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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GM14 Geologic Map of Kent County, Delaware |
Ramsey, K.W. |
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GM13 Geologic Map of New Castle County, Delaware |
Ramsey, K.W. |
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RI55 Geology of the Milford and Mispillion River Quadrangles |
Ramsey, K.W., Groot, J.J. |
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GM 8 Geology of the Milford and Mispillion River Quadrangles, Delaware |
Ramsey, K.W. |
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GM 7 Geology of the South-Central Kent County Area, Delaware |
Pickett, T.E., Benson, R.N. |
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