DGS Publications
Title | Authors | Publication Date |
---|---|---|
OFR14 Sinkholes, Hockessin Area, Delaware | Talley, J.H. | |
OFR13 Delaware's Extractive Mineral Industry | Doyle, R.G., Pickett, T.E. | |
RI30 Ground-Water Levels in Delaware July, 1966 - December, 1977 | Talley, J.H. |