DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| OFR9 Geologic Field Trips in Delaware | Benson, R.N., Hahn, W.F., Jordan, R.R., Pickett, T.E., Talley, J.H., Thompson, A.M., Woodruff, K.D. | |
| RI8 Evaluation of the Water Resources of Delaware | Baker, W.W., Varrin, R.D., Groot, J.J., Jordan, R.R. |