| GM20 Geologic Map of the Millsboro and Whaleysville Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
|
| 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. |
|
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
|
| GM16 Geologic Map of the Fairmount and Rehoboth Beach Quadrangles, Delaware |
Ramsey, K.W. |
|
| GM 5 Geology of the Smyrna-Clayton Area, Delaware |
Pickett, T.E., Benson, R.N. |
|
