DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM24 Geologic Map of the Millington, Clayton and Smyrna Quadrangles, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| GM20 Geologic Map of the Millsboro and Whaleysville Quadrangles, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| GM19 Geologic Map of the Frankford and Selbyville Quadrangles, Delaware | Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |