DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware | Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. | |
| B20 Stratigraphy of the Post-Potomac Cretaceous-Tertiary Rocks of Central Delaware | Benson, R.N., Spoljaric, N. |