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Upper Peninsula Regional Digitization Center

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    • Ore Pier

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company

    • DSS&A Ry.
      May 1887

      Ore Pier
      J.W. Murphy, Supt. Docks, $150.00 per month.
      W.R. Hallan, Foreman, Docks, $100.00 per month.
      A.E. Finney, " , ", $100.00 per month.
      F.A. Jory, Shipping Agent, Docks, $75.00 per month.
      D.S....
    • Williams Album 0 : p. 90

    • Athletics
    • Newspaper clippings on various topics (1913, 1939). Page is hand numbered ""90"". -- 1913 - The Copper Country [school] Superintendents Round Table will take place at Houghton Central school. -- Calumet High School orchestra recognized, including a...
    • D Shaft of Chapin Mine

    • Mines and mineral resources
    • Photograph of the freezing process used to sink D Shaft of the Chapin Mine through over 90 feet of rock and loose sand. This historic photograph of the freezing process records what may have been the first such attempt in the United States.
    • Cable anchor framework

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • These steel frames are the structural members to each of the two cable anchor piers. Each of the three frames is 106 tons with dimensions of 135' h, 35' w, and 75' w. When assembled they rested in 90 feet of water. These units were placed on...
    • Caisson launch

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • The first section of the tower caissons were constructed at Alpena, MI, launched from the beach and towed by tugboat to the construction site 90 miles to the Northwest. The ""soil"" was so hard that dynamite was used to break it up so drag lines...
    • Tower caisson

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • This completed first section of a tower caisson (No. 20) is ready to take the trip to the bridge 90 miles away. The unit was built on the beach. The crane had to dredge a channel so the caisson could be towed off the beach and into Lake Huron for...
    • Construction equipment

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • Merritt-Chapman & Scott marine construction equipment making a channel at Alpena, MI in order to float the first section of tower caisson No. 20 out of the assembly area and into Lake Huron for the 90 mile trip to the bridge site.
    • The creeper

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • Here the 5th tier is going on. It can be seen that the creeper was simple but very functional. It could reach up to almost 90 feet. Then it was time to climb to the next working level.
    • Tower caisson

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • Workers complete the inner wall of the first section of a tower caisson. These water-tight, eight compartment fabrications were towed by tug to the bridge site 90 miles to the northwest.
    • F.C. O'Reilly is not quite ""broke""

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company
    • Source: The L'Anse Sentinel
      L'Anse, L. S., Mi.
      November 8, 1890 Saturday

      F. C. O'Reilly is not quite "broke" yet, notwithstanding his heavy losses on the DSS&A contract. The other day he bought the trotter Hanover for $15,500 and...
    • Lake Michigan and Lake Superior

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company
    • Source: Aids, Gifts, Grants and Donations to Railroads
      including Outline of Developments and Successions (b) Michigan Railroad Commission.

      Wyankoop Hallenbeck Crawford Company, 1919

      Lake Michigan and Lake Superior Railway...
    • DSS&A rushed into Sault this fall

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company
    • Source: Sault Ste. Marie Democrat
      Sault Ste. Marie, Chippewa County, Mi.
      October 13, 1887
      Thursday

      The DSS&A have rushed into the Sault this fall, not expecting to make expenses, but next year they will make it...
    • Glad to make the correction

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company
    • Source: Manistique Tri-Weekly Pioneer
      Manistique, Mi.
      Wednesday, Dec. 7, 1887

      Glad to Make the Correction
      A week ago we published an item, the text for which we got out of an exchange, to the effect that the DSS&A had charged...
    • Contract let

    • Railroads ; Duluth, South Shore, and Atlantic Railway Company

    • Source: Negaunee Iron Herald
      Negaunee, (L. S..) Mi.
      May 3, 1888
      Thursday

      The Contract Let

      The contract for building the branch railroad from the main line of the DSS&A to the Palmer mines has been let to Innes Bros., who...

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