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Upper Peninsula Regional Digitization Center

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    • Engine House at copper mine

    • Transportation, Railroads, Copper Country
    • Photo of the engine house at one of the copper mines. Steam engines ran the hoisting drum that raised and lowered skip cars and man cages into the mines. Railroad car is likely a coal car as coal was commonly used as boiler fuel at these...
    • Hoisting machinery

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • This hoisting machinery was located at the base of each tower. Each cable drum went on one of the four lifting locations on the stiffening truss sections. The truss had to be lifted as level as possible. Workers used a ""ball"" spirit level to...
    • DSS&A railway depot

    • Railroad stations ; Duluth, South Shore, and Atlantic Railway Company


    • D.S.S. & A. RAILWAY DEPOT


      WEEKLY MINING JOURNAL
      May 11, 1901 P. 1 C.1

      NEW DEPOT ASSURED, SOUTH SHORE ROAD WILL ERECT IT ON FRONT STREET
      PLANS WILL BE HERE SHORTLY, CONSIDERABLE GRADING ON THE SITE COMPLETED
      THIS...
    • Schlessinger group

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company
    • Source: The Lake Superior Democrat
      Ishpeming, Mi.
      January 10, 1891 Saturday

      Schlessinger Group:- . . . The mines composing the group are Queen, Prince of Wales, Buffalo and South Buffalo. They occupy the center of an estate of 160...
    • Williams Album 0 : p. 36

    • Blackouts in war
    • Newspaper clippings and obituaries (1941-1942). Page is hand numbered ""36"". -- Practice blackout in Calumet, Laurium, the C & H Locations, and adjoining towns, reported by Sigurd Olson of the Civilian Defense. Blackout in Keweenaw county as well....

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