KGS--Thomas County--Logs of Test Holes and Wells

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Logs and Test Holes and Wells, continued

21. Log of test hole 21 in the SW corner sec. 31, T. 9 S., R. 36 W. Surface altitude, 3,450.2 feet.		Thickness, feet	Depth, feet
	Soil, dark gray downward to light gray	3	3
Sanborn formation
	Silt and very fine sand; yellow-gray	27	30
	Silt, buff, containing sand and fine gravel	10	40
	Silt, compact, light gray	10	50
Ogallala formation
	Silt, gray, containing sand and gravel	9	59
	Gravel and sand	5	64
	Silt, pink-tan, containing gravel and sand	23	87
	Gravel and sand	15	102
	Silt, sand, and caliche; buff	16	118
	Gravel, sand, silt, and caliche; yellow-gray	14	132
	Clay, silt, and caliche; white	12	144
	Gravel and sand; yellow and gray; containing silt. A few zones are cemented	26	170
	Silt, sand, and caliche; tan	9	179
	Gravel and sand; gray; containing silt	23	202
Pierre shale
	Shale, yellow-green and gray	8	210
	Shale, dark gray	10	220

22. Log of test hole 22 in the SE corner sec. 17, T. 10 S., R. 36 W. Surface altitude, 3,352.7 feet.		Thickness, feet	Depth, feet
Sanborn formation
	Silt and very fine sand; gray to tan	27	27
	Silt, gray, containing clay, sand, gravel, and caliche	1	28
	Silt and very fine sand; yellow-gray	1	29
	Silt with clay; yellow-buff; containing sand, caliche, gravel, and fragments of snails	11	40
Ogallala formation
	Gravel and sand; partly cemented	26	66
	Silt, pink-tan, containing sand, gravel, and caliche	12	78
	Gravel and sand	6	84
	Silt, sand, and gravel; gray-buff	6	90
	Gravel and sand	32	122
	Silt, sand, and gravel; tan	4	126
	Gravel and sand	10	136
	Silt, light yellow-gray	2	138
	Gravel and sand; gray; containing silt	12	150
	Silt, gray-buff, containing sand, caliche and gravel	10	160
	Gravel and sand	16	176
Pierre shale
	Shale, light gray-green	4	180
	Shale, dark gray	5	185

23. Log of test hole 23 in the NE 1/4 SE 1/4 sec. 20, T. 10 S., R. 36 W. Surface altitude, 3,322.5 feet.		Thickness, feet	Depth, feet
Sanborn formation
	Clay and silt; compact; gray	10	10
	Clay and silt; light gray; containing nodules of caliche and pebbles	16	26
	Silt and clay; buff; containing gravel and sand	14	40
	Gravel, sand, and silt; containing abraded pebbles of caliche	16	56
Ogallala formation
	Gravel, sand, and silt; cemented; buff	4	60
	Silt, buff; containing sand	6	66
	Gravel and sand; containing silt	24	90
	Silt, buff, containing sand and caliche	7	97
	Gravel and sand	37	134
	Silt, sand, and caliche; buff	7	141
	Gravel, sand, silt, clay, and caliche; white	9	150
	Silt and clay; light buff; containing caliche, sand, and gravel	24	174
	Gravel and sand	4	178
	Clay, white, containing silt and sand	7	185
	Gravel and sand; buff; containing silt and caliche	9	194
Pierre shale
	Shale, yellow in upper part to light blue-gray in lower part	6	200
	Shale, dark gray	20	220

24. Log of test hole 24 in the NE 1/4 NE 1/4 sec. 29, T. 10 S., R. 36 W. Surface altitude, 3,365.9 feet.		Thickness, feet	Depth, feet
	Soil, light gray-brown	2	2
Sanborn formation
	Silt and very fine sand; buff	44	46
	Clay and silt; light gray-green; containing sand and gravel	19	65
	Gravel and sand; buff; interbedded with silt and pebbles of caliche	17	82
	Silt, light buff	6	88
Ogallala formation
	Gravel and sand; cemented in zones	37	125
	Silt, caliche, sand, and gravel; gray	10	135
	Gravel and sand	3	138
	Silt, light gray; containing sand, gravel, and caliche	4	142
	Gravel and sand	4	146
	Silt, yellow-gray; containing sand, gravel and caliche	4	150
	Gravel, sand, and caliche	20	170
	Silt, gravel, sand, and caliche; yellow-buff	6	176
	Gravel and sand; containing clay	9	185
	Silt and caliche; gray; containing sand	2	187
	Gravel and sand	18	205
	Silt, light gray; containing sand and caliche	7	212
	Gravel and sand	11	223
	Silt, buff; containing gravel, sand, and caliche	9	232
	Gravel and sand	15	247
Pierre shale
	Shale, light yellow-green in upper part to gray in lower part	8	255

25. Log of test hole 25 in the SW corner sec. 31, T. 10 S., R. 35 W. Surface altitude, 3,353.4 feet.		Thickness, feet	Depth, feet
	Road fill	2	2
Sanborn formation
	Silt and very fine sand; yellow-gray	15	17
	Silt, gray-brown to white; containing sand, gravel, and caliche	3	20
Ogallala formation
	Silt, clay, sand, gravel, and caliche; white	12	32
	Gravel and sand; cemented	13	45
	Silt, caliche, sand, and gravel; light brown	10	55
	Gravel, sand, and caliche	14	69
	Silt, clay, sand, and caliche; light green-yellow to light brown	29	98
	Sand, cemented	22	120
	Gravel and sand	20	140
	Silt, green and brown; containing sand, caliche and clay	24	164
	Sand, yellow-brown; containing silt	12	176
	Silt, clay, sand, and caliche; yellow-brown	11	187
	Gravel and sand	7	194
	Clay and silt; yellow-buff and light gray-green	7	201
	Gravel and sand	14	215
Pierre shale
	Shale, light gray-green and gray	5	220
	Shale, gray	10	230

26. Log of test hole 26 in the NW 1/4 NW 1/4 sec. 36, T. 10 S., R. 34 W. Surface altitude, 3,192.6 feet.		Thickness, feet	Depth, feet
Sanborn formation
	Silt and very fine sand; yellow-gray	23	23
	Silt and clay; tan; containing sand and gravel	7	30
	Silt and clay; light buff	6	36
Ogallala formation
	Silt, clay, sand, and gravel; buff	6	42
	Gravel, sand, and caliche; buff	15	57
	Silt, pink-tan; containing gravel and sand	10	67
	Gravel and sand	21	88
	Silt, tan; containing gravel and sand	6	94
	Gravel and sand	7	101
	Silt, pink-tan; containing sand and gravel	4	105
	Gravel, sand, silt, and caliche; tan	5	110
	Silt and clay; gray; containing gravel, sand and caliche	12	122
	Sand and gravel	8	130
	Gravel and sand; containing silt and caliche	17	147
Pierre shale
	Shale, greenish-gray, mottled yellow-brown and red	11	158
	Shale, dark gray	7	165

27. Log of test hole 27 in the SE 1/4 SE 1/4 sec. 36, T. 10 S., R. 34 W. Surface altitude, 3,182.6 feet.		Thickness, feet	Depth, feet
Sanborn formation
	Clay and silt; compact; gray	6	6
	Silt and clay; yellow-gray; containing very fine sand	14	20
	Silt and clay; yellow-gray; containing a small amount of fine gravel	12	32
Ogallala formation
	Silt, dull tan; containing clay, sand, and gravel	3	35
	Gravel, sand, silt, and caliche; tan	7	42
	Silt and clay; tan and gray; containing sand and caliche	16	58
	Gravel and sand	20	78
	Silt, tan, containing sand	5	83
	Gravel, sand, and caliche	5	88
	Silt and sand; compact; tan	4	92
	Gravel, sand, silt, and caliche; tan and gray	8	100
	Silt, sand, and gravel; gray and tan	8	108
	Gravel, sand, and caliche	29	137
	Silt, clay, sand, and caliche	10	147
Pierre shale
	Shale, light green-gray mottled with yellow and brown	8	155

28. Log of test hole 28 in the SE 1/4 SE 1/4 sec. 36, T. 10 S., R. 34 W. Surface altitude, 3,191.2 feet.		Thickness, feet	Depth, feet
	Soil, silty, gray	2	2
Sanborn formation
	Silt and very fine sand; tan-gray	21	23
	Silt and clay; gray-brown	12	35
	Silt and clay; tan-buff; containing gravel and caliche	12	47
Ogallala formation
	Gravel, sand, silt, and caliche; buff	9	56
	Silt, sand, gravel, and caliche; tan	2	58
	Gravel and sand; partly cemented	3	61
	Clay, bentonitic (?), silty, yellow-buff	4	65
	Silt, tan and gray; containing sand and gravel	9	74
	Gravel, sand, and caliche; gray and buff	30	104
	Silt, caliche, and sand; tan to gray	7	111
	Gravel, sand, and caliche; yellow-gray	19	130
	Sand, gravel, and clay; yellow-gray	15	145
	Silt, caliche, and sand; yellow-gray	7	152
	Gravel	4	156
Pierre shale
	Shale, light green, mottled yellow	4	160
	Shale, gray-green and gray	15	175

29. Log of test hole 29 in the SE corner sec. 36, T. 10 S., R. 32 W. Surface altitude, 3,053.8 feet.		Thickness, feet	Depth, feet
	Soil, gray-brown to black	3	3
Sanborn formation
	Silt and very fine sand; yellow-gray	20	23
	Silt, buff to white; containing clay, fine gravel, and caliche	2	25
Ogallala formation
	Gravel, sand, and caliche	13	38
	Silt, pink-tan; containing sand, caliche, and gravel	32	70
	Gravel and sand	12	82
	Silt, sand, and caliche; tan	6	88
	Gravel and sand; buff	6	94
	Silt, gravel, and sand; buff	21	115
	Gravel and sand; buff	10	125
	Silt, sand, and gravel; gray	9	134
	Gravel and sand	7	141
	Silt, gravel, and sand	2	143
	Gravel, sand, and silt; buff	13	156
	Silt, sand, and gravel, tan	8	164
	Gravel, sand, and silt; cemented with calcium carbonate; gray	16	180
	Silt, gravel, sand, and caliche; tan to gray	35	215
Pierre shale
	Shale, green-gray and yellow	5	220
	Shale, yellow to light gray-blue	10	230
	Shale, gray	20	250

30. Log of irrigation well at Colby Experiment Station, in the NE 1/4 sec. 2, T. 8 S., R. 34 W.		Thickness, feet	Depth, feet
	Soil	6	6
Sanborn formation
	Clay, white	30	36
Ogallala formation
	Sand rock	3	39
	Sand, fine	10	49
	Clay, red	52	101
	Sand (good water sand)	7	108
	Clay, red	9	117
	Sand (good water sand)	32	149
	Clay, red	11	160

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Kansas Geological Survey, Thomas County Geohydrology
Web version Nov. 2001. Original publication date Dec. 1945.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Thomas/08_logs3.html