DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP9 Generalized Geologic Map of Delaware | Pickett, T.E., Spoljaric, N., Jordan, R.R. | |
| RI10 Pleistocene Channels of New Castle County, Delaware | Spoljaric, N. | |
| B6 The Water Resources of Northern Delaware | Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |