OFR50 Database of Quaternary Coastal Geochronologic Information for the Atlantic and Pacific Coasts of North America (additional information for sites in Peru and Chile) |
Wehmiller, J.F., Pellerito, V. |
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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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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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RI52 Quality and Geochemistry of Ground Water in Southern New Castle County, Delaware |
Ferrari, M.J., Bachman, L.J. |
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RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware |
Groot, J.J., Ramsey, K.W., Wehmiller, J.F. |
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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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