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Kansas Geological Survey, Bulletin 165, pt. 3, originally published in 1963
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Appendix--Test-Hole Logs and Ceramic Properties

Cloud County

C-12
Test hole BM-2
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1529.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Clay, yellow, weathered. 4.8 4.8 4.07 18.3 2 Red 4.97 6.72 7.96 10.69 0.74 STS
4 Red 5.72 7.47 7.20 10.49 0.69 HTS
B Clay, light gray with yellow. 2.2 7.0 4.38 15.7 2 Pink buff 1.49 5.97 6.72 8.63 0.78 HS
4 Pink buff 2.22 6.70 5.58 8.25 0.67 HTS
C Clay, light gray. 4.0 11.0 5.11 16.0 2 Pink buff 2.96 6.66 4.97 5.38 0.92 HTS
4 Pink buff 3.70 7.40 3.46 3.96 0.87 HTS
D Clay, medium gray with yellow. 2.5 13.5 4.61 6.6 2 Buff 0.72 0.72 9.48 11.90 0.80 STS
4 NO SAMPLE FIRED            
E Sand. 1.0 14.5                    
F Clay, light gray with yellow. 4.1 18.6 5.16 17.9 2 Orange red 3.01 8.27 4.01 4.54 0.88 HTS
4 Orange red 3.76 9.02 2.43 2.67 0.91 HTS
G Clay, light gray with red and yellow. 7.4 26.0 5.68 19.2 2 Red 4.48 8.57 2.73 2.97 0.92 HTS
4 Red 5.19 8.89 1.78 2.25 0.79 HTS

C-12
Test hole BM-11
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1539.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, yellow. 2.0 2.0                    
B Clay, light gray and yellow 2.0 4.0 6.23 17.5 2 Red 4.45 8.15 5.08 7.03 0.72 HTS
4 Red 4.45 8.15 3.99 6.06 0.66 HTS
C Clay, light gray, red and yellow. 3.5 7.5 4.77 16.8 2 Red 5.97 10.45 3.24 3.78 0.86 HTS
4 Red 3.37 8.21 2.50 2.89 0.87 HTS
D Clay, gray and yellow. 4.0 11.5 5.35 19.4 2 Light pink brown 5.97 10.45 3.77 3.95 0.95 HTS
4 Light brown 4.48 8.96 1.49 2.15 0.69 HTS
E Clay, dark gray with yellow; some concretionary sand. 3.0 14.5 2.50 12.6 2 Pink buff 0.00 2.19 9.00 12.12 0.74 STS
4 Pink buff 0.75 2.94 8.38 12.17 0.69 STS
F Clay, sandy or silty. 9.0 23.5                    

C-12
Test hole 17
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1582.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Sandstone, brown to yellow, argillaceous. 4.8 4.8 5.53 17.0 2 Dark brown 2.94 2.94 14.14 17.02 0.83 STS
5 Dusky red 3.68 3.68 12.96 16.48 0.79 STS
B Clay, gray. 0.5 531 6.78 13.8 2
5		 Medium orange sandstone.
Light reddish brown		 1.47
2.94		 5.15
4.41		 8.12
6.22		 11.21
9.47		 0.72
0.66		 STS
HS
C Sandstone and clay mixed. 2.2 7.5
D Clay, tan and yellow; hard, brown 0.5 8.0
E Sand, buff and gray, grading into gray clay. 1.5 9.5
F Clay, gray. 1.5 11.01 2.58 12.3 2
5		 Red
Red		 0.00
0.00		 0.00
0.00		 16.62
15.21		 21.68
19.69		 0.77
0.77		 STS
STS
G Sand, brown and yellow; clay streaks. 12.0 23.0
H Clay, yellow and gray. 0.5 23.5
I Clay, light gray, some tan. 2.0 25.5                    
J Clay, light gray with red and lavender-brown mottling. 7.5 33.0 6.55 19.2 2 Orange red 4.08 7.10 6.96 7.59 0.92 HTS
5 Light red 4.46 7.48 3.38 3.36 0.93 HTS
K Clay, light gray, slightly lavender. 3.0 36.0                    
L Clay, gray, purplish-tan. 5.0 41.0 8.51 19.8 2 Orange red 4.48 10.45 0.49 0.74 0.66 HTS
5 Reddish brown 5.97 10.45 0.17 0.25 0.68 HTS
M Clay, light gray, some red and brown. 2.0 43.0                    
N Clay, gray and brown. 7.0 50.0 7.59 19.7 2 Red 3.76 9.02 7.01 7.55 0.93 STS
5 Red 5.59 10.05 2.12 2.56 0.83 HTS
O Clay, light gray with sparse red and tan. 3.5 53.5 6.70 16.8 2 Orange red 2.24 6.72 6.47 8.89 0.73 HTS
P Clay, light gray, slightly red. 2.5 56.0 5 Light red 8.73 8.21 4.73 7.20 0.66 HTS
Q Clay, light gray. 6.0 62.0 4.48 14.8 2 Orange red 3.70 4.44 7.18 9.74 0.74 HTS
5 Mottled red 5.23 5.97 5.06 8.13 0.62 STS
R Clay, gray to light gray. 4.0 66.0 5.11 14.5 2 Red 1.48 5.18 7.77 11.32 0.69 HTS
5 Orange red 1.48 5.18 5.97 9.87 0.60 STS

C-12
Test hole 18
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1578.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, clay, and sandstone mixture; brown. 4.0 4.0                    
B Clay, gray with tan and yellow. 3.7 7.7 6.62 22.4 2 Dark red 1.49 3.71 9.16 10.75 0.85 HS
5 Red 2.96 5.18 5.01 6.48 0.77 HTS
C Sandstone, brown, alternating with yellow and gray clay in 1.0-foot to 1.5-foot beds. 17.2 24.9 3.77 15.7 2 Dark red 0.00 0.00 12.54 17.01 0.74 STS
5 Red 0.72 0.72 11.32 16.12 0.70 STS
D Clay, light gray, silty. 4.1 29.0                    
E Clay, light gray and red mottled. 3.0 32.0                    
F Clay, light gray, changing to tan and brown. 5.0 37.0                    
G Clay, very light gray, some sand. 6.5 43.5 7.84 17.0 2
5		 Orange red
Light red		 4.48
5.22		 7.10
7.84		 7.74
5.25		 9.31
7.72		 0.83
0.79		 HTS
HTS
H Clay, gray with light brown or tan. 8.5 52.0
I Clay, gray with dark red, brown, and lavender. 5.0 57.0
J Clay, light gray and tan brown. 5.0 62.0 5.80 17.7 2 Orange red 2.99 7.47 8.99 10.41 0.86 HTS
5 Mottled red 2.99 7.47 6.36 8.11 0.78 HTS
K Clay, gray to light gray, red mottling toward bottom. 8.0 70.0 4.94 15.8 2 Pink 0.75 5.23 9.78 11.08 0.88 STS
5 Reddish yellow 1.49 5.97 8.33 9.71 0.86 HTS
L Clay, dark gray; sand. 6.0 76.0                    
M Clay, light gray, some red. 2.0 78.0 5.27 15.0 2 Red 3.68 6.62 4.89 6.17 0.79 HTS
N Clay, red mottled into reddish brown. 4.0 82.0 5 Dark red 4.41 7.35 3.48 4.62 0.75 HTS

C-12
Test hole 19
Location: sec. 12, T. 8 S., R. 2 W.
Elevation 1536.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, yellow to brown. 3.0 3.0                    
B Sand, yellow and gray. 3.0 6.0 4.16 15.7 2 Red 1.49 5.97 8.03 11.58 0.69 STS
5 Red 1.49 5.97 6.26 10.20 0.61 HTS
C Clay, gray, some tan and yellow. 3.6 9.6 5.85 22.3 2 Red 4.55 10.61 3.64 3.90 0.93 HTS
5 Red 5.26 10.52 0.79 1.06 0.75 HTS
D Clay, yellow and gray. 3.9 l3.5 5.17 17.4 2 Red 2.22 5.92 7.53 9.91 0.76 HTS
5 Red 3.00 7.48 4.55 7.00 0.65 HTS
E Sand, yellow; little clay. 2.5 16.0 3.24 15.3 2 Red 1.47 4.41 8.94 11.91 0.75 STS
F Clay, yellow, some sand. 0.5 16.5 5 Red 2.26 5.18 6.89 10.14 0.68 STS
G Clay, gray, slightly yellow. 3.0 19.5 5.04 19.3 2 Red 4.48 8.96 4.08 4.41 0.93 HTS
5 Pale red 4.48 8.96 0.90 1.14 0.79 HTS
H Clay, gray, some red. 2.5 22.0 4.72 19.8 2 Red 3.76 9.02 5.10 6.57 0.78 HTS
5 Red 5.26 10.52 2.11 2.44 0.86 HTS
I Clay, yellow, with sandstone. 2.0 24.0 5.42 15.7 2
5		 Brown red
Dark red		 4.48
5.48		 8.96
9.96		 10.31
7.80		 14.57
11.90		 0.71
0.66		 STS
STS
J Sandstone, hard, brown. 0.9 24.9
K Sand, yellow to gray. 8.6 33.5
L Clay, yellow, red, and gray. 3.5 37.0 6.10 19.3 2 Red 5.22 9.70 1.90 2.69 0.71 HTS
5 Red 5.97 10.45 0.95 1.35 0.70 HTS

C-12
Test hole 20
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1548.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residium. 2.0 2.0                    
B Sand, tan to buff. 6.5 8.5                    
C Clay, light gray and slightly yellow. 23.5 32.0 2.42 12.7 2 Pink buff 0.00 2.94 7.72 10.27 0.75 STS
5 Pink buff 0.76 3.70 6.69 9.27 0.72 STS
D Clay, gray with slight red and yellow. 6.4 38.4 5.31 18.0 2 Orange red 3.00 7.48 5.53 6.73 0.82 HTS
E Clay, gray. 2.0 40.4 5 Light reddish brown 3.73 8.21 3.55 4.65 0.76 HTS
F Clay, red and gray. 6.6 47.0 5.43 16.0 2 Red 5.14 8.08 338 3.61 0.94 HTS
5 Red 5.15 8.09 0.97 1.34 0.72 HTS

C-12
Test hole 21
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1521.4 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, reddish. 2.5 2.5 3.52 16.7 2 Red 1.49 5.97 9.32 14.22 0.66 STS
5 Red 1.49 5.47 8.56 13.23 0.65 STS
B Clay, light gray. 1.0 3.5 2.27 10.4 2
5		 Red
Red		 +1.44*
0.00		 0.00
1.45		 8.90
8.00		 12.36
11.45		 0.72
0.70		 STS
STS
C Sand, buff and yellow. 2.5 6.0
D Clay, light gray, sandy 2.0 8.0
E Sand, yellow; clay, gray. 3.5 11.5
F Clay, light gray. 1.0 12.5 1.49 16.9 2 Mottled red 1.48 5.18 2.44 3.88 0.62 HTS
5 Mottled red 3.70 7.40 2.86 3.21 0.89 HTS
G Clay, red and gray. 3.5 16.0 5.45 18.1 2 Red 3.01 8.27 6.32 9.77 0.65 HTS
5 Red 4.48 8.96 4.72 7.87 0.60 HTS
(+) indicates expansion.

C-12
Test hole 22
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1537.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, reddish brown (Pleistocene). 7.6 7.6 4.75 18.2 2 Red 0.75 5.23 10.47 14.39 0.73 STS
5 Red 1.49 5.97 9.49 13.79 0.69 HTS
B Clay, light gray, silty. 1.4 9.0 5.05 16.1 2 Orange red 1.49 5.97 7.29 9.50 0.77 STS
C Clay, light gray, red toward base. 4.0 13.0 5 Red 2.24 6.72 5.40 7.60 0.71 HTS
D Clay, yellow and gray, some silt. 5.0 18.0 5.04 17.8 2 Red 2.99 7.47 6.42 7.69 0.83 HTS
5 Orange red 2.99 7.47 4.87 6.47 0.75 HTS
E Clay, red to gray. 4.6 22.6 4.83 16.9 2 Pink buff 1.02 5.99 9.47 10.71 0.88 HS
5 Pink buff 2.18 8.17 8.12 9.30 0.88 HTS
F Clay, dark gray, some silt layers. 6.4 29.0 3.64 10.8 2 Pink buff +2.26* 3.00 8.98 10.87 0.83 STS
5 Pink buff +1.50* 3.76 8.14 10.20 0.70 HTS
G Clay, gray; sand, hard, gray. 3.5 32.5                    
H Clay, light gray. 2.5 35.0 5.29 18.1 2 Mottled orange 4.48 8.96 3.62 4.35 0.83 HTS
5 Medium red 1.55 4.49 1.55 2.04 0.76 HTS
I Clay, light gray, red and brown. 1.9 36.9 4.97 17.9 2 Pink red 4.45 8.15 3.85 4.38 0.88 HTS
5 Mottled red 5.26 8.96 1.97 2.12 0.93 HTS
* (+) indicates expansion.

C-12
Test hole 23
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1537.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residual sandstone. 1.0 1.0                    
B Clay, light gray and slightly yellow. 8.5 9.5 3.69 15.6 2 Pink buff 1.48 5.63 6.87 8.58 0.82 HTS
5 Pink buff 3.79 9.85 5.35 6.95 0.77 HTS
C Clay, light gray, increasing yellow downward. 2.5 12.0 4.71 15.0 2 Orange red 2.22 5.92 6.32 6.97 0.91 HTS
5 Mottled pink 2.96 6.66 3.40 4.55 0.75 HTS
D Clay, light gray and yellow. 4.0 16.0 4.82 14.3 2 Red 2.22 5.92 6.88 8.77 0.78 HTS
5 Red 2.94 6.64 4.87 7.01 0.69 HTS
E Clay, light gray, yellow streaks. 6.5 22.5 3.30 16.5 2 Pink buff 0.75 6.29 8.52 10.74 0.80 STS
5 Reddish yellow 2.26 7.52 6.57 9.66 0.68 HTS
F Clay, red, gray, and yellow. 6.5 29.0 4.21 17.5 2 Red 2.94 5.88 7.37 9.97 0.74 HTS
5 Red 3.70 7.40 5.47 8.20 0.67 HTS
G Clay, gray with light brown. 4.0 33.0 7.17 22.1 2 Red 5.30 11.36 0.26 0.34 0.76 HTS
5 Dark red 5.26 10.52 0.09 0.17 0.53 HTS

C-12
Test hole 24
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1575.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Sand, yellow, brown, and gray. 15.0 15.0 2.63 13.7 2 Red 0.00 0.00 15.27 21.35 0.72 STS
5 Red 0.00 0.00 15.49 21.51 0.72 STS
B Clay, light gray, silty. 10.5 25.5                    
C Clay, light gray with brown and red mottling. 11.0 36.5 7.84 17.1 2 Medium red 5.24 10.11 2.34 2.80 0.84 HTS
5 Mottled red 5.58 9.67 0.63 1.14 0.54 HTS

C-12
Test hole 25
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1589.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and sandstone, brown. 2.0 2.0                    
B Clay, yellow and light gray. 2.5 4.5                    
C Clay, light gray, some yellow streaks. 3.5 8.0 6.51 22.3 2 Pink buff 5.97 10.45 0.52 0.86 0.60 HTS
5 Pale brown 5.97 10.45 0.09 0.26 0.35 HTS
D Sand, yellow and gray. 2.0 10.0 4.24 15.8 2 Orange red layers. 1.49 5.97 6.94 8.93 0.78 STS
E Clay, yellow and gray, some sandstone. 3.5 13.5 5 Red 2.22 5.92 4.62 6.97 0.66 HTS
F Clay, dark gray. 1.0 14.5 4.03 13.5 2 Burgundy red 0.00 1.45 12.99 15.72 0.83 STS
G Sand, yellow and gray; clay, silty, alternating beds. 12.5 27.0 5 Red 0.73 2.92 11.88 15.05 0.79 STS
H Clay, dark to light gray. 3.5 30.4 8.30 14.2 2 Orange buff 0.74 4.44 10.94 12.14 0.90 STS
5 Pink 2.22 5.92 7.08 8.97 0.79 HTS
I Clay, gray and red. 2.5 33.0                    
J Clay, light gray, trace of pyrite and yellow. 13.0 46.0 5.99 18.5 2 Orange red 2.26 7.52 8.24 9.39 0.88 HTS
5 Pink 4.49 8.97 4.49 5.39 0.83 HTS
K Clay, light gray, traces of red. 14.0 60.0 5.22 18.2 2 Orange red 3.70 7.40 7.34 8.54 0.86 HTS
5 Pink 4.49 8.97 4.49 5.39 0.83 HTS
L Clay, yellow and gray; sand, fine. 6.0 66.0                    
M Clay, gray; sand; "quartzite"? at 73.5 feet. 8.5 74.5                    

C-12
Test hole 26
Location: sec. 11, T. 8 S., R. 2 W.
Elevation: 1588.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residium. 1.5 1.5                    
B Clay, gray. 4.3 5.8 7.97 25.8 2 Brown red 5.34 12.21 0.37 0.47 0.79 HTS
5 Brownish red 5.34 12.21 0.44 0.87 0.51 HTS
C Sand, yellow and brown; clay, gray and yellow. 1.7 7.5 4.21 17.6 2 Red 1.48 5.18 8.13 10.79 0.75 STS
D Clay, gray and yellow, silty. 3.0 10.5 5 Red 3.70 7.40 4.84 7.76 0.62 HTS
E Clay, gray and yellow; sand. 7.5 18.0 2.83 12.9 2 Pink red 0.50 1.45 11.42 14.85 0.77 STS
F Sand, buff. 6.5 24.5 5 Pink 0.00 1.45 10.36 14.06 0.74 STS
G Clay, light gray with tan and yellow. 6.0 30.5 4.81 14.0 2 Pink 0.74 4.44 10.10 11.95 0.85 STS
5 Pink brown 0.74 4.44 9.10 11.22 0.81 HS
H Clay, gray and red mottled. 5.5 36.0 6.51 20.4 2 Red 5.22 9.70 4.06 4.15 0.98 HTS
5 Red 5.97 10.45 0.49 1.07 0.46 HTS
I Clay, light gray with tan and yellow. 12.5 48.5 6.38 17.8 2 Orange red 4.45 8.15 4.94 5.25 0.94 HTS
5 Pink 5.52 9.73 1.49 2.03 0.73 HTS
J Clay, gray with some brown. 3.5 52.0 7.81 17.5 2 Red 4.07 7.78 5.59 6.31 0.87 HTS
5 Red 5.19 8.89 2.16 3.93 0.74 HTS
K Clay, gray with red mottling. 6.4 58.4 7.84 18.0 2 Orange red 5.88 8.82 3.21 3.61 0.89 HTS
5 Mottled red 5.15 8.09 1.03 1.59 0.65 HTS

C-12
Test hole 27
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1541.8 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, residual sandstone, and some clay. 18.0 18.0                    
B Clay, gray; sand, buff. 1.5 19.5                    
C Clay, gray, slight trace of brown. 16.5 36.0                    
D Sand, buff to light brown. 4.8 40.8                    
E Clay, gray sand mixture. 1.2 42.0 8.63 18.3 2 Red 4.45 8.15 7.51 8.96 0.84 HTS
5 Dark red 4.97 8.67 5.52 7.77 0.71 HTS
F Clay, light gray; sand, gray. 2.0 44.0 6.43 19.0 2 Red 4.41 7.35 3.78 3.86 0.98 HTS
5 Burgundy red 5.18 8.88 1.10 1.91 0.57 HTS

C-12
Test hole 28
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1542.6 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, residual sandstone, and clay. 11.0 11.0                    
B Clay, gray with tan or yellow. 10.0 21.0                    
C Clay, light gray. 1.5 22.5 4.46 17.7 2 Pink buff 2.99 7.47 6.89 7.92 0.87 HTS
5 Pink brown 3.73 8.21 4.69 5.70 0.82 HTS
D Clay, dark gray, slight tan stain. 5.0 27.5 4.36 15.5 2 Pink buff 2.21 5.15 6.66 8.00 0.83 HTS
5 Pink brown 3.70 7.40 4.20 5.31 0.79 HTS
E Clay, light gray with red mottling. 6.5 34.0                    
F Clay, gray, some red. 6.0 40.0 6.51 19.0 2 Red 5.97 10.45 1.58 2.14 0.74 HTS
5 Red 5.22 9.70 0.39 0.47 0.83 HTS

C-12
Test hole 29
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1509.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residium. 2.0 2.0                    
B Sand, yellow. 7.5 9.5                    
C Clay, gray and red mottled. 4.0 13.5 6.42 20.7 2 Brownish red 5.97 10.45 1.02 1.44 0.71 HTS
5 Brown red 5.97 10.45 0.47 0.87 0.54 HTS
D Clay, tan and gray yellow. 2.0 15.5 5.09 14.1 2 Red 0.00 3.70 7.79 9.95 0.78 STS
5 Red 0.74 4.44 6.20 9.04 0.69 HTS
E Clay, yellow and red mottled. 2.2 17.71 4.99 16.8 2
5		 Red
Red		 1.49
2.96		 5.97
6.66		 8.51
6.59		 10.73
9.18		 0.79
0.72		 HS
HTS
F Clay, yellow and gray mottled. 1.1 18.8
G Clay, gray, some yellow. 3.0 21.8
H Sand; clay, yellow. 1.5 23.3
I Clay, gray and yellow tan to red. 1.5 24.8
J Clay, light gray. 4.0 28.8 5.33 16.9 2 Pink 3.70 7.40 5.62 6.78 0.83 HS
5 Pink 5.19 8.89 2.90 4.31 0.67 HTS
K Clay, brownish gray. 1.5 30.3 7.28 24.0 2 Brownish red 6.02 11.28 1.19 1.82 0.65 HTS
L Clay, gray, trace of red and yellow. 3.5 33.8 5 Brownish red 6.02 11.28 0.46 1.10 0.42 HTS
M Clay, gray, some dark red, hematite. 2.0 35.8 5.90 17.0 2
5		 Pink
Pink		 2.26
2.99		 7.52
8.25		 7.18
4.88		 9.67
7.55		 0.74
0.65		 STS
HTS
N Clay, light gray. 4.5 40.3
O Clay, gray with red. 1.5 41.8

C-12
Test hole 30
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1538.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and sand. 1.5 1.5                    
B Clay, gray and yellow. 3.5 5.0 4.14 16.9 2
4		 Pink
Medium red		 2.23
2.60		 6.32
6.69		 7.18
6.46		 8.79
8.50		 0.82
0.77		 HS
HTS
C Clay, gray with tan to red. 3.2 8.2
D Clay, reddish brown, some gray. 8.2 16.4
E Clay, light gray, red and yellow. 3.4 19.8
F Sandstone, dark brown. 1.2 21.0                    
G Clay, light gray, slight yellow. 7.0 28.0                    
H Clay, dark to light gray. 2.4 30.4                    
I Sand, gray; some clay. 1.6 32.0                    

C-12
Test hole 32
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1540.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residium. 2.0 2.0                    
B Clay, yellow and gray. 1.5 3.5 4.81 13.5 2 Pink buff 1.48 5.18 6.61 7.48 0.88 HTS
C Clay, gray, few yellow streaks. 3.3 6.8 4 Light buff 1.48 5.18 6.25 7.65 0.82 HTS
D Clay, light gray. 3.0 9.8 3.89 18.8 2 Light buff 2.24 6.72 8.25 9.94 0.87 STS
4 Light buff 2.99 7.47 6.93 8.76 0.79 HTS
E Clay, gray changing to yellow. 1.1 10.9 4.63 14.0 2 Red brown 2.21 5.15 5.66 6.76 0.84 HS
4 Red brown 2.21 5.15 5.08 6.56 0.77 HTS
F Clay, yellowish red. 1.8 12.7 4.47 15.3 2 Pink 1.49 5.97 6.66 8.07 0.83 HTS
4 Red brown 2.22 6.70 5.92 7.82 0.76 HTS
G Clay, gray with yellow. 2.3 15.0 4.32 17.4 2 Brown buff 2.24 6.72 6.96 8.19 0.85 HS
4 Red brown 3.01 8.27 5.79 7.72 0.75 HTS
H Clay, gray. 2.4 17.4                    
I Clay, gray, some yellow. 2.5 19.9                    
J Ironstone, concretionary, hard, underlain by yellow and red clay. 1.2 21.1                    
K Clay, dark gray. 2.9 24.0 4.66 15.5 2 Pink buff 0.75 5.23 8.71 10.48 0.83 STS
4 Pink 1.49 5.97 8.39 10.83 0.77 STS
L Clay, gray, some yellow. 2.0 26.0                    
M Clay, gray and light yellow. 4.3 30.3 4.97 19.6 2 Pink 4.48 8.96 4.33 4.65 0.93 HTS
4 Orange red 3.76 9.02 3.35 3.76 0.89 HTS
N Clay, light gray with red mottling. 4.1 34.4                    
O Clay, brown, tan, and gray. 2.8 37.2 6.01 17.2 2 Red 4.45 8.15 2.21 2.51 0.88 HTS
4 Red 5.15 8.90 1.76 2.52 0.70 HTS
P Clay, light brown to brown. 1.8 39.0                    

C-12
Test hole 33
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1537.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residual sandstone. 2.0 2.0                    
B Clay, light gray, yellow stain. 8.9 10.9 2.97 17.1 2 Light buff 0.75 5.23 9.81 11.42 0.86 HTS
4 Light buff 3.73 8.21 9.21 10.96 0.84 HTS
C Clay, light gray with light yellow and red. 3.4 14.3 6.14 22.1 2 Red 5.30 11.36 1.55 1.88 0.82 HTS
4 Red 6.06 12.12 1.04 1.74 0.60 HTS
D Clay, light gray with yellow, red, and lavender stain. 6.7 21.0 5.87 22.0 2 Red 5.26 10.52 0.17 0.26 0.65 HTS
E Clay, gray and sandy; sand, yellow. 1.5 22.5 4 Red 5.88 11.21 0.18 0.44 0.41 HTS
F Clay, gray; fine sand. 1.9 24.4 3.67 14.9 2 Orange red 2.21 5.15 7.84 10.27 0.76 HTS
G Clay, gray; sand, yellow. 2.6 27.0 4 Orange red 2.21 5.15 6.75 9.21 0.71 HTS
H Clay, varying shades of gray; some thin concretionary sand. 14.0 41.0 7.81 16.8 2 Brown red 5.22 9.70 1.27 1.59 0.80 HTS
4 Brownish red 2.21 5.15 0.78 1.40 0.56 HTS
I Clay, very light gray. 6.4 47.4 7.21 13.4 2 Pink buff 2.21 5.15 7.34 7.90 0.93 HTS
4 Pink yellow brown 6.67 10.37 6.31 8.29 0.76 HTS
J Clay, light gray; sand, yellow and buff. 2.6 50.0                    
K Clay, light gray, gritty. 2.5 52.5                    
L Clay, gray and red mottled. 2.5 55.0                    

C-12
Test hole 34
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1575.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residual sandstone, yellow and brown. 2.5 2.5                    
B Clay, gray. 1.5 4.0                    
C Sandstone, clayey, yellow; clay, light gray, silty in alternating thin beds. 13.5 17.5                    
D Clay, very light gray; thin white kaolin at top. 4.3 21.8 4.83 16.5 2 Light buff 0.75 5.23 10.46 11.23 0.93 HS
4 Light buff 0.75 5.23 9.75 11.20 0.87 STS
E Clay, very light gray, red, brown, and yellow traces. 3.2 25.0 6.16 18.0 2 Orange red 2.99 7.47 8.13 8.99 0.90 HTS
4 Red 3.01 8.27 6.49 7.83 0.83 HTS
F Clay, light gray, red, brown, greenish-tan bands. 8.0 33.0 7.19 20.0 2 Red 6.62 9.56 2.61 2.87 0.92 HTS
4 Red 6.62 9.56 0.49 0.90 0.54 HTS
G Clay, light gray, pink and red. 4.5 37.5 5.49 19.1 2 Pink buff 1.49 5.97 8.33 8.88 0.94 HTS
4 Pink 3.73 8.21 6.23 7.18 0.87 HTS
H Clay, very light gray, some red specks, and brown. 5.0 42.5                    
I Clay, red and gray. 1.5 44.0                    
J Clay, dark gray with red and brown. 1.0 45.0                    

C-12
Test hole 35
Location: sec. 12, T. 8 S., R. 2 W.
Elevation: 1579.9 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and sandstone, yellow and brown. 2.0 2.0                    
B Clay, gray, weather stained. 1.5 3.5 7.54 22.3 2 Red 5.22 9.70 0.88 2.10 0.42 HTS
4 Dark red 6.72 11.20 0.96 2.19 0.44 HTS
C Clay, yellow and gray; sandstone in thin layers. 16.0 19.5                    
D Clay, very light gray. 7.4 26.9 5.52 19.7 2 Light buff 3.01 8.27 7.09 8.42 0.84 HTS
4 Light buff 3.76 9.02 5.96 6.88 0.87 HTS
E Clay, very light gray, some red and brown. 2.1 29.0 7.27 20.9 2 Orange red 3.70 7.40 0.94 1.36 0.69 HTS
4 Red 6.67 10.37 0.25 0.34 0.74 HTS
F Clay, light gray. 3.5 32.5 7.40 17.9 2 Pink 5.15 8.09 4.37 4.94 0.88 HTS
4 Pink 4.41 7.35 2.64 3.39 0.78 HTS
G Clay, light gray, some brown and pink. 1.5 34.0 6.50 21.1 2 Orange red 5.97 10.45 1.09 2.18 0.50 HTS
4 Pink 5.97 10.45 0.59 1.18 0.50 HTS
H Clay, gray with slight tan and pink. 7.0 41.0 5.30 19.6 2 Pink buff 4.48 8.96 3.37 3.54 0.95 HTS
4 Pink brown 5.19 8.89 1.32 1.90 0.69 HTS
I Clay, light gray with brown and red layers. 5.0 46.0                    

C-12
Test hole 36A
Location: sec. 11, T. 8 S., R. 2 W.
Elevation: 1571.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, residual clay, and sandstone fragments. 4.0 4.0                    
B Clay, light gray to yellow. 6.0 10.0 4.53 14.9 2 Pink 0.00 3.70 11.43 12.91 0.89 STS
4 Pink 0.74 4.44 11.00 13.10 0.84 HS
C Clay and sandstone, yellow. 3.5 13.5                    
D Clay, light gray with red, brown, and yellow. 4.0 17.5                    
E Clay, gray with brown and red. 2.5 20.0 9.05 24.9 2 Red 8.21 12.69 0.18 0.37 0.49 HTS
4 Red 6.82 12.88 0.09 0.28 0.32 HTS
F Clay, light gray, some tan. 4.7 24.7 7.23 22.9 2 Red 6.06 12.12 0.41 0.58 0.71 HTS
4 Red 5.30 11.36 0.09 0.18 0.50 HTS
G Clay, gray in varying shades, some red and brown. 5.8 30.5 7.17 16.7 2 Red 2.94 5.88 8.78 9.53 0.92 HTS
4 Mottled red 4.40 7.38 7.74 8.41 0.92 HTS
H Clay, light gray. 2.0 32.5 6.86 20.1 2 Red 5.22 9.70 0.85 1.35 0.63 HTS
I Clay, light gray with brown and tan. 3.0 35.5 4 Red 5.97 12.03 0.50 1.08 0.46 HTS
J Clay, light to dark gray. 7.5 43.0 7.26 20.0 2
4		 Light brown
Light brown		 4.82
5.50		 8.52
10.82		 1.14
0.35		 1.50
0.86		 0.76
0.40		 HTS
HTS
K Sand, fine, very light gray. 2.0 45.0
L Clay, dark gray. 7.0 52.0

C-12
Test hole 37
Location: sec. 11, T. 8 S., R. 2 W.
Elevation: 1575.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and sand, fine, yellow. 5.5 5.5                    
B Clay, light gray, some yellow. 3.2 8.7                    
C Clay, very light gray, some yellow. 1.9 10.6                    
D Sand, dark yellow, clayey. 2.2 12.8                    
E Clay, near white to light gray; some red, yellow, brown, and lavender mixed in. 11.2 24.0                    
F Clay, very light gray, some tan. 6.8 30.8                    
G Clay, medium gray. 2.5 33.3 7.20 19.4 2 Red 4.45 8.15 7.11 8.50 0.84 HTS
4 Red 5.22 9.70 6.47 7.86 0.82 HTS
H Clay, medium to light gray. 2.7 36.0 5.90 13.5 2 Orange red 0.75 5.23 8.54 10.58 0.79 HTS
4 Orange red 2.99 7.47 7.01 9.17 0.76 HTS
I Clay, light gray, red and yellow. 5.5 41.5                    
J Sand, brown; clay, brown, red, and gray. 4.5 46.0                    

C-12
Test hole 38
Location: sec. 11, T. 8 S., R. 2 W.
Elevation: 1547.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, weathered clay, and sandstone (lower 3.5 feet). 4.5 4.5                    
B Clay, very light gray, some yellow. 2.5 7.0                    
C Sand; clay, yellow. 1.7 8.7                    
D Clay, light gray, some yellow. 5.3 14.0 3.53 15.1 2 Pink buff 0.74 3.67 8.95 1l.75 0.76 STS
E Sand; clay, yellow and gray. 2.5 16.5 4 Pink buff 0.74 3.68 8.25 1l.43 0.72 HTS
F Clay, dark gray, some yellow. 3.5 20.0                    
G Sand, gray, clayey. 1.5 2l.5                    
H Clay, light yellow and light gray, some red. 3.0 24.5                    
I Clay, brownish red, some gray. 2.5 27.0                    

Ellsworth County

EL-14
Test hole 1
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1577.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, upper 1.5 feet; clay, gray and red mottled, lower 2.0 feet. 3.5 3.5                    
B Sand, brown and yellow. 0.5 4.0                    
C Clay, light gray to yellow; some silt and sand. 2.0 6.0                    
D Sand, buff; clay, light gray. 10.3 16.3                    
E Clay, gray, some yellow. 7.4 23.7 5.78 18.4 2 Buff 3.70 7.40 7.20 8.09 0.89 HS
4 Buff 4.45 8.15 4.77 5.76 0.83 HTS
F Clay, medium gray with some yellow; sandstone, fine, thin hard streaks. 3.3 27.0                    
G Clay, light to dark gray; some yellow and brown sand. 11.5 38.5                    
H Clay, dark to light gray; more sand than above. 4.8 43.3 9.40 15.4 2 Red 2.24 6.72 8.90 11.26 0.79 HS
I Sand, brown; clay, dark gray. 1.9 45.2 4 Red 2.24 6.72 6.63 9.76 0.68 HTS
J Clay, medium to light gray; pyrite in lower part. 22.0 67.2 6.15 16.0 2 Brown red 3.70 7.40 5.61 8.45 0.66 HS
4 Brown red 4.45 8.15 4.17 6.64 0.63 HTS
K Clay, gray; some sand and pyrite. 8.3 75.5                    

EL-14
Test hole 8
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1559.8 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, brownish red. 2.0 2.0                    
B Clay, light gray and yellow; silt and fine sand. 3.0 5.0                    
C Clay, light gray and yellow; yellow increases with depth. 6.0 11.0 3.63 16.2 2 Buff 0.00 2.94 13.22 15.11 0.87 STS
4 Buff 1.45 4.39 12.67 14.11 0.88 HTS
D Clay, light gray. 3.0 14.0                    
E Clay, gray; sand, yellow, red, and gray. 3.0 17.0                    
F Clay, medium gray; sandstone streaks. 9.7 26.7 3.93 16.2 2 Buff 0.00 4.48 9.52 12.28 0.78 STS
4 Buff 0.00 4.48 9.12 12.40 0.74 STS
G Clay, multicolored, tan, brown, red, gray, bronze; some sand. 2.3 29.0                    
H Clay, various shades of gray; sandstone, thin layers; "quartzite" layers 10 feet above base and at base. 19.5 48.5 5.74 17.1 2 Brown 2.24 6.72 6.67 9.82 0.68 STS
4 Brown 3.73 8.21 4.40 7.18 0.61 HTS

EL-14
Test hole 9
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1562.6 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, subsoil, and clay, weathered. 9.5 9.5                    
B Clay, gray and yellow. 1.0 10.5                    
C Sandstone, brown; some clay. 0.7 11.2                    
D Clay, light to dark gray, some yellow. 4.3 15.5                    
E Clay, medium gray; some thin yellow concretion material. 0.4 15.9                    
F Clay, light to dark gray, some white. 8.6 24.5                    
G Clay, gray; fine sand. 2.5 27.0 5.96 16.4 2 Mottled buff 1.49 5.71 7.82 10.17 0.77 STS
H Clay, medium to light gray; some pyrite; some sand streaks. 30.0 57.0 4 Dark buff 3.70 7.40 6.26 8.46 0.74 HTS
I Sand, with light gray clay. 8.0 65.0                    

EL-14
Test hole 14
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1562.2 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, reddish brown. 9.0 9.0                    
B Clay, gray; some brown sandstone. 1.0 1.0                    
C Clay, light gray, some yellow streaks. 4.0 14.0 4.06 16.0 2 Very light buff 0.00 2.94 10.48 11.57 0.91 STS
D Clay, light gray. 2.0 16.0 4 Very light buff 0.75 3.69 10.46 11.46 0.91 STS
E Sand; clay, gray and yellow. 2.9 18.9                    
F Clay, light to medium gray. 10.6 29.5 6.19 15.6 2 Orange buff 0.75 5.23 7.93 10.81 0.73 STS
G Clay, gray and tan. 1.7 31.2 4 Reddish brown 2.99 7.47 6.91 9.94 0.70 HTS
H Clay, banded in various shades of gray. 23.8 55.0 5.74 15.7 2 Reddish brown 2.94 5.88 6.63 9.47 0.70 STS
4 Lavender 3.68 6.62 5.09 8.16 0.62 HTS
I Sand; "quartzite" at top. 2.0 57.0                    

EL-14
Test hole 16
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1563.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, clay, silt, and sandstone; reddish brown. 2.5 2.5                    
B Clay, very light gray, some yellow. 2.0 4.5                    
C Clay, dark gray. 4.2 8.7 4.73 14.4 2 Cream white 0.73 2.18 13.74 15.48 0.89 STS
4 Cream white 0.73 2.18 14.20 15.91 0.89 STS
D Clay, dark gray, with yellow sandstone. 0.8 9.5                    
E Sand, gray and yellow; some gray clay. 3.0 12.5                    
F Clay, gray; yellow sandstone bands. 4.5 17.0                    
G Clay, very light gray, slightly yellow. 1.0 18.0                    
H Clay, medium gray. 3.0 21.0                    
I Clay, medium to light gray; little sand. 10.3 31.3                    
J Clay, medium to light gray, some light yellow or buff. 1.7 33.0 6.57 15.9 2 Orange buff 2.24 6.66 7.64 10.04 0.76 STS
4 Orange buff 2.96 7.38 6.60 8.87 0.75 HTS
K Clay, light to medium gray; some silt and pyrite; sandstone near base; "quartzite" at 1513 and 1510 feet. 23.0 56.0 5.01 17.1 2 Brown red 3.00 9.00 6.93 9.70 0.73 STS
4 Brown red 3.00 8.94 5.02 8.01 0.62 HTS

EL-14
Test hole 17
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1571.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil; 1.0 foot sandy clay, bright red. 4.0 4.0                    
B Clay, yellow, red, and gray mixture, with sand. 5.0 9.0                    
C Clay, very light gray, some yellow and red. 1.5 10.5                    
D Clay, very light to medium gray. 4.5 15.0 4.78 19.9 2 Cream white 0.75 6.01 11.24 11.36 0.98 STS
4 Cream white 1.50 6.76 11.93 13.17 0.91 STS
E Clay, gray; some yellow sandstone. 1.5 16.5                    
F Clay, very light to dark gray. 12.0 28.5                    
G Sand, buff and gray. 1.2 29.7                    
H Clay, gray; some sand and silt; "quartzite" at 1539 feet and at base. 19.0 48.7                    

EL-14
Test hole 18
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1576.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil; clay, red, yellow and gray mottled, in lower 2.0 feet; some hematite. 6.0 6.0                    
B Clay, gray, lavender, and yellow; some brown and yellow sandstone. 10.0 16.0                    
C Clay, very light gray. 2.0 18.0 5.06 14.4 2 Buff 0.00 2.19 12.01 15.24 0.79 STS
D Clay, gray to dark gray; some pyrite, silt, lignite and limonite material. 5.2 23.2 4 Buff 0.00 2.19 11.04 14.55 0.76 STS
E Clay, light gray. 9.0 32.2                    
F Sand, buff and gray. 3.3 35.5                    
G Clay, medium to light gray, with fine white sand. 7.5 43.0 4.09 15.6 2 Pink 0.74 4.41 11.25 13.84 0.81 STS
4 Pink buff 1.47 5.14 10.37 13.47 0.77 STS
H Clay, dark to light gray layers. 2.0 45.0 5.63 15.2 2 Orange 1.49 5.97 7.32 10.09 0.73 STS
I Clay, light gray and yellow. 2.0 47.0 4 Pink 2.22 6.70 6.13 9.33 0.66 HTS
J Clay, light gray; some silt and sand; "quartzite" 7.5 above base. 18.0 65.0                    
K Clay, gray; some sand; "quartzite" near base. 11.0 76.0 4.57 14.5 2 Burgundy red 0.00 4.48 6.53 9.80 0.67 STS
4 Brown 2.96 6.66 4.54 8.18 0.56 HTS

EL-14
Test hole 19
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1573.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, dark brown. 4.0 4.0                    
B Sand; clay, brownish red. 5.5 9.5                    
C Clay, light to medium gray, yellow; some fine sand near base. 3.5 13.0                    
D Clay, light gray, sandy. 2.5 15.5                    
E Clay, light gray, sandy. 1.5 17.0                    
F Clay, light gray, some yellow. 1.7 18.7                    
G Sand and clay in alternating layers, gray and yellow. 3.3 22.0                    
H Clay, light gray to nearly white, no silt or sand. 7.0 29.0                    
I Sand; clay, light gray. 2.5 31.5                    
J Clay, medium to light gray; some white sand and gray silt. 10.0 41.5 4.13 16.1 2 Buff 0.75 5.23 10.40 12.90 0.81 STS
4 Buff 2.22 6.70 8.63 11.59 0.74 HTS
K Clay, light gray and yellow. 1.5 43.0 6.91 18.3 2 Orange red 5.97 10.45 3.88 4.95 0.78 HTS
4 Medium red 6.27 10.97 2.82 4.12 0.68 HTS
L Clay, light to medium gray; alternating layers of fine sand and clay in lowest 5 feet, "quartzite" layers near middle. 24.0 67.0 5.39 16.3 2 Burgundy red 2.95 6.27 6.60 9.42 0.70 HS
4 Red buff 3.70 7.21 4.53 7.06 0.64 HTS

EL-14
Test hole 22
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1566.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, upper 0.5 feet; clay, yellow, lower 3.5 feet. 4.0 4.0 NO CERAMIC DATA
B Clay, gray and red mottled, gray and yellow. 1.7 5.7                    
Ca Clay, very light gray, containing dark sand. l.8 7.5                    
Cb Sandstone, yellow. 0.5 8.0                    
D Clay, sandy, light gray with yellow. 2.3 10.3                    
E Clay, plastic to silty, light to medium gray; contains thin lenses? of yellow and gray sand; pyrite near base. 9.4 19.7                    
F Clay, plastic to silty, very light to dark gray in 1- to 2-foot bands, some thin sand streaks. 16.0                     35.7
G Clay, reddish brown and gray. 1.8 37.5                    
H Clay, very light to medium gray; foot "quartzitic" fine sandstone 1 foot above base. 0.3 9.5 47.0                    

EL-14
Test hole 23
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1580.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and silty clay, reddish brown (Pleistocene). 7.5 7.5                    
B Residual clay and sand (Dakota). 1.0 8.5                    
C Clay, yellow, red, and gray in mixed layers, and red and brown sandstone. 10.5 19.0                    
D Clay, near white; fine sand, white and yellow. 3.0 22.0 4.93 13.6 2 Buff 0.00 2.94 11.29 13.84 0.82 STS
E Clay, dark gray, with some lignite. 4.0 26.0 4 Light pink buff 0.00 2.94 10.72 13.78 0.78 STS
F Clay, medium gray, some silt and sand streaks; "quartzite" at base. 34.0 60.0 6.09 16.6 2 Buff 0.74 4.48 9.38 11.50 0.82 STS
4 Cream l.85 5.60 8.12 10.10 0.00 HTS

EL-14
Test hole 24
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1586.7 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, upper 2.0 feet; clay, silty, tan to red brown, lower 7.0 feet (Pleistocene, undifferentiated). 9.0 9.0 NO CERAMIC DATA
B Sand, yellow. 1.5 10.5                    
C Clay, light gray with red mottled and yellow bands; sandstone, red and yellow, in lower 1.7 feet, containing hematite. 10.7 21.2                    
D Clay, light gray and yellow; thin sandstone near middle. 8.3 29.5                    
E Clay, light to dark gray; some lignite; thin silt bands in lower half. 6.5 36.0                    
F Clay, medium to light gray; thin sandstone beds at 42, 46 and 54 feet; silty clay from 48 to 51 feet; dense "quartzite" at base. 28.0 64.5                    

EL-14
Test hole 25
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1580.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, tan and red brown, silty (Pleistocene). 10.5 10.5                    
B Clay, light gray with bands of near white, yellow, and red; 3 bands of hard hematite. 9.0 19.5                    
C Clay, nearly white, yellow stain. 3.5 23.0 4.12 16.1 2 Pink buff 0.74 4.44 11.89 13.27 0.90  
4 Pink buff 0.74 4.44 11.64 12.65 0.92  
D Clay, alternating light and dark gray. 14.0 37.0 5.50 17.4 2 Cream buff 0.00 4.48 12.48 14.31 0.87  
4 Buff 0.00 4.48 12.l4 13.65 0.89  
E Clay, light to medium gray, some pyrite and silt streaks; silty clay in lower 7.0 feet. 17.0 54.0                    
F Clay, light gray and bronze yellow, with thin hard layers "quartzite." 13.0 67.0 5.61 17.9 2 Brown buff 2.24 6.72 7.97 10.79 0.74  
4 Dirty pink 2.99 7.47 7.27 10.27 0.71  

EL-14
Test hole 26
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1577.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil, clay, and silt; reddish brown (Pleistocene). 7.0 7.0                    
B Clay, gray, red and white mottling; hematite near base. 7.5 14.5                    
C Clay, cream white; some thin sandstone. 3.5 18.0                    
D Sand, light yellow, with gray clay. 1.0 19.0                    
E Clay, near white, some yellow and red stain. 4.0 23.0 6.23 14.1 2 Light buff 0.00 2.94 12.89 14.00 0.92 STS
4 Light buff 1.47 3.68 12.04 13.40 0.92  
F Clay, very light gray. 6.5 29.5 4.13 13.1 2 Light buff 0.74 3.68 10.89 13.01 0.84 STS
G Clay, medium to light gray; some silt. 10.0 39.5 4 Light buff 0.74 3.68 11.15 13.05 0.85  
H Clay, gray and buff, alternating with sand. 7.0 46.5                    
I Clay, medium to light gray; some silt. 9.0 55.5                    
J Clay, gray and bronze yellow. 1.5 57.0                    

EL-14
Test hole 27
Location: sec. 15, T. 15 S., R. 7 W.
Elevation: 1588.3 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and silty clay, tan to reddish brown (Pleistocene). 9.7 9.7                    
B Clay, light gray and red. 3.8 13.5                    
C Clay, light gray, some yellow and red. 2.3 15.8 7.06 20.7 2 Cream 3.01 8.27 9.83 10.31 0.95 HS
4 Cream buff 3.73 8.99 8.18 8.41 0.97 HTS
D Clay, gray, yellow, and red mixture; some silt. 10.1 25.9                    
E Clay, nearly white (kaolin?). 5.4 31.3                    
F Clay, very light gray with red and tan portions. 3.2 34.5                    
G Clay, very light to dark gray; some lignitic silt layers. 13.5 48.0                    
H Clay, light gray to gray, some yellow; some layers very silty. 15.0 63.0 4.32 15.0 2 Pink buff 0.00 3.70 9.59 11.71 0.82 STS
4 Yellow buff 1.47 5.17 8.66 10.97 0.79 HTS

EL-14
Test hole 32
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1573.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and silty clay, reddish brown (Pleistocene). 3.0 3.0                    
B Clay, light gray with yellow and red; hematite 2.0 feet from base. 6.5 9.5                    
C Clay, light gray and yellow. 4.0 13.5 3.37 15.0 2 Pink red 0.00 2.94 1l.72 12.98 0.90 STS
4 Pink 0.00 2.94 11.10 12.36 0.90 STS
D Clay, very light gray, red, and yellow; some sand; hematite 2.0 feet below top. 6.0 19.5                    
E Clay, light gray; some silt. 5.0 24.5 3.76 14.1 2 Light buff +0.75* 4.51 10.98 13.17 0.83 STS
4 Light buff +1.49* 2.54 11.25 13.20 0.85 STS
F Clay, light gray with red and bronze mottling. 0.5 25.0                    
G Clay, gray, various shades and hardness in layers; lignite 6.5 feet from base. 19.5 44.5 4.86 16.2 2 Buff 1.47 4.41 10.53 12.03 0.88 STS
4 Mottled buff 2.22 5.92 8.78 10.59 0.83 HTS
H Clay, light gray, some bronze, yellow, and red mottling. 4.0 48.5 5.52 16.3 2 Gray brown 3.70 7.40 6.23 8.53 0.73 HTS
4 Brown buff 4.46 8.16 4.06 6.48 0.63 HTS
I Clay, light gray; "quartzite" at base. 7.0 55.5                    
* (+) indicates expansion.

EL-14
Test hole 33
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1578.0 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and residium. 2.0 2.0                    
B Clay, light gray. 2.7 4.7                    
C Clay, light gray mixed with red, white, and yellow; hematite 1.0 foot from base. 7.0 11.7                    
D Clay, very light gray and yellow. 3.0 14.7 4.90 13.9 2 Pink buff 0.74 3.68 9.67 10.80 0.90 STS
4 Pink buff 0.74 3.68 8.91 10.81 0.88 HTS
E Sandstone, hard, brown and red, with hematite. 1.3 16.0                    
F Clay, gray, red, and yellow. 1.4 17.4                    
G Clay, light gray, red, tan, and lavender; hematitic silt at base. 8.6 26.0                    
H Clay, nearly white to dark gray in alternating beds; fine sand in some layers; "quartzite" 10 feet below top. 26.0 52.0 4.42 14.6 2 Light buff 0.00 3.70 9.86 11.36 0.87 STS
4 Light buff 0.00 3.70 9.74 11.54 0.84 HTS
I Clay, gray with dark red and yellow. 1.0 53.0                    

EL-14
Test hole 35
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1594.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and silty clay, reddish brown (Pleistocene). 3.5 3.5                    
B Silt to sand, clayey, reddish brown. 1.5 5.0                    
C Sand, brown. 2.0 7.0                    
D Clay, near white to gray, some yellow; thin sand layers; thin sandstone near base. 3.5 10.5                    
E Clay, shades of gray; some red areas. 5.5 16.0 8.11 22.2 2 Medium buff 4.51 9.77 7.l9 7.75 0.93 HTS
4 Yellow buff 5.26 10.52 5.33 5.66 0.94 HTS
F Clay, varying from white to gray layers, some red and yellow; sand and silt in some layers. 14.7 30.7                    
G Clay, white, hard, kaolin. 1.3 32.0                    
H Clay, nearly white, red areas; some sand. 4.5 36.5                    
I Clay, white to gray. 6.5 43.0 5.91 14.8 2 Pink buff 0.74 4.44 9.87 11.08 0.89 HTS
4 Pink buff 0.75 4.44 9.68 11.04 0.88 HTS
J Clay, very light to medium gray. 13.5 56.5 5.29 14.2 2 Light buff 0.74 4.44 9.62 10.98 0.88 HTS
4 Buff 0.75 4.44 9.57 11.26 0.85 HTS

EL-14
Test hole 39
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1578.2 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, tan to red brown (Pleistocene). 85 8.5                    
B Clay, near white to light gray, some yellow. 3.8 12.3                    
C Clay, light gray to white; contains hematite and some sand near top. 10.2 22.5                    
D Clay, very light gray to medium gray with yellow, sandy; "quartzite" near base. 6.0 28.5                    
E Clay and sandstone, white and various shades of gray, sparse yellow. 8.1 36.6 3.98 14.1 2 Buff 0.75 3.69 10.30 11.93 0.86 HS
4 Buff 1.47 4.41 9.95 11.45 0.83 HTS
F Clay, medium gray, some red and brown. 3.4 40.0                    
G Clay, gray, light to dark in layers. 7.0 47.0 3.85 15.5 2 Buff 0.74 4.44 9.61 11.79 0.82 HTS
4 Buff 0.75 4.44 9.04 11.63 0.78 HTS
H Clay, gray and bronze. 3.0 50.0 6.82 25.7 2 Orange red 3.82 10.69 4.44 4.88 0.91 HTS
4 Light red 4.62 11.49 3.36 3.53 0.95 HTS
I Clay, medium gray, streaks of brown 7.0 57.0                    

EL-14
Test hole 42
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1569.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Clay, creamy white, some red stains. 5.0 5.0                    
B Clay, creamy white with red and yellow mottling. 2.0 7.0 4.66 16.1 2 Cream pink 0.75 5.25 10.64 11.66 0.91 STS
4 Pink buff 0.75 5.23 10.23 11.48 0.89 STS
C Clay, yellow to gray with red mottling, hematitic near middle. 8.0 15.0                    
D Clay, light gray, red and yellow staining. 2.0 17.0                    
E Clay, gray; sand, 0.5 foot. 3.0 20.0 3.31 13.1 2 Pink buff 0.00 2.34 10.11 11.90 0.85 STS
4 Pink buff 0.74 3.68 10.21 12.59 0.81 STS
F Clay, light gray. 2.5 22.5                    
G Sandstone, hematitic; clay, gray and red mottled. 1.8 24.3                    
H Clay, light gray. 3.5 27.8 4.75 15.7 2 Buff 0.00 2.94 11.67 13.85 0.84 STS
4 Buff 0.74 3.68 11.49 13.93 0.82 STS
I Clay, dark gray, hard. 1.2 29.0                    
J Clay, gray, brown and red mottling. 3.5 32.5                    
K Clay, gray. 2.1 34.6                    
L "Quartzite." 0.3 34.9                    

EL-14
Test hole 51
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1581.5 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, brown. 1.0 1.0                    
B Clay, gray, red stains, with creamy white layer in middle. 8.5 9.5                    
C Siltstone, clayey, hematitic and limonitic, with gray and yellow clay. 6.0 15.5                    
D Clay, gray and yellow; some sand and silt. 2.0 17.5                    
E Clay, light to medium gray, 1.0 foot white 7 feet above base, plastic except 3 feet silty near middle of bed. 18.5 36.0 4.28 16.7 2 Light buff 1.86 6.33 9.50 10.80 0.88 STS
4 Light buff 1.97 5.95 8.48 10.09 0.84 HS
F Clay, dark to medium gray, thin hard silt streaks. 5.3 41.3 6.13 16.0 2 Brown buff 0.00 3.70 10.20 13.08 0.92 STS
4 Buff 0.75 4.45 8.63 11.95 0.72 HTS
G Sand, clayey, medium gray, and brown. 2.2 43.5 7.44 17.9 2 Mottled red 2.99 7.47 8.76 11.15 0.79 HTS
H Clay, gray with bronze yellow; some sand. 1.0 44.5 4 Mottled red 2.24 6.72 7.89 10.24 0.77 HTS
I Clay, to light gray; some sand. 3.5 48.0 8.15 23.5 2 Yellow brown 6.76 12.02 0.66 1.41 0.47 HTS
4 Red ivory 6.02 12.08 0.41 0.81 0.51 HTS
J Clay, medium gray with sparse red mottling, and 1.0 foot lavender. 4.0 52.0                    

EL-14
Test hole 52
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1570.2 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Clay, gray and red, weathered. 1.5 1.5                    
B Clay, bright yellow and gray. 2.0 3.5                    
C Clay, light gray with red mottling and hematite, yellow in lower 3.0 feet. 4.5 8.0                    
D Clay, creamy white (upper 1.0 foot) into pink and gray. 2.7 10.7                    
E Clay, very light gray. 1.3 12.0                    
F Clay, light gray, yellow, and red. 2.5 14.5                    
G Clay, light to medium gray. 3.0 17.5 5.04 15.7 2 Light buff 0.74 3.68 12.44 14.57 0.85 STS
H Clay, dark gray. 3.8 21.3 4 Light buff 0.74 3.70 11.86 14.23 0.83 STS
I Clay, light to medium gray. 7.1 28.4                    
J Clay, light gray, bronze yellow, and red brown. 3.1 31.5                    
K Sand; clay, light gray. 1.0 32.5 5.86 15.3 2
4		 Medium red
Red		 2.22
2.75		 5.92
6.45		 7.44
6.50		 10.02
8.87		 0.74
0.73		 HTS
HTS
L Clay, varying shades of gray. 9.7 42.2
M Clay, red, brown, and gray. 4.8 47.0

EL-14
Test hole 55
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1611.1 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, reddish brown (Pleistocene). 4.5 45                    
B Clay, light gray with red and yellow streaks. 55 10.0 7.62 22.4 2 Buff 3.03 9.09 4.25 4.91 0.87 HTS
4 Cream buff 3.82 10.69 3.12 3.81 0.82 HTS
C Clay, light gray and red. 25 125                    
D Clay, gray with streaks of yellow, red, and brown; limonitic sandstone, 14.0-14.5 feet. 5.2 17.7                    
E Sand, brown and yellow, clay streaks. 3.0 17.7                    
F Clay, gray with yellow streaks. 6.0 26.7 8.64 23.1 2 Gray buff 6.67 10.37 3.45 4.18 0.83 HTS
4 Gray buff 8.82 1l.76 0.99 1.53 0.65 HTS
G Clay, gray with brown and red mottling. 53 32.0                    
H Clay, very light gray to black, some red near top and base, white at 37 and 43 feet; hematite at 44 feet. 18.0 50.0 8.65 17.4 2 Pink 4.41 7.35 7.61 8.87 0.93 HTS
4 Pink 4.95 7.89 6.67 7.16 0.93 HTS
I Clay, light gray with red speckles. 65 565 6.98 17.7 2 Pink buff 2.24 6.72 8.00 850 0.94 HTS
4 Pink buff 2.49 7.47 7.08 750 0.94 JITS

EL-14
Test hole 56
Location: sec. 25, T. 15 S., R. 7 W.
Elevation: 1591.2 feet

Test hole log Ceramic properties
Sample Description Thickness,
feet		 Depth,
feet		 Percent
ignition
loss		 Percent
water of
plasticity		 Fired
to cone		 Fired color Percent linear shrinkage Percent absorption Saturation
coefficient		 Hardness
as to steel
Fired Total 24 hours,
cold water		 5 hours,
boiling water
A Soil and clay, reddish brown (Pleistocene). 7.0 7.0                    
B Clay, layered varying colors of red, gray, yellow, and white; hematite at feet; sandstone, clayey, 15.0-16.7 feet. 13.8 12.5 19.5                    
C Clay, very light gray, near-white yellow specks near base. 5.0 24.5 4.70 14.6 2 Buff 0.00 2.94 11.13 12.56 0.89 STS
4 Buff 0.00 2.94 11.54 12.85 0.90 HS
D Clay, gray with red mottling. 1.5 26.0 6.42 17.1 2 Pink buff 3.68 6.62 7.74 8.14 0.95 HTS
4 Pink buff 4.46 7.40 6.87 7.19 0.96 HTS
E Clay, light to medium gray, silty near base. 8.5 34.5                    
F Clay, light gray with yellow and brownish red. 2.0 36.5                    
G Clay, varying shades of gray, with thin hard sandstone or siltstone in lower 6.0 feet. 10.5 47.0 4.59 14.0 2 Light buff +1.49* 2.99 10.83 1233 0.88 STS
4 Buff 0.74 4.44 10.18 11.87 0.86 HTS
H Clay, gray with bronze yellow, thin sandstone near base. 4.5 51.5 6.22 19.2 2 Red 4.55 10.61 4.13 '437 0.95 HTS
I Clay, gray with red, lavender, yellow, and tan streaks. 11.0 62.5 4 Red 5.22 11.22 2.18 2.63 0.83 HTS
J Clay, medium to dark gray with sparse red and yellow stains; silt alternating with gray sand in lower 8.0 feet, thin "quartzite" 4.0 feet from base. 14.5 77.0 637 18.9 2 Tan 337 7.85 531 5.83 0.91 HTS
4 Brown buff 4.48 8.96 3.38 3.61 0.94 HTS
*(+) indicates expansion.

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Kansas Geological Survey, Light-Firing Clay in Cloud and Ellsworth Counties, Kansas
Placed on web Oct. 17, 2016; originally published in December 1963.
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