DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP19 Delaware: Its Rocks, Minerals, and Fossils | DGS Staff | |
| OFR18 A Numerical Indicator of Water Conditions for Northern Delaware | Jordan, R.R., Woodruff, K.D. | |
| SP10 Selected Papers on the Geology of Delaware | Jordan, R.R., Pickett, T.E., Kraft, J.C., Sheridan, R.E., Spoljaric, N., Thompson, A.M., Woodruff, K.D., Varrin, R.D., Leavens, P.B., Carey, W.L. | |
| B13 Geology, Hydrology, and Geophysics of Columbia Sediments in the Middletown-Odessa Area, Delaware | Spoljaric, N., Woodruff, K.D. | |
| RI9 Ground-Water Levels in Delaware January, 1962 - June, 1966 | Woodruff, K.D. |