Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Oklahoma County Oklahoma  | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Oklahoma County Oklahoma | |
| SN | Central Oklahoma. |
| Oklahoma Panhandle | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Oklahoma Panhandle | |
| RT | Beaver County Oklahoma |
| Cimarron County Oklahoma | |
| Texas County Oklahoma | |
| SN | NW Oklahoma. Before 1993, also search Panhandle AND Oklahoma. Indexed with counties as applicable. Added to Thesaurus in 1993. |