DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP16 Generalized Geologic Map of Delaware, Postcard | DGS Staff | |
| IS7 The Delaware Geological Survey | Pickett, T.E. | |
| SP9 Generalized Geologic Map of Delaware | Pickett, T.E., Spoljaric, N., Jordan, R.R. | |
| RI14 Delaware Clay Resources | Pickett, T.E. |