General/Base Info:
Colorado-Philadelphia Mill [aka Colorado-Philadelphia Reduction Company Works]
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Info Last updated: 27.10.2020 (10:35:50)
This bad quality view shows most of the structures making up this large mill operation near the Colorado Midland tracks in Colorado City.The Colorado-Philadelphia Reduction Co. Colorado City
Photo by: Unknown
From page 11 in the Mining and Metallurgical Journal August 1, 1898 (Vol 19, No 9).
Media ID: 63
This postcard view of the massive Colorado-Philadelphia Mill, and the Standard Mill helps give the impression on how huge these mills can be, laying in the outskirts to the west of Colorado City, with what I believe is the mainline of the Colorado Midland seen along the bottom edge.
   If I am correct the structures to the right are part of the Standard Mill, while the ones furthest away, left side of the card, those are the structures of the Colorado-Philadelphia Mill.Reduction Works, Colorado City, Colo.
Photo by: Unknown
My Collection; Postcards.
Media ID: 271
Id No. (Mine / 1902 map):
Chlorination Mill
Date Located / Formed:
Colorado City
Location Map Description:
Discovery / Formed by:
    Fate details:
    Closed in 1904, unknown reason
    Owned by:
      Known claims:
        Location Claim Description:
        Patented Date:
        Mineral Certificate No.:
        General Land Office No.:
        Known Transportation Connection:
          Extra Info/Details [Linked at One Time to the Entity]:
          Chlorination Mill
          Known Producing Info:
          General notes:
          In 1896, at the foot of the hogbacks, near the eastern edge of what is now the Red Rock Canyon property, the Colorado-Philadelphia Reduction Company built a chlorination mill for refining Cripple Creek gold ore. The mill which was completed in September of 1896 was the largest of its kind in the United States. The location of the mill at the base of the hogbacks was well chosen since it was less than a quarter mile from the main Midland tracks, close to an abundant source of building stone, and on the outskirts of Colorado City which was the industrial center of the region. Hundreds of tons of red sandstone from the Kenmuir Quarry in Red Rock Canyon went into its three foot thick foundation.
          graphic for visual presentation of text The Mill closed in 1904.