DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware | Plank, M.O., Woodruff, K.D., Werkheiser, W.H. | |
| HM3 Geohydrology of the Wilmington Area, Delaware | Woodruff, K.D. | |
| OFR14 Sinkholes, Hockessin Area, Delaware | Talley, J.H. | |
| HM2 Geohydrology of the Newark Area, Delaware | Woodruff, K.D. |