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  • All fields: Mining--Colorado--Summit County--1880-1890.
(4 results)



Display: 50

    • Gold Pan pit showing timbering

    • Gold Pan pit showing timbering

    • Evans Gold Pan placer mine, in Summit County, Colorado, is an open pit with timbering, a hydraulic elevator platform, stacker, processing sheds, and tailing piles. Miners work with a crane and jets of water by cribs at the bottom.

    • Tailings embankments--Colorado--Summit County--1880-1890.; Summit County (Colo.)--1880-1890.; Gold mining--Colorado--Summit County--1880-1890.; Hoisting machinery--Colorado--Summit County--1880-1890.; Hydraulic mining--Colorado--Summit...

    • [between 1880 and 1890?]
    • Testing gravel before building a dredge

    • Testing gravel before building a dredge

    • A miner stands next to a churn drill; a cable rig used for sampling placer gravel, Summit County, Colorado.

    • Summit County (Colo.)--1880-1890.; Drilling & boring machinery--Colorado--Summit County--1880-1890.; Hydraulic mining--Colorado--Summit County--1880-1890.; Mining--Colorado--Summit County--1880-1890.

    • [between 1880 and 1890?]
    • T. M. Bown Ida Tunnel Summit Dist Alt 11800 ft.

    • T. M. Bown Ida Tunnel Summit Dist Alt 11800 ft.

    • Miners pose at the entrance to the Ida Tunnel Mine in Summit County, Colorado.

    • Ida Tunnel Mine (Summit County, Colo.)--1880-1890.; Summit County (Colo.)--1880-1890.; Miners--Colorado--Summit County--1880-1890.; Mining--Colorado--Summit County--1880-1890.

    • [between 1880 and 1888]
    • Farncomb Hill from the north

    • Farncomb Hill from the north

    • View of mine buildings and tailing sites on Farncomb Hill near Breckenridge (Summit County), Colorado. Mines and workings are identified as Dogtown on Dry Gulch, the Wapiti group, the Boss and Key West workings, the Ontario. Shows Georgia Gulch,...

    • Farncomb Hill (Colo.)--1880-1890.; French Pass (Colo.)--1880-1890.; Georgia Gulch (Summit County, Colo.)--1880-1890.; Guyot, Mount (Colo.)--1880-1890.; Summit County (Colo.)--1880-1890.; Mining--Colorado--Summit County--1880-1890.

    • [between 1885 and 1890?]

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