DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| OFR18 A Numerical Indicator of Water Conditions for Northern Delaware | Jordan, R.R., Woodruff, K.D. | |
| RI27 Ground-Water Investigations in the Delaware Piedmont for the City of Newark, 1976 | Hahn, W.F. | |
| RI18 Geology and Ground Water, University of Delaware, Newark, Delaware | Woodruff, K.D., Miller, J.C., Jordan, R.R., Spoljaric, N., Pickett, T.E. |