SEDIS - Thesaurus
Potomac Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Potomac Group | |
| RT | Virginia |
| Maryland | |
| Delaware | |
| SN | Consists of Patuxent, Arundel, and Patapsco formations. |
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SEDIS - Thesaurus | ||||||||||||||||||||
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