| 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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| RI72 Geology and Extent of the Confined Aquifers of Kent County, Delaware |
McLaughlin, P.P., Velez, C.C. |
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| RI63 An Evaluation of Sand Resources, Atlantic Offshore, Delaware |
Ramsey, K.W., McKenna, K.K. |
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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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