| 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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| RI69 Geology of The Old College Formation Along the Fall Zone of Delaware |
Ramsey, K.W. |
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| RI63 An Evaluation of Sand Resources, Atlantic Offshore, Delaware |
Ramsey, K.W., McKenna, K.K. |
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| RI55 Geology of the Milford and Mispillion River Quadrangles |
Ramsey, K.W., Groot, J.J. |
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| RI54 Radiocarbon Dates from Delaware: A Compilation |
Baxter, S.J., Ramsey, K.W. |
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| RI53 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W., Groot, J.J. |
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