RI64 Results of Hydrogeologic Studies of the Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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RI61 The Occurrence and Distribution of Several Agricultural Pesticides in Delaware’s Shallow Ground Water |
Baxter, S.J., Blaier, S.C |
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RI62 The Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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SP18 Cretaceous Fossils from the Chesapeake and Delaware Canal: A Guide for Students and Collectors |
Lauginiger, E.M. |
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OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware |
Lauginiger, E.M., Hartstein, E.F. |
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