| GM18 Geologic Map of the Bethany Beach and Assawoman Bay Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| OFR49 Hydrologeologic Framework of Southern New Castle County |
Dugan, B.L., Neimeister, M.P., Andres, A.S. |
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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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| HM11 Ground-Water Recharge Potential Kent County, Delaware |
Andres, A.S. |
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| GM 9 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W. |
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