DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP28 Digital Elevation Model of Delaware | Wang, L.T. | |
| HM3 Geohydrology of the Wilmington Area, Delaware | Woodruff, K.D. | |
| OFR13 Delaware's Extractive Mineral Industry | Doyle, R.G., Pickett, T.E. | |
| HM2 Geohydrology of the Newark Area, Delaware | Woodruff, K.D. |