DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI34 Long-Term Chemical-Quality Changes in Selected Delaware Streams | McKenzie, S.W. | |
| OFR9 Geologic Field Trips in Delaware | Benson, R.N., Hahn, W.F., Jordan, R.R., Pickett, T.E., Talley, J.H., Thompson, A.M., Woodruff, K.D. | |
| B7 Engineering Materials of Northern New Castle County | Ward, R.F., Groot, J.J. |