DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP16 Generalized Geologic Map of Delaware, Postcard | DGS Staff | |
| SP19 Delaware: Its Rocks, Minerals, and Fossils | DGS Staff | |
| SP5 Geology and Earth Resources of Delaware | DGS Staff | |
| B10 Salinity of the Delaware Estuary | Cohen, B., McCarthy, L.T. Jr. | |
| RI1 Salinity of the Delaware Estuary | Cohen, B. |