Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Washita Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Comanchean | |
| .....Washita Group | |
| RT | Lower Cretaceous |
| Upper Cretaceous | |
| Louisiana | |
| Oklahoma | |
| Texas | |
| Arkansas | |
| Buda Limestone | |
| Georgetown Formation | |
| SN | Lower and Upper Cretaceous. In Oklahoma, includes (ascending) Duck Creek Formation, Fort Worth Limestone, Denton Clay, Weno Clay, Pawpaw Formation, Main Street Limestone, and Grayson Shale. SW Arkansas, NW Louisiana, S Oklahoma, and Texas. Indexed with Lo |