DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM24 Geologic Map of the Millington, Clayton and Smyrna Quadrangles, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| GM14 Geologic Map of Kent County, Delaware | Ramsey, K.W. | |
| GM13 Geologic Map of New Castle County, Delaware | Ramsey, K.W. | |
| GM12 Geology of the Lewes and Cape Henlopen Quadrangles, Delaware | Ramsey, K.W. | |
| GM11 Geology of the Ellendale and Milton Quadrangles, Delaware | Ramsey, K.W. |