| Keefer Sandstone Stratigraphic range: Silurian | |
|---|---|
| Type | Formation | 
| Underlies | Rochester Shale | 
| Overlies | Rose Hill Formation | 
| Location | |
| Region |  West Virginia | 
| Country |  United States | 
The Keefer Sandstone is a geologic formation in West Virginia. It preserves fossils dating back to the Silurian period.