DGS Publications

Title Authors Publication Date
SP8 Memoir of the Geological Survey of the State of Delaware Booth, J.C.
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.