Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Goose Egg Formation  | |
|---|---|
| RT | Colorado |
| Lower Triassic | |
| Montana | |
| Permian | |
| Permian-Triassic boundary | |
| Utah | |
| Wyoming | |
| SN | Permian and Lower Triassic. Indexed with ages as applicable. Added to Thesaurus in 1989. |