DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| GM26 Geologic Map of the Cecilton and Middletown Quadrangles, Delaware | Tomlinson, J.L., Ramsey, K.W. | |
| GM23 Geologic Map of the Seaford West and Seaford East Quadrangles, Delaware | Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |