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    2024 Mining History Association

     

     All-Day Field Trip: Park City
    Historic Mining Sites and Structures

     

    Leaders, Friends of Ski Mountain Mining History

    Park City, Utah

    June 6, 2024

     

    PHOTO GALLERY 3

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    The next stop on the tour was the Silver Star Resort where we were able to see several examples of how historic mining buildings and other features have successfully been incorporated and repurposed.  The most notable feature at the site is the Spiro Tunnel named for Solon Spiro.  He came to Park City as a young man and became the owner of several mining properties.  The tunnel was planned to drain water from mines in the Thaynes Canyon area, including the Silver King Consolidated Mine, AKA the King Con, which was then owned by Spiro.  It was hoped that the tunnel would also intersect yet undiscovered ore bodies.  By 1924, having found no new ore and facing financial difficulties, Spiro was forced to sell out to his rival the Silver King Coalition.  They extended the tunnel 40 feet and hit new ore at 13,650 feet from the entrance.


    SPIRO TUNNEL AT THE SILVER STAR

     

     

    The Silver Star Resort complex was developed with an eye toward integrating a number of historic mining buildings and other artifacts into its design.

     

    (Left) A boiler house and the adjacent coal hopper has been restored.  (Above) This set of pulleys looks like it came from a stamp mill.


    The MHAers find a little shade while the Manager of the Silver Star describes their preservation efforts and adaptive reuse of mine buildings on the property.

     

    The entrance to the Spiro Tunnel with interpretive signage telling its history.

     


    The MHAers learn how the tunnel entrance is supported with concrete.

    Once inside, the old wooden timbering has been replaced with roof bolts, wire mesh, and Gunite (sprayed concrete).


    Modern Split Set roof bolts are driven into drill holes to support fractured rock.

     

    A “Y” shaped junction of mine drifts provides room for a maintenance shop area.

     

    (Above) The tunnel extends over 13,000 feet into the mountain to still drain the workings of several mines.  A narrow gage track is still used to haul equipment in the tunnel.

     

    (Right) A closeup view of the large pipes that carry the water to the municipal water plant across the road from the Silver Star.  Over 25% of Park City’s water supply comes from the Spiro Tunnel.

     

     




    (Above) The Park City Museum displays one of the original cars from the 1960s era “Skier Subway.”  It carried skiers through the Spiro Tunnel to the Thaynes Shaft where they were hoisted in the mine cage 1880 feet to the surface for a spectacular run down the ski trails.  The “Subway” was replaced by the higher capacity chair lifts and gondolas used today.

     

    (Right) The MHAers enjoy a tasty box lunch in Rotary Park before continuing the tour.

     



    You can learn more about the Silver King Coalition Mine at the websites below:

    https://parkcityhistory.org/mining

    https://parkcityhistory.org/mining/silver-king-mine

    https://www.loc.gov/item/ut0090

     

     


    Photos Courtesy of Lynn and Mark Langenfeld, Pat and Mike Kaas, Chris Huggard, Brian Buck,

    Jack Crawford, Library of Congress, Park City Museum and Friends of Ski Mountain Mining History

     



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