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. | |
| OFR3 Preliminary Report on the Earthquake of February 28, 1973 | Woodruff, K.D., Jordan, R.R., Pickett, T.E. | |
| OFR2 Preliminary Report on Seismic Events in Northern Delaware | Jordan, R.R., Pickett, T.E., Woodruff, K.D. |