		Gravel, fine to coarse, and sand	20	90
		Sand, fine to coarse; contains some fine to medium gravel and some light-gray silt	22	112
PERMIAN
		Shale, silty, dull red	3	115

24-11-28dd--Sample log of test hole at the SE cor. sec. 28, T. 24 S., R. 11 W., Stafford County; drilled, 1945. Surface altitude, 1,791.9 feet.			Thickness, feet	Depth, feet
		Road fill and soil; gray brown	3	3
QUATERNARY--Pleistocene
	Meade formation
		Silt and fine to coarse sand; tan to light-gray; contains some fine to medium gravel in lower part	24	27
		Gravel, fine to coarse, and sand; contains some silt and many pebbles	6	33
		Silt and sand, fine to coarse; contains some fine to coarse gravel from 50 to 60 feet	27	60
		Gravel, fine to coarse, and sand; silty	10	70
		Silt, buff and greenish-gray; interbedded with silty sand and gravel	25	95
		Gravel, fine to medium, and sand	3	98
		Silt, buff	4	102
		Gravel, fine to medium, and sand	2	104
PERMIAN
		Shale, sandy, red and yellow-gray	9	113
		Shale, sandy, red-brown and blue-gray; contains some gray-white fine-grained sandstone	37	150

24-12-34bb--Sample log of test hole at the NW cor. sec. 34, T. 24 S., R. 12 W., Stafford County; drilled, 1943. Surface altitude, 1882.1 feet.			Thickness, feet	Depth, feet
		Road fill	2	2
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt and fine to medium sand; gray, gray-brown, and yellow	8	10
	Meade formation (Pleistocene)
		Silt, sandy, tan and gray; contains some fine gravel	10	20
		Silt, buff and gray; contains fine to coarse sand	20	40
		Silt, yellow buff; contains fine to medium gravel and sand	8	48
		Gravel, fine to coarse, and sand; contains some yellow silty clay in lower part	25	73
		Silt and clay; light-gray, gray, and buff; contains some caliche	47	120
		Silt, clayey and sandy, gray; contains caliche	17	137
		Gravel, fine to medium, and sand	6.5	143.5
CRETACEOUS--Comanchean
	Cheyenne sandstone
		Siltstone, light greenish-gray; contains some fine to medium sand and gray fine- to medium-grained hard sandstone	47.5	191
PERMIAN
		Shale, silty, red-brown and blue-gray	19	210

24-14-31bb--Sample log of test hole at the NW cor. sec. 31, T. 24 S., R. 14 W., Stafford County; drilled, 1943. Surface altitude, 1,999.1 feet.			Thickness, feet	Depth, feet
		Soil, sandy, gray-brown	2	2
QUATERNARY--Pleistocene
	Meade formation
		Silt and sand; tan and gray	16	18
		Silt and fine to coarse sand; buff and white; contains some fine gravel and caliche	12	30
		Sand, fine, to medium gravel; contains some silt and caliche	30	60
		Gravel, fine to medium, and sand	22	82
		Sand, fine to medium, silty; contains caliche and some fine to medium gravel	8	90
		Silt, sandy, gray-buff; contains caliche	45	135
		Sand, fine to coarse, and buff silt	5	140
		Sand, fine to coarse, and fine gravel	9	149
		Silt, sandy, buff; contains caliche	4	153
CRETACEOUS--Comanchean
	Kiowa shale
		Clay, blue-gray, and a few thin shell beds; contains pyrite	17	170
		Clay, gray, and dark-gray fissile shale; contains a shell bed from 189.5 to 190 feet	20	190
		Shale, fissile, gray to black; contains many shells	50	240
	Cheyenne sandstone
		Clay and silt, and fine-grained hard sandstone; gray	9	249
		Siltstone and fine-grained sandstone; white; contains some blue-green siltstone	6	255
PERMIAN
		Siltstone, brown-red; contains gypsum	5	260
		Claystone, silty, dull-red	20	280

24-15-30cc--Sample log of test hole at the SW cor. sec. 30, T. 24 S., R. 15 W., Stafford County; drilled, 1943. Surface altitude, 2,053.1 feet.			Thickness, feet	Depth, feet
		Soil, sandy, gray-brown	3	3
QUATERNARY--Pleistocene
	Meade formation
		Silt and fine to coarse sand; gray and tan	23	26
		Gravel, fine, and sand	4	30
		Silt, sandy, tan and gray-white, interbedded with fine to coarse gravel	30	60
		Gravel, fine to medium, and sand	6	66
		Silt, sandy, gray; contains caliche	1	67
		Gravel, fine to medium, and sand	9	76
		Silt, sandy, gray and tan	4	80
		Gravel, fine to medium, and sand	7	87
		Silt, sandy, buff; contains caliche	50	137
		Gravel, fine to medium, and sand; contains some silt	5	142
CRETACEOUS--Comanchean
	Kiowa shale
		Sandstone, medium-grained, hard, brown	8	150
		Clay, light to dark-gray, and gray shale; contains thin beds of gray hard limestone	30	180

25-11-33aa--Sample log of test hole at the NE cor. sec. 33, T. 25 S., R. 11 W., Stafford County; drilled, 1943. Surface altitude, 1,821.4 feet.			Thickness, feet	Depth, feet
		Road fill	1	1
QUATERNARY--Pleistocene
	Meade formation
		Silt, clayey, gray-buff and yellow; contains some fine to medium sand and caliche	24	25
		Gravel, fine to coarse, and sand	55	8O
		Silt and fine to coarse sand; buff	3	83
		Gravel, fine to medium, and sand; contains some coarse gravel and a few layers of yellow and buff silt	61	144
		Silt and fine to coarse sand; buff and white; contains caliche	16	160
		Silt, clayey, sandy, pink-brown	3	163
		Gravel, fine to medium, and sand; silty	10	173
PERMIAN
		Shale, brownish-red, and some light-gray shale	7	180

25-13-33aa--Sample log of test hole at the NE cor. sec. 33, T. 25 S., R. 13 W., Stafford County; drilled, 1943. Surface altitude, 1,925.8 feet.			Thickness, feet	Depth, feet
		Road fill	2	2
QUATERNARY--Pleistocene
	Meade formation
		Silt, sandy, yellow, gray, and buff; contains some caliche,	27	29
		Gravel, fine to coarse, and sand	7	36
		Silt, soft, white	2	38
		Gravel, fine to coarse, and sand	6	44
		Silt and fine to coarse sand; buff	5	49
		Gravel, fine, and sand	5	54
		Silt, sandy, gray-buff	3	57
		Sand, fine to medium, loosely cemented	3	60
		Gravel, fine, and sand	5	65
		Silt, sandy, buff and gray-green; contains some caliche	10	75
		Gravel, fine to medium, and sand	61	136
		Silt and fine to coarse sand; gray-buff	13	149
		Gravel, fine to medium, and sand	5	154
		Silt and fine to coarse sand; buff	2	156
		Gravel, fine to medium, and sand	25	181
PERMIAN
		Shale, brick-red; contains some light-gray shale and gray-white fine-grained sandstone	9	190

25-15-33dd--Sample log of test hole at the SE cor. sec. 33, T. 25 S., R. 15 W., Stafford County; drilled, 1943. Surface altitude, 2,026.9 feet.			Thickness, feet	Depth, feet
		Soil, sandy, brown	3	3
QUATERNARY
	Dune sand (Pleistocene and Recent)
		Silt and fine to coarse sand; tan and gray	7	10
	Meade formation (Pleistocene)
		Gravel, fine to coarse; contains some sand and silt	10	20
		Silt, sandy, gray-white, buff, and gray-brown; contains some fine to medium gravel and caliche	14	34
		Gravel, fine to coarse, and sand; contains a few layers of gray-brown, yellow, and buff silt	72	106
		Silt and fine to coarse sand; light-tan and buff	27.5	133.5
		Gravel, fine to medium, and sand	28.5	162
		Silt and fine to coarse sand; tan and gray	15	177
		Gravel, fine to medium	9	186
		Silt and fine to coarse sand; gray	1	187
		Gravel, fine to medium, and sand; silty	18	205
		Silt, sandy, gray	4	209
		Gravel, fine to medium, and sand	11	220
CRETACEOUS--Comanchean
	Kiowa shale
		Clay, dark-blue gray, gray fissile shale, and thin beds of gray fine-grained sandstone	10	230
		Shale, fissile, black; contains some pyrite	11	241
	Cheyenne sandstone
		Sandstone, fine-grained, hard, white and gray white; contains some white siltstone and pyrite	9	250
		Siltstone, sandy, white	4	254
PERMIAN
		Shale, silty, brick-red	6	260

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