Keefer Formation
| Keefer Sandstone | |
|---|---|
| Stratigraphic range: Sheinwoodian - Ludfordian[1] | |
| Type | Formation |
| Underlies | Rochester Shale |
| Overlies | Rose Hill Formation |
| Location | |
| Region | Appalachia and Southeastern United States |
| Country |  United States |
| Extent | Virginia and West Virginia |
The Keefer Sandstone is a geologic formation in West Virginia. It dates back to the Silurian period
References
 | This article about a specific stratigraphic formation in West Virginia is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Silurian period is a stub. You can help Wikipedia by expanding it. |