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  • All fields: Mining.
(1798 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?]
    • Hydraulic mining. The flume - near Smartsville, Yuba County

    • View of a wooden flume on a high trestle, for placer gold mines near Smartville, Yuba County, California.
    • Smartville (Calif.)--1860-1880.; Flumes--California--Yuba County--1860-1880.; Hydraulic mining--California--Yuba County--1860-1880.; Mining--California--Yuba County--1860-1880.
    • [between 1865 and 1880?]
    • Hydraulic mining. The sluice blocks

    • View of a placer gold mine sluice between eroded embankments in California.
    • Sluices--California--1860-1880.; Hydraulic mining--California--1860-1880.; Mining--California--1860-1880.
    • [between 1865 and 1880?]
    • Hydraulic mining. Miners piping off top dirt

    • View of a man using "Hydraulic Chief" type nozzles to aim jets of water at an eroded bluff, in (probably) California. Another man stoops in the gold mine, wearing a raincoat.
    • Hydraulic mining--California--1860-1880.; Miners--1910-1920.; Mining--California--1860-1880.
    • [between 1865 and 1880?]
    • Central City, Colorado

    • academy in the right background.; The St. Aloysius Academy, a Catholic boarding school, stands in the right background on Gunnell Hill in Central City, Colorado. A large mine shafthouse of the School Hill Mining Company stands on the same hill in...
    • Central City (Colo.)--1900-1920.; Church schools--Colorado--Central City--1900-1920.; Houses--Colorado--Central City--1900-1920.; Mining--Colorado--Central City--1900-1920.
    • [between 1900 and 1920?]
    • Flume in sandstone canyon

    • Flume between a river and rock pinnacles: water diversion for hydraulic gold placer mining.
    • Flumes--1900-1930.; Gold mining--1900-1930.; Hydraulic mining--1900-1930.; Mining--1900-1930.; Rock formations--1900-1930.
    • [between 1900 and 1930?]
    • Flume, cliffs, and tunnel

    • Flume built on rock cliff (with tunnel): water diversion for hydraulic gold placer mining.
    • Flumes--1900-1930.; Gold mining--1900-1930.; Hydraulic mining--1900-1930.; Mining--1900-1930.
    • [between 1900 and 1930?]
    • Flume on granite wall

    • Flume built on a rock cliff and trestles: water diversion for hydraulic gold placer mining.
    • Flumes--1900-1930.; Gold mining--1900-1930.; Hydraulic mining--1900-1930.; Mining--1900-1930.
    • [between 1900 and 1930?]
    • CMA-1942

    • A man participates in a contest probably at a Colorado Mining Association conference in Denver, Colorado. Shows men in the back of a truck with a hammer, a spike, and a block of possibly stone. The truck has a sign that reads: "[?]er Co. Metal...
    • Colorado Mining Association--Meetings--1940-1950.; Denver (Colo.)--1940-1950.; Contests--Colorado--Denver--1940-1950.; Mining--Colorado--Denver--1940-1950.
    • 1942
    • 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
    • Prospector on Platte River below Denver

    • Portrait of a gold miner standing in the South Platte River, Denver, Colorado; he wears hip waders, bib overalls, and a duster hat. He holds a bottle of (probably) gold from hydraulic placer mining.
    • Denver (Colo.)--1930-1940.; South Platte River (Colo. and Neb.)--1930-1940.; Gold mining--Colorado--Denver--1930-1940.; Hydraulic mining--Colorado--Denver--1930-1940.; Miners--Colorado--Denver--1930-1940.; Mining--Colorado--Denver--1930-1940.
    • 1930
    • A bit of mountain trail, near Aspen, Colo.

    • View of a stream in Pitkin County, Colorado; shows dirt road and flumes used in hydraulic gold placer mining.
    • Pitkin County (Colo.)--1880-1900.; Flumes--Colorado--Pitkin County--1880-1900.; Gold mining--Colorado--Pitkin County--1880-1900.; Hydraulic mining--Colorado--Pitkin County--1880-1900.; Mining--Colorado--Pitkin County--1880-1900.
    • [between 1880 and 1900?]
    • 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.
    •  
    • Walsen, Nigger Head

    • View of a large chunk of bituminous coal at the Colorado Fuel & Iron Company coal camp of Walsen (Huerfano County), Colorado. A company house is in the distance.
    • Colorado Fuel and Iron Company--1900-1930.; Walsen (Colo.)--1900-1930.; Coal mining--Colorado--Walsen--1900-1930.; Coal--Colorado--Walsen--1900-1930.; Mining--Colorado--Walsen--1900-1930.
    • [between 1900 and 1930?]
    • Mining

    • View of a concentrating mill in (probably) Colorado; also shows a stream, willows, and tailings.
    • Mills--Colorado--1900-1920.; Mining--Colorado--1900-1920.; Valleys--Colorado--1900-1920.
    • [between 1900 and 1920?]
    • Summitville, South Mountain in rear; mill on left hit by slide, present mining office in rear

    • View of the Summitville mining district offices, Rio Grande County, Colorado, once a gold mining district; later reopened for copper mining. South Mountain in distance; mill on left ruined by a snowslide.
    • Summitville (Colo.)--1960-1970.; Abandoned buildings--Colorado--Summitville--1960-1970.; Avalanches--Colorado--Summitville--1960-1970.; Mining--Colorado--Summitville--1960-1970.
    • 1960
    • Miners

    • Miners, some possibly Native American or Asian, pose outdoors in Ouray County, Colorado. Some men hold lunch boxes.
    • Ouray County (Colo.)--1880-1900.; Miners--Colorado--Ouray County--1880-1900.; Mining--Colorado--Ouray County--1880-1900.
    • [between 1880 and 1900]
    • Summitville, Colo. looking north

    • View from tailings over the dilapidated buildings, including mills and residences of Summitville, Rio Grande County, Colorado, once a gold mining district; later reopened for copper mining.
    • Summitville (Colo.)--1960-1970.; Abandoned buildings--Colorado--Summitville--1960-1970.; Mining--Colorado--Summitville--1960-1970.
    • 1960
    • Summitville, looking N. E.

    • View over the dilapidated buildings, including mills and residences of Summitville, Rio Grande County, Colorado, once a gold mining district, later copper mining.
    • Summitville (Colo.)--1960-1970.; Abandoned buildings--Colorado--Summitville--1960-1970.; Mining--Colorado--Summitville--1960-1970.
    • 1960
    • Masonic Temple, Denver

    • View of the Masonic Temple at 16th (Sixteenth) and Welton Streets in Denver, Colorado. Shows an Italianate style building with tall arched windows, parapets, and rusticated stone trim. Signs read: "The Mutual Benefit Life Insurance Co. of Newark N....
    • Denver (Colo.)--1880-1900.; Buildings--Colorado--Denver--1880-1900.; Commercial facilities--Colorado--Denver--1880-1900.
    • [between 1882 and 1900?]
    • Rollinsville, Colorado

    • A hydraulic mine juts into a body of water, possibly near Rollinsille, Colorado.
    • Rollinsville (Colo.)--1900-1920.; Hydraulic mining--Colorado--Rollinsville--1900-1920.
    • [between 1900 and 1920?]

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