DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware | Groot, J.J., Ramsey, K.W., Wehmiller, J.F. | |
| B11 Ground-Water Resources of Southern New Castle County Delaware | Rima, D.R., Coskery, O.J., Anderson, P.W. |