DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| OFR17 A Guide to Information on Benchmarks in Delaware | Schenck, W.S. |
Geologic and hydrologic research and exploration for Delaware