| 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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| B15 Digital Model of the Unconfined Aquifer in Central and Southeastern Delaware |
Johnston, R.H. |
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| RI24 Relation of Ground Water to Surface Water in Four Small Basins of the Delaware Coastal Plain |
Johnston, R.H. |
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| B14 Hydrology of the Columbia (Pleistocene) Deposits of Delaware: An Appraisal of a Regional Water-Table Aquifer |
Johnston, R.H. |
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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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| RI2 High-Capacity Test Well Developed at the Air Force Base, Dover, Delaware |
Rasmussen, W.C., Groot, J.J., Depman, A.J. |
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| SP1 The Story of Your State Geological Survey's Search for Water |
DGS Staff |
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