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. | |
| HM8 Geohydrology of the Middletown-Odessa Area, Delaware | Woodruff, K.D. | |
| HM6 Geohydrology of the Chesapeake and Delaware Canal Area, Delaware | Woodruff, K.D. |