SP22 The Hurricane of October 21-24, 1878 |
Ramsey, K.W., Reilly, M.J. |
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SP16 Generalized Geologic Map of Delaware, Postcard |
DGS Staff |
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SP19 Delaware: Its Rocks, Minerals, and Fossils |
DGS Staff |
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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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OFR19 Regolith Thickness of the Delaware Piedmont |
Woodruff, K.D., Christopher, M.J. |
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SP7 Selected Fossil Collecting Locations in Delaware and Minerals in Delaware |
DGS Staff |
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SP5 Geology and Earth Resources of Delaware |
DGS Staff |
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SP2 Long-Range Plan for Water Resources Investigations in Delaware |
DGS Staff |
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B6 The Water Resources of Northern Delaware |
Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |
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SP1 The Story of Your State Geological Survey's Search for Water |
DGS Staff |
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