| OFR49 Hydrologeologic Framework of Southern New Castle County |
Dugan, B.L., Neimeister, M.P., Andres, A.S. |
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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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| 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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| RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware |
Shapiro, E., Richards, H.G. |
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| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal |
Organist, D.M., Richards, H.G., Groot, J.J. |
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