SEDIS - Thesaurus
Two Medicine Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Two Medicine Formation | |
| RT | Montana |
| Montana Group | |
| SN | Upper Cretaceous. NW Montana. In Montana Group. Overlies Virgelle Sandstone; underlies Bearpaw Formation. Added to Thesaurus in 1993. |
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