DGS Publications

Title Authors Publication Date
RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware Shapiro, E., Richards, H.G.
B4 Preliminary Report on the Geology and Ground-Water Resources of Delaware Marine, I.W., Rasmussen, W.C.
B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal Organist, D.M., Richards, H.G., Groot, J.J.