Michigan Dept. of Environment, Great Lakes, and EnergyThis dataset includes the locations of known inactive coal mine shafts created by MDNR, Land and Mineral Services Division, Resource Mapping and Aerial Photography Section in 2001. It also includes an inventory of the known inactive underground mines (non-coal) prepared by the Mineral Technology Research Group, Department of Mining Engineering, Michigan Technological University, Houghton, Michigan completed in Dec 1998 . For more information, visit Michigan.gov/EGLE/Maps-Data/GeoWebFace or contact EGLE-GeoWebFace@michigan.gov . Field Name Field Descriptions OBJECTID ESRI ID Number MineName Name of coal mine if available Comments Comments regarding object. MineType Generic Type of mine: includes prospects, coal mines, mines, and exploration CoalDepthFt Depth of coal mine. CountyName County name. Range Range location. Section Section location SiteID ID number for site. Township Township location. TownshipName Township name LocationDetails Additional location details. ProdYears Years mine was producing. AmountProduced Amount produced (in tons) Operator Company operating the mine. OreType Type of ore body. MineMethod Details of mining methods. MapSource Source of location data. DataSource Other data source. Longitude X coordinates Latitude Y coordinates Mineral General type of mineral mined if known: includes copper, iron, coal, gold, unknown, silver, gold/silver, slate, gypsum, vanadium, graphite, gold/copper, salt, and nickel. MineLabel Type of mine if known: combination of minerals mines and generic type of mine. Many types.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/1ffb729573d74e19bb1410a6e0f42a88_5engState of Michigan Open Data PortalPublicMichigan Inactive Coal and Non-Coal Mine Features [Michigan]Web servicesMichiganLast Modified: 2025-09-24