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| Cretaceous - Rancocas formation; Monmouth formation; Matawan formation; Magothy formation; Raritan formation; Patapsco formation (1) |
| Geology -- Delaware -- Kent County -- Maps (1) |
| Geology -- Delaware -- Newcastle County -- Maps (1) |
| Geology -- Maryland -- Caroline County -- Maps (1) |
| Geology -- Maryland -- Kent County -- Maps (1) |
| Geology -- Maryland -- Queen Anne County -- Maps (1) |
| Geology -- New Jersey -- Salem County -- Maps (1) |
| Geology -- United States --Maps (1) |
| Neogene - Talbot formation; Wicomico formation; Sunderland formation; Lafayette formation; Calvert formation; Aquia formation (1) |
| Paleogene - Lafayette formation; Calvert formation; Aquia formation (1) |