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. | |
| RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware | Shapiro, E., Richards, H.G. | |
| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. | |
| B1 Ground-Water Problems in Highway Construction and Maintenance | Rasmussen, W.C., Haigler, E.B. |