DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania | Schenck, W.S., Plank, M.O., Srogi, L. | |
| GM 3 Geology of the Newark Area, Delaware | Woodruff, K.D., Thompson, A.M. |
Geologic and hydrologic research and exploration for Delaware