RI50 Plant Microfossils of the Calvert Formation of Delaware |
Groot, J.J. |
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SP17 The Delaware Geological Survey: The Formative Years, 1951-1969 |
Groot, J.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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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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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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B16 Ground-Water Resources of the Piney Point and Cheswold Aquifers in Central Delaware as Determined by a Flow Model |
Leahy, P.P. |
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SP10 Selected Papers on the Geology of Delaware |
Jordan, R.R., Pickett, T.E., Kraft, J.C., Sheridan, R.E., Spoljaric, N., Thompson, A.M., Woodruff, K.D., Varrin, R.D., Leavens, P.B., Carey, W.L. |
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RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware |
Shapiro, E., Richards, H.G. |
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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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RI2 High-Capacity Test Well Developed at the Air Force Base, Dover, Delaware |
Rasmussen, W.C., Groot, J.J., Depman, A.J. |
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B6 The Water Resources of Northern Delaware |
Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |
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B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal |
Organist, D.M., Richards, H.G., Groot, J.J. |
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B2 Geology and Ground-Water Resources of the Newark Area, Delaware with a Section on the Surface Water Resources |
Groot, J.J., Rasmussen, W.C., Hulme, A.E. |
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