DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware | Groot, J.J., Ramsey, K.W., Wehmiller, J.F. | |
| SP2 Long-Range Plan for Water Resources Investigations in Delaware | DGS Staff |