DGS Publications

Title Authors Publication Date
RI58 The Pliocene and Quaternary Deposits of Delaware: Palynology, Ages, and Paleoenvironments Groot, J.J., Jordan, R.R.
RI55 Geology of the Milford and Mispillion River Quadrangles Ramsey, K.W., Groot, J.J.
RI53 Geology of the Seaford Area, Delaware Andres, A.S., Ramsey, K.W., Groot, J.J.
SP19 Delaware: Its Rocks, Minerals, and Fossils DGS Staff
RI50 Plant Microfossils of the Calvert Formation of Delaware Groot, J.J.
OFR24 Saturated Thickness of the Water-Table Aquifer in Southern New Castle County, Delaware Demicco, P.M., Groot, J.J., Cherry, P.J.
OFR26 Salinity Distribution and Ground-Water Circulation beneath the Coastal Plain of Delaware and the Adjacent Continental Shelf Groot, J.J.
OFR23 Ground-Water Availability in Southern New Castle County, Delaware Groot, J.J., Demicco, P.M., Cherry, P.J.
SP7 Selected Fossil Collecting Locations in Delaware and Minerals in Delaware DGS Staff
RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware Shapiro, E., Richards, H.G.
RI6 Some Observations on the Sediments of the Delaware River South of Wilmington Jordan, R.R., Groot, J.J.
RI3 Wells for the Observation of Chloride and Water Levels in Aquifers that Cross the Chesapeake and Delaware Canal Rasmussen, W.C., Groot, J.J., Beamer, N.H.
RI2 High-Capacity Test Well Developed at the Air Force Base, Dover, Delaware Rasmussen, W.C., Groot, J.J., Depman, A.J.
B7 Engineering Materials of Northern New Castle County Ward, R.F., Groot, J.J.
B5 Sedimentary Petrology of the Cretaceous Sediments of Northern Delaware in Relation to Paleogeographic Problems Groot, J.J.
B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal Organist, D.M., Richards, H.G., Groot, J.J.