DGS Publications

Title Authors Publication Date
GM17 Geologic Map of the Harbeson Quadrangle, Delaware Ramsey, K.W., Tomlinson, J.L.
Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware Plank, M.O., Woodruff, K.D., Werkheiser, W.H.
RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware Groot, J.J., Ramsey, K.W., Wehmiller, J.F.