DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware | Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. | |
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| 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. |