Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Blackhawk Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Blackhawk Formation | |
| RT | Utah |
| Mesaverde Group | |
| SN | In Mesaverde Group. Six principal members are Desert, Grassy, Sunnyside, Kenilworth, Aberdeen, and Spring Canyon. Central E Utah. |