DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| OFR13 Delaware's Extractive Mineral Industry | Doyle, R.G., Pickett, T.E. | |
| B11 Ground-Water Resources of Southern New Castle County Delaware | Rima, D.R., Coskery, O.J., Anderson, P.W. |
Geologic and hydrologic research and exploration for Delaware