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.
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.
SP17 The Delaware Geological Survey: The Formative Years, 1951-1969 Groot, J.J.
OFR25 Saturated Thickness of the Columbia Formation in Southern New Castle County, Delaware Groot, J.J., Demicco, P.M., Cherry, P.J.
OFR24 Saturated Thickness of the Water-Table Aquifer in Southern New Castle County, Delaware Demicco, P.M., Groot, J.J., Cherry, P.J.
OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware Lauginiger, E.M., Hartstein, E.F.
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.
B16 Ground-Water Resources of the Piney Point and Cheswold Aquifers in Central Delaware as Determined by a Flow Model Leahy, P.P.
RI29 Digital Model of the Piney Point Aquifer in Kent County, Delaware Leahy, P.P.
RI26 Hydraulic Characteristics of the Piney Point Aquifer and Overlying Confining Bed near Dover, Delaware Leahy, P.P.
RI8 Evaluation of the Water Resources of Delaware Baker, W.W., Varrin, R.D., Groot, J.J., Jordan, R.R.
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.
B6 The Water Resources of Northern Delaware Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C.