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Upper Peninsula Regional Digitization Center

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(328 results)



Display: 20

    • Rock cut

    • Iron Range & Huron Bay Railroad, Railroads--Design and construction
    • View showing early work on the rock cut during construction of the Iron Range & Huron Bay Railroad. Arvon Township, Baraga County, Michigan. This nearly $2 million railroad was to run from Skanee to Champion MI. Engineering flaws and a steep...
    • Rock cut

    • Iron Range & Huron Bay Railroad, Railroads--Design and construction
    • View of work on the bottom of the rock cut during construction of the Iron Range & Huron Bay Railroad. Arvon Township, Baraga County, Michigan. This nearly $2 million railroad was to run from Skanee to Champion MI. Engineering flaws and a steep...
    • Bridge

    • Transportation, Railroads, Copper Country
    • Two Copper Range railroad work trains with mobile cranes work from existing wood trestle while constructing a new trestle of steel. The Copper Country of Michigan's Upper Peninsula
    • Train

    • Transportation, Railroads, Copper Country
    • Train load of rock or ore behind Mineral Range RR engine #198 stops for switch on a spring day in the Copper Country of Michigan's Upper Peninsula
    • Second Bridge

    • Bridges, Portage Lake (Houghton County, Mich.)
    • This view of the second Portage Lake bridge built in 1895 was taken from the Hancock side. Note the speed limit sign next to the horse drawn carriage (""slow to 15 MPH""). In the left foreground a train approaches the lower level of the bridge...
    • Second Bridge

    • Bridges, Portage Lake (Houghton County, Mich.)
    • This view of the second Portage Lake bridge build in 1895 was taken from the Houghton side. This two level bridge allows the train to use the lower level of the bridge to make its crossing. The upper deck is where autos and pedestrians cross...
    • Stiffening Trusses

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • This photo shows the upper part of the hoisting machinery. The lifting girder with block and tackle is supported by the bridge suspension cables as the stiffening truss section is railed into place and attached to the ropes.
    • Stiffening Trusses

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • This photo shows the upper part of the hoisting machinery. The lifting girder with block and tackle is supported by the bridge suspension cables as the stiffening truss section is railed into place and attached to the ropes.

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