KGS--Trego County--Logs--T. 13 S.

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Logs of Test Holes and Wells, continued

T. 10 and 11 S. || T. 12 S. || T. 13 S. || T. 14 and 15 S.

13-21-5bbc--Sample log of test hole in SW NW NW sec. 5, T. 13 S., R. 21 W., drilled June 1961 by Bureau of Reclamation. Altitude of land surface 2,268.7 feet; depth to water 20.2 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, reddish brown	10	10
		Terrace deposits of Nebraskan(?) age
			Sand, fine to medium, contains small amount coarse sand and fine gravel	16	26
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Chalk, weathered, yellow	24	50
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, gray	21	71

13-21-7aaa--Sample log of test hole in NE NE NE sec. 7, T. 13 S., R. 21 W., near bridge; hand augered June 1958. Altitude of land surface 2,233.4 feet; dry hole.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, sandy, dark brown	2.5	2.5
			Silt, sandy, tan	1.1	3.6
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Sand, fine to coarse, silty	3.6	7.2
			Silt, light tan	0.1	7.3
			Sand, fine to coarse, silty	0.7	8.0
			Silt, very sandy	1.6	9.6
			Sand, fine, clean	0.3	9.9
			Sand, silty, tan	0.3	10.2
			Sand, fine to medium, clean	1.0	11.2
			Sand, fine, and grayish-green silt	1.7	12.9
			Sand, medium to coarse, slightly cemented	3.0	15.9
			Sand, medium to coarse, and coarse gravel; contains cemented layers	0.9	16.8
			Silt, sandy, dark brown	1.4	18.2

13-21-8abb--Drillers log of test hole in NW NW NE sec. 8, T. 13 S., R. 21 W., drilled June 1961 by Bureau of Reclamation. Altitude of land surface 2,249.3 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, light brown	7	7
			Silt, dark brown	3	10
			Silt, reddish brown	8	18
			Silt, sandy, reddish brown	12	30
		Terrace deposits of Nebraskan(?) age
			Sand, medium to coarse, clean	2	32
			Clay, brown	1	33
			Sand, medium, clean	2	35
			Clay, light brown	2	37
			Sand, medium, silty	1	38
			Sand, clean	4	42
			Sand, fine to coarse, clean	5	47
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Chalk, weathered, yellow	47	58
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, gray	15	73

13-21-8dad--Drillers log of test hole in SE NE SE, sec. 8, T. 13 S., R. 21 W., drilled June 1961 by Bureau of Reclamation. Altitude of land surface 2,223.2 feet; depth to water 43.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, light brown	4	4
			Silt, reddish brown	20	24
			Sand, fine to medium, clean	2	26
			Sand, very fine, silty	1	27
			Sand, fine to medium, clean	5	32
			Sand, medium to coarse, clean	1	33
			Silt, sandy, brown	4	37
			Sand, fine, silty	5	42
			Sand, fine to medium, clean	3	45
			Sand, fine, silty	4	49
			Volcanic ash, very light gray; lower 0.2 foot contains brown clay	1	50
			Sand, fine to medium, clean	12	62
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, hard, gray	48	110
		Carlile Shale
			Shale, very dark gray	31	141

13-21-8ddd--Sample log of test hole in SE SE SE Sec. 8, T. 13 S., R. 21 W., 50 feet west and 10 feet north of center of crossroads; drilled September 1960. Altitude of land surface 2,205.9 feet; depth to water 28.2 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, sandy, brown; lower part light brown	9	9
			Silt, heavy, dark brown	3	12
			Silt, clayey, tough, light brown	13	25
			Sand, medium to very coarse, clean, loose; contains small amount fine gravel	11	36
			Silt, heavy, dark blue gray	6	42
			Gravel, fine to medium, and very coarse sand	3	45
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, light gray upper part, gray lower part; contains hard cemented layer upper 2 feet	15	60

13-21-16bab--Drillers log of test hole in NW NE NW sec. 16, T. 13 S., R. 21 W., drilled July 1961 by Bureau of Reclamation. Altitude of land surface 2,213.4 feet; depth to water 49.7 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, light brown	8	8
			Silt, reddish brown	7	15
			Sand, fine to medium, clean	6	21
			Silt, compact	8	29
			Sand, fine to medium, clean	19	48
			Silt, light brown	20	68
			Sand, clean	1	69
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Fort Hays Limestone Member
			Limestone, shaly, gray	34	103
		Carlile Shale
			Shale, very dark gray	22	125

13-21-16bcb--Sample log of test hole in NW SW NW sec. 16, T. 13 S., R. 21 W., 0.27 mile south of NW cor. sec. 16, at edge of driveway to farm home; drilled September 1960. Altitude of land surface 2,203.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, sandy lower part, light brown	10	10
			Silt, very sandy, light tan	10	20
			Sand, medium to very coarse, and fine gravel; upper part contains limy silt layers; lower 2 feet cemented	8	28
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, gray	12	40

13-21-16cbc--Sample log of test hole in SW NW SW sec. 16, T. 13 S., R. 21 W., 0.3 mile north of SW cor. sec. 16, 35 feet south of bridge, at edge of road; augered July 1960. Altitude of land surface 2,173.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Sand, medium to coarse, clean	3	3
			Sand, coarse to very coarse, clean	5	8
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, blue gray	5.5	13.5

13-21-16dad--Drillers log of test hole in SE NE SE sec. 16, T. 13 S., R. 21 W., drilled August 1961 by Bureau of Reclamation. Altitude of land surface 2,190.3 feet; depth to water 29.8 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, brown	6	6
			Silt, sandy, brown; contains small amount of chalk gravel at base	2	8
			Silt, sandy, brown	17	25
			Sand, fine to medium, and chalk gravel	2	27
			Sand, fine, silty	5	32
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, weathered, light yellow	34	66
		Carlile Shale
			Shale, very dark gray; contains 0.5 foot fine sand at top	3	69

13-21-16dbb--Drillers log of test hole in NW NW SE sec. 16, T. 13 S., R. 21 W., drilled July 1961 by Bureau of Reclamation. Altitude of land surface 2,183.9 feet; depth to water 20.6 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Silt, clayey	2	2
			Silt, light brown	5	7
			Silt, very dark brown	4	11
			Silt, dark gray	9	20
			Silt, dark brown	7	27
			Silt, very dark brown	4	31
			Sand, fine to medium, clean	9	40
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, yellow and light gray	28	68
		Carlile Shale
			Shale, very dark gray	23	91

13-21-16dda--Drillers log of test hole in NE SE SE sec. 16, T. 13 S., R. 21 W., drilled August 1961 by Bureau of Reclamation. Altitude of land surface 2,187.3 feet, depth to water 26.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, dark brown	2	2
			Silt, brown	25	27
			Silt, sandy, light brown	3	30
			Silt, brown	4	34
			Silt, dark brown	3	37
			Silt, brown	3	40
			Silt, sandy, very dark brown	7	47
			Sand, fine to medium, clean	13	60
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Fort Hays Limestone Member
			Chalk, weathered, dark gray	2	62
		Carlile Shale
			Shale	2	64

13-21-17daa--Sample log of test hole in NE NE SE sec. 17, T. 13 S., R. 21 W., 0.45 mile north of SE cor. sec. 17, 500 feet north of bridge, at edge of road; augered July 1960. Altitude of land surface 2,186.0 feet; depth to water 15.35 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Sand, very fine, silty	3.5	3.5
			Sand, fine to medium, silty	6.5	10
			Silt, heavy, tan brown	2	12
			Sand, medium to coarse, clean	4	16
			Sand, medium to very coarse, clean	9	25
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, chalky, light gray	3.5	28.5

13-21-17dda--Sample log of test hole in NE SE SE Sec. 17, T. 13 S., R. 21 W., 0.18 mile north of SE cor. sec. 17, 250 feet south of driveway to farm home, at edge of road; augered July 1960. Altitude of land surface 2,193.3 feet; depth to water 20.1 feet.				Thickness, feet	Depth, feet
			Road fill	5	5
Neogene
	Pleistocene
		Alluvium
			Silt, tan brown	8.5	13.5
			Silt, light tan	5	18.5
			Silt, sandy, tan; contains streaks of silty clay	1.5	20
			Sand, fine to coarse, silty	5	25
			Silt, clayey, tan	2	27
			Sand, medium to very coarse, clean	13	40
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, chalky, light blue gray	3.5	43.5

13-21-20aad--Sample log of test hole in SE NE NE sec. 20, T. 13 S., R. 21 W., 0.2 mile south of NE cor. sec. 20, at edge of road; augered July 1960. Altitude of land surface 2,209.6 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Silt, brown	5	5
			Silt, sandy, tan brown	2	7
			Silt, clayey, tan; contains small amount sand	8	15
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Clay, limy, pink and gray (weathered chalk)	5	20
			Shale, chalky, blue gray	3.5	23.5

13-21-21bbb--Sample log of test hole in NW NW NW sec. 21, T. 13 S., R. 21 W., 25 feet south and 8 feet east of center of crossroads; augered July 1960. Altitude of land surface 2,197.6 feet; depth to water 22.65 feet.				Thickness, feet	Depth, feet
			Road fill	3.5	3.5
Neogene
	Pleistocene
		Alluvium
			Silt, tan brown	5	8.5
			Silt, slightly sandy, tan	6.5	15
			Silt, tough, tan brown	10	25
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Clay (weathered chalk)	10	35
			Chalk, light gray	8.5	43.5

13-21-26ddd--Sample log of test hole in SE SE SE sec. 26, T. 13 S., R. 21 W., 150 feet north of SE cor. sec. 26, at edge of road; drilled September 1960. Altitude of land surface 2,308.2 feet; depth to water 23.65 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt, sandy, light brown	10	10
			Sand, fine to coarse; contains limy layers	5	15
			Silt, sandy, limy, cemented	5	20
			Sand, fine, very silty, limy	1	30
			Sand, fine to medium, silty, cemented	10	40
			Sand, fine to coarse, limy, cemented	8	48
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, dark gray	7	55

13-21-29ada--Drillers log of test hole in NE SE NE Sec. 29, T. 13 S., R. 21 W., drilled July 1961 by Bureau of Reclamation. Altitude of land surface 2,384.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Limestone, hard, light gray	5	5
			Silt, sandy, lightly cemented	7	12
			Sand, fine to medium, loose	11	23
			Sand, fine, and silt; contains limy layers	5	28
			Sand, fine; contains cemented limy layers	18	46
			Limestone, sandy, hard, very light gray	6	52
			Silt, sandy; contains cemented layers	4	56
			Limestone, sandy, hard, gray	4	60
			Silt, limy, gray	2	62
			Silt, sandy; contains cemented layers	5	67
			Sand, fine to medium	1	68
			Silt, sandy, gray	1	69
			Silt, light yellow	3	72
			Silt, sandy, light green	6	78
			Sand, fine to medium, loose	16	94
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Chalk, gray to white	46	140

13-21-31bbb--Sample log of test hole in NW NW NW sec. 31, T. 13 S., R. 21 W., 25 feet east and 10 feet south of center of crossroads; drilled September 1960. Altitude of land surface 2,360.0 feet; depth to water 28.5 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Sand, fine to very coarse, and fine gravel; upper 2 feet silty, lower part cemented	10	10
			Silt, limy, sandy, cemented	10	20
			Sand, medium to very coarse, and fine to medium gravel	10	30
			Silt, clayey, tough	10	40
			Sand, fine to very coarse, and fine gravel; contains limy streaks	7	47
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, clayey, weathered, light tan	13	60
			Shale, chalky, light gray	10	70
			Shale, chalky, gray	5	75

13-22-8aad--Sample log of test hole in SE NE NE sec. 8, T. 13 S., R. 22 W., near edge of terrace, at edge of road; drilled October 1957. Altitude of land surface 2,280.6 feet; depth to water 15.6 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Silt, brown	3	3
			Silt, tan	4	7
			Silt, dark brown	1	8
			Silt, tan	4	12
			Sand, fine to coarse, and gravel	3	15
			Silt, brown	7	22
			Silt, blue gray	3	25
			Silt, brown	3	28
			Silt, blue gray	6	34
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Limestone, shaly, gray	6	40

13-22-8ada--Sample log of test hole in NE SE NE sec. 8, T. 13 S., R. 22 W., 200 feet south of bridge, at edge of road; drilled October 1957. Altitude of land surface 2,277.3 feet; depth to water 9.05 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Silt, sandy, dark brown	5	5
			Sand, fine, silty	5	10
			Sand, fine to coarse	6	16
			Silt, blue gray	9	25
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Limestone, shaly, gray	5	30

13-22-8add--Sample log of test hole in SE SE NE sec. 8, T. 13 S., R. 22 W., at edge of road; drilled October 1957. Altitude of land surface 2,273.9 feet; depth to water 8.94 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Alluvium
			Sand, fine, and dark tan silt	4	4
			Silt, dark tan; contains thin layers of chalk gravel	7	11
			Sand, fine to coarse	8	19
			Sand, fine to coarse, and chalk gravel; contains layer of blue-gray silt	11	30
			Sand, fine to coarse; contains a small amount of blue-gray silt	7	37
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, dark gray	8	45

13-22-12bbb--Sample log of test hole in NW NW NW sec. 12, T. 13 S., R. 22 W.; drilled October 1957. Altitude of land surface 2,281.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, dark brown	3	3
			Silt, tan	6	9
		Grand Island, Sappa, and Crete formations, undifferentiated (terrace deposits)
			Sand and gray silt, limy; contains cemented streaks	4	13
			Silt, sandy, tan	4	17
			Sand, fine to coarse	2	19
			Silt, sandy, tan	2	21
			Silt, sandy, tan; contains cemented limy layers	4	25
			Sand, fine to medium, and tan silt; contains cemented limy layers	4	29
			Silt, sandy, light tan; contains cemented limy layers	7	36
			Sand, coarse, and yellow silt	1	37
			Sand, fine to coarse, and chalk gravel; contains cemented limy silt	5	42
			Gravel, chalk, and medium to coarse sand	5	47
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, weathered, yellow	1	48
			Shale, dark gray	2	50

13-22-29ccc--Sample log of test hole in SW SW SW sec. 29, T. 13 S., R. 22 W., 25 feet east and 10 feet north of center of crossroads; drilled September 1960. Altitude of land surface 2,412.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt and fine to coarse sand, limy	10	10
			Sand and limy silt, cemented	10	20
			Gravel, fine, and very coarse sand	15	35
			Silt, very limy, cemented	5	40
			Silt, sandy, limy	10	50
			Sand, fine to coarse, limy, cemented	10	60
			Gravel, medium to fine, and coarse sand	10	70
			Sand, medium to very coarse, clean 10	80
			Sand, fine to coarse, clean	10	90
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, weathered, light gray	14	104
			Shale, dark gray	6	110

13-23-2bbb--Sample log of test hole in NW NW NW sec. 2, T. 13 S., R. 23 W., 40 feet east of NW cor. sec. 2, at edge of road; drilled September 1960. Altitude of land surface 2,400.0 feet; depth to water 42.0 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt, limy, light brown	6	6
			Silt, very limy, light gray to white	5	11
			Sand, fine, silty	9	20
			Silt and fine sand, limy; contains cemented streaks	9	29
			Sand, fine to very coarse, loose; contains small amount fine gravel	14	43
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, clayey, tough, light gray and brown	7	50
			Chalk, white and light gray	8	58
			Shale, chalky, gray	7	65

13-23-28ddd--Sample log of test hole in SE SE SE Sec. 28, T. 13 S., R. 23 W., 35 feet west and 15 feet north of center of crossroads; drilled September 1960. Altitude of land surface 2,369.5 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt, light brown	10	10
			Sand, fine to coarse, silty, limy	12	22
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, dark gray	8	30

13-24-1aaa--Sample log of test hole in NE NE NE sec. 1, T. 13 S., R. 24 W., 500 feet west and 5 feet south of NE cor. sec. 1; drilled October 1957. Altitude of land surface 2,437.2 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt, tan	3	3
			Silt and fine sand; contains limy streaks	3	6
			Silt, tan	2	8
			Silt, tan, and fine to medium sand	2	10
			Sand and gravel	2	12
			Silt, very limy, and medium to coarse sand; contains a small amount of gravel	4	16
			Silt, white, yellow, and dark gray; contains limy layers	8	24
			Sand, fine to coarse, and gray and white silt; contains a small amount of gravel	6	30
			Sand, fine to coarse; contains a small amount of gravel	10	40
			Sand, fine to coarse, and gravel	14	54
			Silt, yellow and dark gray	4	58
			Gravel, contains layers of silt	2	60
			Sand, fine to coarse; contains layers of silt and a small amount of gravel	10	70
			Sand, fine to coarse, and tan and gray silt	15	85
			Silt, sandy, limy, white and tan	12	97
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, dark gray	3	100

13-24-29ccc--Sample log of test hole in SW SW SW sec. 29, T. 13 S., R. 24 W., 50 feet east and 25 feet north of center of crossroads; drilled August 1960. Altitude of land surface 2,393.4 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, heavy, dark brown	5	5
			Silt, light tan	5	10
			Silt, sandy, tan	8	18
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, chalky, cream tan	12	30

13-24-36aaa--Sample log of test hole in NE NE NE sec. 36, T. 13 S., R. 24 W., 75 feet west and 20 feet south of center of crossroads; drilled September 1960. Altitude of land surface 2,371.8 feet; depth to water 9.3 feet.				Thickness, feet	Depth, feet
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Silt, dark brown	7	7
			Shale, weathered, light gray	4	11
			Shale, dark gray	9	20

13-25-2bbb--Sample log of test hole in NW NW NW sec. 2, T. 13 S., R. 25 W., 30 feet east and 8 feet south of NW cor. sec. 2; drilled September 1957. Altitude of land surface 2,518.5 feet; depth to water 65.8 feet.				Thickness, feet	Depth, feet
Neogene
	Pliocene
		Ogallala Formation
			Silt, brown upper part and tan lower part	5	5
			Sand, fine to coarse	1	6
			Silt, limy streaks, tan	1.5	7.5
			Sand, fine to coarse, limy streaks	1	8.5
			Silt, tan	5.5	14
			Sand, fine to coarse	4	18
			Sand and silt, limy, cemented hard; contains a very hard cemented limy bed at top	6	24
			Sand, fine to coarse	5	29
			Silt and fine to coarse sand, limy; contains thin cemented layers	9.5	38.5
			Sand, fine to coarse, and limy silt, cemented	6.5	45
			Silt, sandy, limy streaks, tan and white	3	48
			Sand, fine, and tan to pink silt	15	63
			Sand, fine, limy streaks; contains cemented layers	16	79
			Silt, yellow tan	7	86
			Silt, sandy, very limy, white	6	92
			Silt, and fine sand, limy	5	97
			Limestone, hard	1	98
			Silt, Soft, reddish	5	103
			Silt, sandy, reddish tan	5	108
			Silt, sandy, gray	6	114
			Sand, medium to coarse	5	119
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, weathered, light tan to white in upper part, brownish in lower	11	130
			Shale, brown	7	137

13-25-14bbb--Sample log of test hole in NW NW NW sec. 14, T. 13 S., R. 25 W., 30 feet south and 5 feet east of NW cor. sec. 14; drilled September 1957. Altitude of land surface 2,489.6 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, brown	2	2
			Silt, dark gray	3	5
			Silt, reddish tan	7	12
	Pliocene
		Ogallala Formation
			Sand, medium to coarse, and gravel, limy streaks	3	15
			Sand, medium to coarse, and light tan to yellow silt; contains a small amount of gravel	6	21
			Sand, fine to coarse, and fine gravel; contains thin layers of tan to yellow silt	12	33
			Sand, fine to coarse, and gravel	2	35
			Silt, tan, white and dark gray	9	44
			Sand, fine to coarse, and very limy silt; contains cemented layers	8	52
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, weathered, tan and white	12	64
			Shale, tan and brown	6	70
			Shale, brown and dark gray	10	80

13-25-14ccc--Sample log of test hole in SW SW SW sec. 14, T. 13 S., R. 25 W., 25 feet north and 5 feet east of SW cor. sec. 14; drilled August 1957. Altitude of land surface 2,458.4 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, brown	2	2
			Silt, tan; contains a thin layer of gravel and sand at base	3	5
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Chalk, weathered, shaly	2	7
			Chalk, hard	3	10

13-25-19aaa--Sample log of test hole in NE NE NE sec. 19, T. 13 S., R. 25 W., 30 feet west and 10 feet south of center of crossroads; drilled September 1960. Altitude of land surface 2,450.4 feet.				Thickness, feet	Depth, feet
Neogene
	Pleistocene
		Peoria and Loveland formations
			Silt, dark brown	5	5
	Pliocene
		Ogallala Formation
			Silt, sandy, very limy	7	12
Cretaceous
	Upper Cretaceous
		Niobrara Chalk--Smoky Hill Chalk Member
			Shale, creamy tan	8	20

T. 10 and 11 S. || T. 12 S. || T. 13 S. || T. 14 and 15 S.

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Kansas Geological Survey, Geology
Placed on web Dec. 12, 2008; originally published June 1965.
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The URL for this page is http://www.kgs.ku.edu/General/Geology/Trego/09_logs3.html