| GM16 Geologic Map of the Fairmount and Rehoboth Beach Quadrangles, Delaware |
Ramsey, K.W. |
|
| GM15 Geologic Map of the Georgetown Quadrangle, 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. |
|
| GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania |
Schenck, W.S., Plank, M.O., Srogi, L. |
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| GM 9 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W. |
|
| GM 8 Geology of the Milford and Mispillion River Quadrangles, Delaware |
Ramsey, K.W. |
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