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.