SP18 Cretaceous Fossils from the Chesapeake and Delaware Canal: A Guide for Students and Collectors |
Lauginiger, E.M. |
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OFR28 Potential for Ground-Water Recharge in the Coastal Plain of Northern New Castle County, Delaware |
Petty, S., Miller, W.D., Lanan, B.A. |
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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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B8 Water Resources of Sussex County, Delaware |
Rasmussen, W.C., Wilkens, R.A., Beall, R.M. |
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