Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Coeymans Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Coeymans Formation | |
| RT | Virginia |
| Pennsylvania | |
| New York | |
| Maryland | |
| West Virginia | |
| Helderberg Group | |
| SN | Includes Stormville Sandstone Member, Elbow Ridge Sandstone Member. W Maryland, E New York, E Pennsylvania, W Virginia, N West Virginia, and New Jersey. |