RI60 Geochemistry of the Mafic Rocks, Delaware Piedmont and Adjacent Pennsylvania and Maryland: Confirmation of Arc Affinity |
Plank, M.O., Srogi, L., Schenck, W.S., Plank, T.A. |
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SP16 Generalized Geologic Map of Delaware, Postcard |
DGS Staff |
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RI59 Bedrock Geology of the Piedmont of Delaware and Adjacent Pennsylvania |
Plank, M.O., Schenck, W.S., Srogi, L. |
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GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania |
Schenck, W.S., Plank, M.O., Srogi, L. |
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SP20 Delaware Piedmont Geology |
Plank, M.O., Schenck, W.S. |
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RI56 The Setters Formation in the Pleasant Hill Valley, Delaware: Metamorphism and Structure |
Plank, M.O., Schenck, W.S. |
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B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
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OFR38 Data Report on Rock Cores from Red Mill Road, Harmony Road, Prices Corner, and Newport, Delaware |
Schenck, W.S., Plank, M.O. |
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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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RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware |
Shapiro, E., Richards, H.G. |
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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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