GM24 Geologic Map of the Millington, Clayton and Smyrna Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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GM23 Geologic Map of the Seaford West and Seaford East Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |
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GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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GM15 Geologic Map of the Georgetown Quadrangle, Delaware |
Ramsey, K.W. |
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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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