2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/10426Photo No.5. Buildings near Portal of Black Hawk Tunnel and mill site. Cottages for employees on left. Boarding house in center right.Date scanned: 2001-09-12.Identifier: NMHFM-642.Mounted on construction paper in bound manuscript; text on manuscript.Held in the National Mining Hall of Fame and Museum.Donor: Dick Bowman.Claims were staked in the Alta basin by the mid 1870s and silver ore was being shipped by 1878. Although most of the area mines operated intermittently, a few of the larger mines were steady producers. By the late 1940s the district was inactive.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMinersSilver mines and miningUnderground miningStillImage