|
Unit No. |
Description |
Thickness |
10
|
Limestone, thin beds, not well exposed, bedding is more or less irregular. Winterset
|
|
9
|
Shale, gray, phosphatic concretions
|
+/- 0.5 ft.
|
8
|
Shale, black, platy
|
0.8 ft.
|
7
|
Shale, yellow, with thin lenses of limestone
|
1.1 ft.
|
6
|
Limestone, yellow, slabby
|
1 ft.
|
|