DGS Publications
Title | Authors | Publication Date |
---|---|---|
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. | |
B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. |