| |
| Allegheny Formation Sandstone |
| Burgoon Sandstone |
| Casselman Formation Shale |
| Catskill Formation Sandstone |
| Cuyahoga Group Siltstone |
| Foreknobs Formation Sandstone |
| Glenshaw Formation Shale |
| Greene Formation Sandstone |
| Mauch Chunk Formation Shale |
| Monongahela Group Limestone |
| Pottsville Formation Sandstone |
| Shenango Formation Sandstone |
| Washington Formation Sandstone |
| Waynesburg Formation Sandstone |