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  • All fields: Placers
(314 results)



Display: 50

    • U.S. Gold Placers

    • Aerial view of the San Miguel River, a truss bridge, and probably a placer mine site of the U.S. Gold Placer Company, in Montrose County or San Miguel County, Colorado. Shows a frame building and trees by the river.
    • San Miguel County (Colo.)--1880-1890.; San Miguel River (Colo.)--1880-1890.; Buildings--Colorado--1880-1890.; Gold mining--Colorado--1880-1890.; Hydraulic mining--Colorado--1880-1890.; Rivers--Colorado--1880-1890.
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    • Placer gold fields, Russell, Colo.

    • View of Russell, Costilla County, Colorado, includes dwellings, outbuildings, mining sheds, Sangre de Cristo Creek and Denver and Rio Grande railroad engine, freight cars and passenger coach. Identified locations are: "1. Spanish Basin Placers, 2....
    • Russell (Colo.)--1890-1900.
    • 1897
    • 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?]
    • 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?]
    • U.S. Gold Placers No. 13, Sa[n] Mi[gue]l River

    • View of the San Miguel River, a bridge, and a placer site of the U.S. Gold Placer Company in Montrose County or San Miguel County, Colorado. Shows frame buildings and piles of lumber by the river.
    • San Miguel River (Colo.)--1880-1890.; Bridges--Colorado--1880-1890.; Gold mining--Colorado--1880-1890.; Hydraulic mining--Colorado--1880-1890.; Mining--Colorado--1880-1890.; Rivers--Colorado--1880-1890.
    • [between 1886 and 1889?]
    • Mining Index to Hollister, Henderson and Canfield Histories

    • Mining index to Henderson, Hollister, and Canfield mining histories. Names of mines, mining companies, mining districts, lodes, veins, claims, and tunnels are indexed with page number.
    • Mines and mineral industries--Colorado--Directories.; Mines and mineral resources--Colorado--Directories.;
    • 1995
    • Placer Mining on San Miguel River, Colo., U.S. Gold Placers, No. 26

    • Men stand beside hydraulic nozzles (monitors) fitted with rock counterbalances, or use shovels inside a wash, at a U.S. Gold Placers mining operation on the San Miguel River in San Miguel County, Colorado. Shows a water conduit and a wooden framed...
    • San Miguel County (Colo.)--1880-1890.; San Miguel River (Colo.)--1880-1890.; Gold mining--Colorado--San Miguel County--1880-1890.; Hydraulic mining--Colorado--San Miguel County--1880-1890.; Miners--Colorado--San Miguel County--1910-1920.;...
    •  
    • U.S. Gold Placers no 13, looking up San Miguel River

    • View of the San Miguel River, a bridge, and a placer site of the U.S. Gold Placer Company in Montrose County or San Miguel County, Colorado. Shows frame buildings and piles of lumber by the water.
    • San Miguel River (Colo.)--1910-1930.; Bridges--Colorado--1910-1930.; Gold mining--Colorado--1910-1930.; Hydraulic mining--Colorado--1910-1930.; Rivers--Colorado--1910-1930.
    • [between 1919 and 1930?]
    • Extension of ditch for Gold Queen Placers

    • Miners work on what is identified as a Gold Queen placer ditch, probably near the San Miguel River (Montrose County or San Miguel County) Colorado. Men pose on piles of gravel on a hillside and carry pickaxes, shovels, and sledgehammers.
    • Ditches--Colorado--1880-1900.; Construction--Colorado--1880-1900.; Gold miners--Colorado--1880-1900.; Gold mining--Colorado--1880-1900.; Hydraulic mining--Colorado--1880-1900.; Mining--Colorado--1880-1900.
    • [between 1886 and 1895?]
    • 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.
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    • U.S. Gold Placers, No. 7, flume passing over a rocky gorge

    • Men pose in a U.S. Gold Placers Company flume supported by a timber trestle, probably near the San Miguel River (Montrose County or San Miguel County), Colorado. Steep rock walls of a gorge are above and below the wooden flume.
    • Canyons--Colorado--1880-1890.; Flumes--Colorado--1880-1890.; Gold mining--Colorado--1880-1890.; Hydraulic mining--Colorado--1880-1890.; Mining--Colorado--1880-1890.; Trestles--Colorado--1880-1890.
    • [between 1886 and 1889?]
    • 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.
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    • Pressure box no. 2, U.S. Gold Placers no. 32

    • Men sit on a wooden pressure box at the end of a flume used for hydraulic mining by the U.S. Gold Placers Company, near the San Miguel River in Montrose or San Miguel County, Colorado. A building and tents are in the valley in the distance.
    • United States Gold Placers, Ltd.--1880-1890.; Flumes.; Hydraulic mining.; Mining equipment.
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    • 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)
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