RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware |
Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. |
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RI64 Results of Hydrogeologic Studies of the Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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RI62 The Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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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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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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SP1 The Story of Your State Geological Survey's Search for Water |
DGS Staff |
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