Measured By H. Miller and E. Gutentag
Chalk spires 1/4 mile North of area
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| Unit No. |
Description |
Thickness |
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Niobrara
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8
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Chalk - hard, yellow, contains many Inoceramus and Ostrea
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19 ft.
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7
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Chalk - gray
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5 ft.
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6
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Bentonite
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0.02 ft.
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5
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Chalk - gray
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1.5 ft.
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4
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Bentonite and limonite
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0.05 ft.
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3
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Chalk - gray
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2.3 ft.
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2
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Limonite
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0.02 ft.
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1
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Chalk - gray
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2.6 ft.
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