DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| IS7 The Delaware Geological Survey | Pickett, T.E. | |
| OFR13 Delaware's Extractive Mineral Industry | Doyle, R.G., Pickett, T.E. | |
| RI14 Delaware Clay Resources | Pickett, T.E. |
Geologic and hydrologic research and exploration for Delaware