DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM25 Geologic Map of Offshore Delaware | Mattheus, C.R., Ramsey, K.W., Tomlinson, J.L. | |
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. |
Geologic and hydrologic research and exploration for Delaware