Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Twin Creek Limestone  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Twin Creek Limestone | |
| RT | Idaho |
| Utah | |
| Wyoming | |
| SN | Middle and Upper Jurassic. SW Wyoming, SE Idaho and NE Utah. Added to Thesaurus in 1985. |