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. | |
| B4 Preliminary Report on the Geology and Ground-Water Resources of Delaware | Marine, I.W., Rasmussen, W.C. |