Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Belle Fourche Shale  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Belle Fourche Shale | |
| RT | Cody Shale |
| Colorado Group | |
| Graneros Shale | |
| SN | In Colorado Group or Cody Shale. In Wyoming, Montana, North Dakota, and South Dakota. Added to Thesaurus in 1995. |