|
Unit No. |
Description |
Thickness |
5
|
Sandstone, Cottage Grove (?), Long slope, thin beds, well seen at top, 2ft. exposed at base
|
15 - 20 ft.
|
4
|
Coal, Thayer coal?
|
? ft.
|
3
|
Shale, gray
|
1.5 ft.
|
2
|
Limestone, Drum formation, massive in lower part, thinner above bluish gray, crystalline, Neospirifer, Bryozoan, crinoid stems
|
+/- 3 ft.
|
1
|
Shale, gray, blocky to medium thin beds
|
+/- 3 ft.
|
|