DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI64 Results of Hydrogeologic Studies of the Cypress Swamp Formation, Delaware | Andres, A.S., Howard, C.S. | |
| RI62 The Cypress Swamp Formation, Delaware | Andres, A.S., Howard, C.S. | |
| B7 Engineering Materials of Northern New Castle County | Ward, R.F., Groot, J.J. |