Browsing Great Lakes Geologic Mapping Coalition by Author "Martin, Dean R."

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  • 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 ...

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