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  • All fields: Gold mining.
(41 results)



Display: 50

    • Gold mining near Buena Vista

    • View of a mine shaft near Buena Vista (Chaffee County), Colorado. Shows a winch, wheelbarrow, and pickaxe. Mount Princeton is in the distance.
    • Chaffee County (Colo.)--1880-1890.; Gold mining--Colorado--Chaffee County--1880-1890.; Hoisting machinery--Colorado--Chaffee County--1880-1890.; Mining equipment--Colorado--Chaffee County--1880-1890.; Mining--Colorado--Chaffee County--1880-1890.
    • [between 1882 and 1890?]
    • Derry gold dredge by Twin Peaks

    • Workmen stand on and near the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville (Lake County), Colorado.
    • Empire Gold Dredging Company--Equipment & supplies--1910-1930.; Lake County (Colo.)--1910-1930.; Dredges--American--Colorado--Lake County--1910-1930.; Gold mining--Colorado--Lake County--1910-1930.; Hydraulic mining--Colorado--Lake...
    • [between 1915 and 1926]
    • Flume on Cliff 400 feet above river, Montrose Placer Mining Company

    • View of the Montrose Placer Mining Company flume, in Montrose County, Colorado, under construction. A man is by stacked lumber; the Dolores Creek is below, at the bottom of sandstone cliffs. The water was used for hydraulic gold mining.
    • Dolores Creek (Colo.)--1890-1900.; Montrose County (Colo.)--1890-1900.; Flumes--Colorado--Montrose County--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.
    • 1890
    • U.S. Gold placer no. 6, San Miguel River : building flume

    • Men work on a flume for a U.S. Gold Placers mining operation beside the San Miguel River in Montrose or San Miguel County, Colorado. The workmen pose near a wooden flume that is under construction. Shows piles of lumber.
    • San Miguel River (Colo.-Utah)--1880-1890.; Construction.; Flumes.; Gold mining.; Hydraulic mining.; Laborers.; Rivers.
    • [between 1880 and 1890?]
    • U.S. Gold Placers, no. 30

    • View of a hydraulic monitor nozzle at a U.S. Gold Placers mining site near the San Miguel River in Montrose or San Miguel County, Colorado. A water pipe is on a hillside in the distance.
    • United States Gold Placers, Ltd.--1880-1890.; Gold mining.; Hydraulic mining.; Nozzles.
    •  
    • Giants at work, U.S.G.P. no. 28

    • View of a U.S. Gold Placers mining site beside the San Miguel River in Montrose or San Miguel County, Colorado. Two hydraulic monitor nozzles are used to wash gravel from the soil. A water pipeline feeds the nozzles. The pipe rests in wooden...
    • United States Gold Placers, Ltd.--1880-1890.; San Miguel River (Colo.)--1880-1890.; Gold mining.; Hydraulic mining.; Rivers.; Nozzles.
    •  
    • U.S. Gold Placers, no. 16, hauling pipes into place

    • Men haul a large section of water pipe on a small wooden skid through cedar and pine trees near the San Miguel River in Montrose or San Miguel County, Colorado. The pipe is to be used to move water for a hydraulic placer mine. A rope, attached to...
    • United States Gold Placers, Ltd.--1880-1890.; Construction workers.; Construction.; Gold mining.; Horses.; Hydraulic mining.; Pipelines.; Pipes (Conduits)
    •  
    • U.S. Gold Placers no. 2, looking down

    • View of a U.S. Gold Placers company flume beside the San Miguel River in Montrose or San Miguel County, Colorado. Wooden timbers form a square water trough used to transport water for hydraulic mining. Excess water pours from a hand gate in the...
    • United States Gold Placers, Ltd.--1880-1890.; San Miguel River (Colo.)--1880-1890.; Flumes.; Gold mining.; Hydraulic mining.; Rivers.
    •  
    • Hand gate of placer works Dallas, Colo.

    • View of a Wooden pressure box and hand gate on a flume on a hillside near Dallas in Ouray County, Colorado. Wooden timbers form a square water trough used to transport water for hydraulic mining. The hand gate is used to release water from the...
    • Dallas (Colo.)--1880-1890.; Ouray County (Colo.)--1880-1890.; Flumes.; Gold mining.; Hydraulic mining.; Rivers.
    •  
    • Placer mining

    • Men pose near monitor nozzles probably for a U.S. Gold Placers mining operation near the San Miguel River in Montrose County or San Miguel County, Colorado. Piles of large rocks anchor the nozzles and the water pipe that supplies the monitors.
    • Gold mining.; Hydraulic mining--1880-1890.; Miners.; Rivers.
    • [between 1880 and 1890?]
    • The Real Pioneers of Colorado

    • Transcript of a document originally written by Maria Davies McGrath in 1934. This document contains transcripts of all three volumes, arranged alphabetically by pioneers last name. Within each entry is a brief biography of the individual (s) who...
    • Pioneers--Colorado.; Colorado--Biography.
    • 1934
    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Cities and towns--Colorado--Denver.
    • 1901

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