DGS Publications

Title Authors Publication Date
GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania Schenck, W.S., Plank, M.O., Srogi, L.
RI50 Plant Microfossils of the Calvert Formation of Delaware Groot, J.J.
RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware Groot, J.J., Ramsey, K.W., Wehmiller, J.F.