DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP8 Memoir of the Geological Survey of the State of Delaware | Booth, J.C. | |
| RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware | Shapiro, E., Richards, H.G. | |
| B10 Salinity of the Delaware Estuary | Cohen, B., McCarthy, L.T. Jr. | |
| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. |