DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| RI63 An Evaluation of Sand Resources, Atlantic Offshore, Delaware | Ramsey, K.W., McKenna, K.K. | |
| OFR25 Saturated Thickness of the Columbia Formation in Southern New Castle County, Delaware | Groot, J.J., Demicco, P.M., Cherry, P.J. | |
| RI30 Ground-Water Levels in Delaware July, 1966 - December, 1977 | Talley, J.H. |