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. | |
| OFR18 A Numerical Indicator of Water Conditions for Northern Delaware | Jordan, R.R., Woodruff, K.D. |