| GM20 Geologic Map of the Millsboro and Whaleysville Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM19 Geologic Map of the Frankford and Selbyville Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |
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| GM18 Geologic Map of the Bethany Beach and Assawoman Bay Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM12 Geology of the Lewes and Cape Henlopen Quadrangles, Delaware |
Ramsey, K.W. |
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| GM11 Geology of the Ellendale and Milton Quadrangles, Delaware |
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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| GM 9 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W. |
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