Description

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Entrances to Underground Coal Mines, 2008 (1:24,000) - Shows the locations of entrances to underground coal mines that have operated in the coal region of Indiana since the mid-1800s. Includes information on entrance type (hoist shaft, other shafts, slope, unknown), depth, mine number, and source information (map number). Derived from the Indiana Coal Mine Information System (CMIS).

Dataset Attributes

  • OBJECTID
    Number
  • Type of Mine Entrance
    Text
    {"value"=>"Slope", "count"=>1971} (), {"value"=>"Hoist", "count"=>1131} (), {"value"=>"Other", "count"=>500} (), {"value"=>"UNK", "count"=>77} ()
  • Depth of Entrance Below Surface (feet)
    Number
    -9999 to 506
  • IGS Mine ID (CMIS)
    Number
  • IGS Mine Map ID (CMIS)
    Number
  • Shape
    Number
  • GlobalID
    Number

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