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. | |
| SP9 Generalized Geologic Map of Delaware | Pickett, T.E., Spoljaric, N., Jordan, R.R. | |
| RI10 Pleistocene Channels of New Castle County, Delaware | Spoljaric, N. |