DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| SP28 Digital Elevation Model of Delaware | Wang, L.T. | |
| GM17 Geologic Map of the Harbeson Quadrangle, Delaware | Ramsey, K.W., Tomlinson, J.L. | |
| RI63 An Evaluation of Sand Resources, Atlantic Offshore, Delaware | Ramsey, K.W., McKenna, K.K. | |
| RI50 Plant Microfossils of the Calvert Formation of Delaware | Groot, J.J. | |
| RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware | Groot, J.J., Ramsey, K.W., Wehmiller, J.F. |