RI75 Stratigraphy and Correlation of the Oligocene to Pleistocene Section at Bethany Beach, Delaware |
McLaughlin, P.P., Miller, K.G., Browning, J.V., Ramsey, K.W., Benson, R.N., Tomlinson, J.L., Sugarman, P.J. |
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RI65 Wellhead Protection Area Delineations for the Lewes-Rehoboth Beach Area, Delaware |
Duffy, C.A., Costas, E.M., Andres, A.S. |
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SP16 Generalized Geologic Map of Delaware, Postcard |
DGS Staff |
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RI58 The Pliocene and Quaternary Deposits of Delaware: Palynology, Ages, and Paleoenvironments |
Groot, J.J., Jordan, R.R. |
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RI55 Geology of the Milford and Mispillion River Quadrangles |
Ramsey, K.W., Groot, J.J. |
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RI53 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W., Groot, J.J. |
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SP19 Delaware: Its Rocks, Minerals, and Fossils |
DGS Staff |
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RI50 Plant Microfossils of the Calvert Formation of Delaware |
Groot, J.J. |
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RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware |
Groot, J.J., Ramsey, K.W., Wehmiller, J.F. |
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SP17 The Delaware Geological Survey: The Formative Years, 1951-1969 |
Groot, J.J. |
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OFR24 Saturated Thickness of the Water-Table Aquifer in Southern New Castle County, Delaware |
Demicco, P.M., Groot, J.J., Cherry, P.J. |
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OFR25 Saturated Thickness of the Columbia Formation in Southern New Castle County, Delaware |
Groot, J.J., Demicco, P.M., Cherry, P.J. |
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OFR26 Salinity Distribution and Ground-Water Circulation beneath the Coastal Plain of Delaware and the Adjacent Continental Shelf |
Groot, J.J. |
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OFR23 Ground-Water Availability in Southern New Castle County, Delaware |
Groot, J.J., Demicco, P.M., Cherry, P.J. |
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SP7 Selected Fossil Collecting Locations in Delaware and Minerals in Delaware |
DGS Staff |
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SP5 Geology and Earth Resources of Delaware |
DGS Staff |
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RI8 Evaluation of the Water Resources of Delaware |
Baker, W.W., Varrin, R.D., Groot, J.J., Jordan, R.R. |
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RI6 Some Observations on the Sediments of the Delaware River South of Wilmington |
Jordan, R.R., Groot, J.J. |
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SP2 Long-Range Plan for Water Resources Investigations in Delaware |
DGS Staff |
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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. |
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