Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Valley and Ridge Province  | |
|---|---|
| BT | North America |
| .Appalachians | |
| ..Valley and Ridge Province | |
| RT | Virginia |
| Pennsylvania | |
| New York | |
| Alabama | |
| Maryland | |
| West Virginia | |
| Georgia | |
| Tennessee | |
| New Jersey | |
| Great Appalachian Valley | |
| SN | Folded mountain ridges and parallel valleys between the Appalachian Plateau on the W and the Older Appalachians on the E. Extends from along the Hudson River in the N into Alabama in the S. Indexed with states as applicable. |