Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Fall Line  | |
|---|---|
| UF | Fall Zone |
| RT | United States |
| Appalachians | |
| Atlantic Coastal Plain | |
| Piedmont | |
| SN | Marks boundary between Piedmont and Atlantic Coastal Plain, E United States. Indexed with United States and/or states. |