• Southern New Castle – Northern Kent Counties Groundwater Monitoring Project: Results of Subsurface Exploration and Hydrogeological Studies 

  Andres, A.S.; Coppa, Z.J.; He, C.; McKenna, T.E. (Newark, DE: Delaware Geological Survey, University of Delaware, 2018-11)

  The Delaware Geological Survey, in cooperation with the Department of Natural Resources and Environmental Control, completed a groundwater-monitoring, infrastructure-construction, and data-collection project in southern ...
• Southern New Castle – Northern Kent Counties Groundwater Monitoring Project: Results of Subsurface Exploration and Hydrogeological Studies 

  Andres, A.S.; Coppa, Z.J.; He, C.; McKenna, T.E. (Newark, DE: Delaware Geological Survey, University of Delaware, 2018-11)

  The Delaware Geological Survey, in cooperation with the Department of Natural Resources and Environmental Control, completed a groundwater-monitoring, infrastructure-construction, and data-collection project in southern ...
• Characterization of Tidal Wetland Inundation in the Murderkill Estuary 

  McKenna, T.E. (Newark, DE: Delaware Geological Survey, University of Delaware, 2018-03)

  A parameterization of tidal marsh inundation was developed for the 1,200 hectares of tidal marsh along the 12-km reach of the tidal Murderkill River between Frederica and Bowers Beach in Kent County, Delaware. A parsimonious ...
• Investigation of Submarine Groundwater Discharge at Holts Landing State Park, Delaware: Hydrogeologic Framework, Groundwater Level and Salinity Observations 

  Andres, A.S.; Michael, H.A.; Russoniello, C.J.; Fernandez, C.; He, C.; Madsen, J.A. (Newark, DE: Delaware Geological Survey, University of Delaware, 2017-05)

  Monitoring wells and groundwater sensors were installed and monitored in and around Holts Landing State Park on the Indian River Bay, eastern Sussex County, Delaware, between October 2009 and August 2012. Data from test ...
• Investigation of Submarine Groundwater Discharge at Holts Landing State Park, Delaware: Hydrogeologic Framework, Groundwater Level and Salinity Observations 

  Andres, A.S.; Michael, H.A.; Russoniello, C.J.; Fernandez, C.; Madsen, J.A. (Newark, DE: Delaware Geological Survey, University of Delaware, 2017-05)

  Monitoring wells and groundwater sensors were installed and monitored in and around Holts Landing State Park on the Indian River Bay, eastern Sussex County, Delaware, between October 2009 and August 2012. Data from test ...
• Simulation of Groundwater Flow and Contaminant Transport in Eastern Sussex County, Delaware With Emphasis on Impacts of Spray Irrigation of Treated Wastewater 

  He, C.; Andres, A.S. (Newark, DE: Delaware Geological Survey, University of Delaware, 2015-08)

  This report presents a conceptual model of groundwater flow and the effects of nitrate (NO3-) loading and transport on shallow groundwater quality in a portion of the Indian River watershed, eastern Sussex County, Delaware. ...
• Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware 

  Jengo, J.W.; McLaughlin, P.P.; Ramsey, K.W. (Newark, DE: Delaware Geological Survey, University of Delaware, 2013-03)

  The geology and hydrology of the area between Wrangle Hill and Delaware City, Delaware, have been the focus of numerous studies since the 1950s because of the importance of the local groundwater supply and the potential ...
• Simulation of Groundwater Flow in Southern New Castle County, Delaware 

  He, C.; Andres, A.S. (Newark, DE: Delaware Geological Survey, University of Delaware, 2011)

  To understand the effects of projected increased demands on groundwater for water supply, a finite-difference, steady-state, groundwater flow model was used to simulate groundwater flow in the Coastal Plain sediments of ...
• Stratigraphy, Correlation, And Depositional Environments Of The Middle To Late Pleistocene Interglacial Deposits Of Southern Delaware 

  Ramsey, K.W. (Newark, DE: Delaware Geological Survey, University of Delaware, 2010)

  Rising and highstands of sea level during the middle to late Pleistocene deposited swamp to nearshore sediments along the margins of an ancestral Delaware Bay, Atlantic coastline, and tributaries to an ancestral Chesapeake ...
• 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. (Newark, DE: Delaware Geological Survey, University of Delaware, 2008)

  The Bethany Beach borehole (Qj32-27) provides a nearly continuous record of the Oligocene to Pleistocene formations of eastern Sussex County, Delaware. This 1470-ft-deep, continuously cored hole penetrated Oligocene, ...
• The Occurrence Of Saline Ground Water In Delaware Aquifers 

  Woodruff, K.D. (Newark, DE: Delaware Geological Survey, University of Delaware, 1969-08)

  The location of the fresh-salt-water-boundary in the deeper aquifers of Delaware is related mainly to head values. Near coastal areas, dynamic conditions may prevail that affect the interface position within shallow aquifers ...
• Geology Of The Seaford Area, Delaware 

  Andres, A.S.; Ramsey, K.W.; Groot, J.J. (Newark, DE: Delaware Geological Survey, University of Delaware, 1996)

  This report supplements the map "Geology of the Seaford Area, Delaware" (Andres and Ramsey, 1995). The map portrays surficial and shallow subsurface stratigraphy and geology in and around the Seaford East and Delaware ...
• Locating Ground-Water Discharge Areas In Rehoboth And Indian River Bays And Indian River, Delaware Using Landsat 7 Imagery 

  Wang, L.T.; McKenna, T.E.; DeLiberty, T.L. (Newark, DE: Delaware Geological Survey, University of Delaware, 2008)

  Delaware’s Inland Bays in southeastern Sussex County are valuable natural resources that have been experiencing environmental degradation since the late 1960s. Stresses on the water resource include land use practices, ...
• Analysis And Summary Of Water-Table Maps For The Delaware Coastal Plain 

  Martin, M.J.; Andres, A.S. (Newark, DE: Delaware Geological Survey, University of Delaware, 2008)

  A multiple linear regression method was used to estimate water-table elevations under dry, normal, and wet conditions for the Coastal Plain of Delaware. The variables used in the regression are elevation of an initial water ...
• The Setters Formation In The Pleasant Hill Valley, Delaware: Metamorphism And Structure 

  Plank, M.O.; Schenck, W.S. (Newark, DE: Delaware Geological Survey, University of Delaware, 1997)

  The Setters Formation, identified on the southeast side of Pleasant Hill valley in well Cb13-16, contains the prograde mineral assemblages (1) microcline, biotite, and sillimanite +/- garnet, and (2) microcline, biotite, ...
• Geology Of The Milford And Mispillion River Quadrangles 

  Ramsey, K.W.; Groot, J.J. (Newark, DE: Delaware Geological Survey, University of Delaware, 1997)

  Investigation of the Neogene and Quaternary geology of the Milford and Mispillion River quadrangles has identified six formations: the Calvert, Choptank, and St. Marys formations of the Chesapeake Group, the Columbia ...
• Radiocarbon Dates From Delaware: A Compilation 

  Ramsey, K.W.; Baxter, S.J. (Newark, DE: Delaware Geological Survey, University of Delaware, 1996)

  Radiocarbon dates from 231 geologic samples from the offshore, coastal, and upland regions of Delaware have been compiled along with their corresponding locations and other supporting data. These data now form the Delaware ...
• Quality And Geochemistry Of Ground Water In Southern New Castle County, Delaware 

  Bachman, L.J.; Ferrari, M.J. (Newark, DE: Delaware Geological Survey, University of Delaware, 1995)

  Water samples were collected from 63 wells in southern New Castle County to assess the occurrence and distribution of dissolved inorganic chemicals in ground water. Rapid growth is projected for the study area, and suitable ...
• Herbicides In Shallow Ground Water At Two Agricultural Sites In Delaware 

  Denver, J.M. (Newark, DE: Delaware Geological Survey, University of Delaware, 1993)

  Several common herbicides used on corn and soybeans were detected in ground water at two agricultural sites in Delaware as part of a study of the distribution of herbicides in shallow ground water and the environmental ...
• Geologic And Hydrologic Studies Of The Oligocene - Pleistocene Section Near Lewes, Delaware 

  Andres, A.S.; Benson, R.N.; Ramsey, K.W.; Talley, J.H. (Newark, DE: Delaware Geological Survey, University of Delaware, 1990-10)

  Borehole Oh25-02, located about 3 miles southwest of Lewes, Delaware, ends at a total depth of 1,337 ft in a mid-Oligocene glauconitic silt unit. It penetrated 317 ft of glauconitic sands and silts between the base of the ...

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