Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Timbered Hills Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Timbered Hills Group | |
| RT | Oklahoma |
| Reagan Sandstone | |
| SN | S Oklahoma. Added to Thesaurus in 1989. |