DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI34 Long-Term Chemical-Quality Changes in Selected Delaware Streams | McKenzie, S.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. | |
| RI14 Delaware Clay Resources | Pickett, T.E. |