DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware | Lauginiger, E.M., Hartstein, E.F. | |
| B11 Ground-Water Resources of Southern New Castle County Delaware | Rima, D.R., Coskery, O.J., Anderson, P.W. | |
| B6 The Water Resources of Northern Delaware | Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |