| 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. |
|
| GM18 Geologic Map of the Bethany Beach and Assawoman Bay Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
|
| GM14 Geologic Map of Kent County, Delaware |
Ramsey, K.W. |
|
| 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. |
|
| GM 8 Geology of the Milford and Mispillion River Quadrangles, Delaware |
Ramsey, K.W. |
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