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purdue

242. Unconsolidated Thickness DEM : Indiana

2015. Indiana Geological Survey. UNCONSOLIDATED_THICKNESS_DEM_100M_IGS_IN.TIF is digital elevation model (DEM) in TIFF format that shows the thickness of unconsolidated sediments i...
purdue

244. Underground Coal Mines: Indiana, 2008

2017. Indiana Department of Natural Resources, Division of Reclamation and Indiana Geological Survey. COAL_MINE_ENTRIES_DNR_IN.SHP contains the entrance locations of all documented underground coal mine entrances that have operated in the coal regio...
purdue

246. Underground Coal Mines: Indiana, 2010

2017. Indiana Department of Natural Resources, Division of Reclamation and Indiana Geological Survey. COAL_MINE_UNDERGROUND_DNR_IN.SHP provides the locations of all documented underground coal mines that have operated in the coal region of Indiana s...
ohio-state

250. Usdw - Boundaries: Ohio

Ohio Department of Natural Resources. The Ohio Department of Natural Resources, Division of Geological Survey, with partial funding from the USEPA through the Ohio EPA, has mapped the l...
illinois

251. Woodfordian Moraines of Illinois, 2004

1991. Illinois State Geological Survey. This is an SDE polygon feature class containing named Woodfordian moraines, or Wisconsinan end moraines, of Illinois. Scale is 1:500,000. The prima...