Keefer Formation
The Keefer Sandstone is a geologic formation in West Virginia. It dates back to the Silurian period
| Keefer Sandstone | |
|---|---|
| Stratigraphic range: Sheinwoodian - Ludfordian | |
| Type | Formation |
| Underlies | Rochester Shale |
| Overlies | Rose Hill Formation |
| Location | |
| Region | Appalachia and Southeastern United States |
| Country | United States |
| Extent | Virginia and West Virginia |
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