| 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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| GM14 Geologic Map of Kent County, Delaware |
Ramsey, K.W. |
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| GM12 Geology of the Lewes and Cape Henlopen Quadrangles, Delaware |
Ramsey, K.W. |
|
| GM11 Geology of the Ellendale and Milton Quadrangles, Delaware |
Ramsey, K.W. |
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| GM 9 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W. |
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| HM9 Geohydrology of the Seaford Area, Delaware |
Andres, A.S. |
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