DGS Publications

Title Authors Publication Date
GM27 Geologic Map of the Elkton, Saint Georges, and Delaware City Quadrangles, Delaware Tomlinson, J.L., Ramsey, K.W.
GM26 Geologic Map of the Cecilton and Middletown Quadrangles, Delaware Tomlinson, J.L., Ramsey, K.W.
OFR13 Delaware's Extractive Mineral Industry Doyle, R.G., Pickett, T.E.