Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Wells Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Wells Formation | |
| RT | Permian |
| Pennsylvanian | |
| Idaho | |
| Utah | |
| Wyoming | |
| SN | SE Idaho, N Utah and W Wyoming. Indexed with ages as applicable. Added to Thesaurus in 1989. |