DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI35 Unconformities in the Fluvial Columbia Sediments Revealed by Thin Pebble Beds | Spoljaric, N. | |
| RI33 Exploring, Drilling, and Producing Petroleum Offshore | Spoljaric, N. | |
| RI10 Pleistocene Channels of New Castle County, Delaware | Spoljaric, N. |