Browsing Great Lakes Geologic Mapping Coalition by Title

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  • Rupp, Robin F.; Olejnik, Jennifer; Hasenmueller, Nancy R.; Walls, A. Chris; Radhakrishnan, Premkrishna; Karaffa, Marni D.; Eaton, Nathan K. (U.S. Geological Survey, 2008)
    The Internet is becoming the medium of choice for delivering geologic information to both technical users and the general public. The Indiana Geological Survey (IGS) is currently creating a Web-based glacial and bedrock ...
  • Letsinger, Sally L.; Olyphant, Greg A.; Medina, Cristian R. (2006-11-20)
    The U.S. Geological Survey (USGS) (2001) mapped structure contours for the tops of each of 20 individual units in intersecting and overlapping glacial morphosequences in Berrien County, Michigan (1,350 km2), as part of the ...
  • Medina, Cristian R.; Olyphant, Greg A.; Letsinger, Sally L. (2006-11-20)
    The goal of this research is to develop a model that describes the saturated and unsaturated groundwater flow in Berrien County, Michigan (1,350 km2), an area containing a complex sequence of glacio-lacustrine deposits. ...
  • Pavey, Richard R.; Olyphant, Greg A.; Letsinger, Sally L. (2008)
    The Central Great Lakes Geologic Mapping Coalition (CGLGMC) is a partnership among the state geological surveys of Ohio, Indiana, Illinois, and Michigan, and the U.S. Geological Survey. The mission of the CGLGMC is to ...
  • McDonald, James; Pavey, Richard R.; Venteris, Erik R.; Wells, Joseph G. (U.S. Geological Survey, 2008)
    The Ohio Department of Natural Resources, Division of Geological Survey is currently mapping the surficial geology of Ohio in three dimensions (3-D) using a modified version of the stack-mapping technique of Kempton (1981). ...
  • Raab, James; Haiker, Bill; Jones, Wayne; Angle, Michael; Pavey, Rick; Swinford, Mac; Powers, Donovan (ODNR-Division of Water, Division of Geological Survey, 2009-01)
    On March 18, 2008 ground water levels rose to 40-year high levels in the Bellevue, Ohio area. Sinkholes, rounded depressions in the landscape formed by solution of bedrock or collapse of an underlying cavity, which typically ...
  • Naylor, Shawn; Nelson, Greg C.; Gustin, Andrew R. (2008-10-08)
    A three-dimensional geologic model of the Huntertown glacial aquifer system is being developed. Permeable hydrostratigraphic units within the Huntertown Formation (Quaternary) comprise the principal ground-water resource ...
  • Swinford, E. Mac; Powers, Donovan M.; Angle, Michael P.; Pavey, Richard R. (ODNR Division of Geological Survey, 2012-07-12)
    On March 18, 2008, ground water levels rose to a 30-year high in the Bellevue, Ohio, area. Surface and near-surface geologic conditions combined with unusually high precipitation caused extensive flooding of fields, roadways, ...
  • Aden, D. J. (ODNR Division of Geological Survey, 2013)
    Karst terrain forms by dissolution of carbonate rocks, such as limestone or dolomite, or evaporites, such as gypsum or salt, and is characterized by features including sinkholes, disappearing streams, caves, and springs. ...
  • Aden, D. J.; Martin, D. R. (Ohio Department of Natural Resources, Division of Geological Survey, 2014)
    Karst terrain forms by dissolution of carbonate rocks, such as limestone or dolomite, or evaporites, such as gypsum or salt, and is characterized by features including sinkholes, disappearing streams, caves, and springs. ...
  • Aden, Douglas J.; Powers, Donovan M.; Pavey, Richard R.; Jones, D. Mark; Martin, Dean R.; Shrake, Douglas L.; Angle, Michael P. (Ohio Department of Natural Resources, Division of Geological Survey, 2011)
    To locate sinks, LiDAR was used to create an ArcGIS layer that identified low, enclosed areas. These low spots were cross referenced with known karst points, bedrock geology, aerial photography (multiple sources/ages), ...
  • Aden, Douglas J.; Powers, Donovan M.; Pavey, Richard R.; Jones, D. Mark; Martin, Dean R.; Angle, Michael P. (Ohio Department of Natural Resources, Division of Geological Survey, 2011)
    Karst terrain forms by dissolution of carbonate rocks (limestone or dolomite) and occasionally evaporates (gypsum or salt) and is characterized by features such as sinkholes (or sinks), disappearing streams, caves, and ...
  • Pavey, R. R.; Stone, B. D (ODNR Division of Geological Survey, 2013-09)
  • Venteris, Erik R.; Shrake, Douglas L.; Larsen, Glenn E.; Angle, Michael P.; Pavey, Richard R.; Wolfe, Mark E. (Ohio Department of Natural Resources; Division of Geological Survey, 2011-02)
    The Ohio Department of Natural Resources (ODNR), Division of Geological Survey has completed a reconnaissance map showing areas of mineable bedrock, including shale, limestone, and dolomite, likely covered by thin surficial ...
  • Jones, D. M.; Pavey, R. R.; Larsen, G. E.; Aden, D. J.; Angle, M. P. (ODNR Division of Geological Survey, 2013-08)
    Bedrock geology in the Lima quadrangle ranges from the Ordovician-age Cincinnati group to the Silurian-age Salina Group (Slucher and others, 2006). Derivative mapping shows that four units have potentially economic-quality ...
  • Shrake, Douglas L.; Venteris, Erik R.; Larsen, Glenn E.; Angle, Michael P.; Pavey, Richard R.; Wolfe, Mark E.; Powers, Donovan M. (Ohio Department of Natural Resources, Division of Geological Survey, 2011-02)
    The Ohio Department of Natural Resources (ODNR), Division of Geological Survey has completed a reconnaissance map showing areas of mineable bedrock, including shale, limestone, and dolomite, likely covered by thin surficial ...
  • Pavey, Richard R.; Aden, Douglas J.; Larsen, Glenn E.; Angle, Michael P.; Wolfe, Mark E. (Ohio Department of Natural Resources, 2011-08)
    The Ohio Department of Natural Resources (ODNR), Division of Geological Survey has completed a reconnaissance map showing areas of mineable sand and gravel resources in the Canton, Ohio, 30 x 60-minute 1:100,000-scale ...
  • Venteris, Eric R.; Shrake, Douglas L.; Larsen, Glenn E.; Pavey, Richard R.; Schumacher, Gregory A. (Ohio Department of Natural Resources; Division of Geological Survey, 2011-03)
    The Ohio Department of Natural Resources (ODNR), Division of Geological Survey has completed a reconnaissance map showing areas of mineable sand and gravel resources in the Mansfield, Ohio, 30 x 60 minute (scale 1:100,000) ...
  • Pavey, Richard R.; Larsen, Glenn E.; Angle, Michael P.; Aden, Douglas J.; Jones, D. Mark (Ohio Department of Natural Resources, 2011-09)
    The Ohio Department of Natural Resources (ODNR), Division of Geological Survey has completed a reconnaissance map showing areas suitable for solid waste disposal in the Lorain, Ohio, 30 x 50-minute (1:1,100,000-scale) ...

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