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. | |
| RI18 Geology and Ground Water, University of Delaware, Newark, Delaware | Woodruff, K.D., Miller, J.C., Jordan, R.R., Spoljaric, N., Pickett, T.E. |