DGS Publications

Title Authors Publication Date
RI50 Plant Microfossils of the Calvert Formation of Delaware Groot, J.J.
RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware Shapiro, E., Richards, H.G.
B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal Organist, D.M., Richards, H.G., Groot, J.J.