text: Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Historic Sites, Historic Mines, [Possibly the Old Centennial Mine. The image shows a rail way, shaft rock house, hoist cable support structures and a couple of other mine related buildings.]
  Map- Houghton, Michigan
  Historic Sites, Historic Districts, Locomotion, Boats and Boating, Buildings Bird's eye view of Houghton [Shows the Portage, road ways, buildings and overall layout of early Houghton].
  Scanned: May 2, 2012
  Minesota Mine Lithograph
  Buildings, Dwellings, Historic Sites, Historic Mines, Copper Mines and Mining Co. Minesota Mine. Picture taken from South view. Image originally taken from an oversized lithograph that is located at the Houghton Country Museum.