DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM24 Geologic Map of the Millington, Clayton and Smyrna Quadrangles, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| RI55 Geology of the Milford and Mispillion River Quadrangles | Ramsey, K.W., Groot, J.J. | |
| OFR24 Saturated Thickness of the Water-Table Aquifer in Southern New Castle County, Delaware | Demicco, P.M., Groot, J.J., Cherry, P.J. |