Williamsport Formation
| Williamsport Sandstone | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Sub-units | Cedar Creek Limestone |
| Underlies | Wills Creek Formation |
| Overlies | McKenzie Formation |
| Lithology | |
| Primary | sandstone |
| Location | |
| Region | West Virginia, Pennsylvania, Virginia, Maryland |
| Country | United States |
The Williamsport Sandstone is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone member. Near Cumberland, Maryland it includes the Cedar Creek Limestone member. It preserves fossils dating back to the Silurian period.