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. | |
| RI8 Evaluation of the Water Resources of Delaware | Baker, W.W., Varrin, R.D., Groot, J.J., Jordan, R.R. | |
| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. |