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  • All fields: concentrator
(377 results)



Display: 50

    • Humprey Concentrator remains

    • View of the remains of the Humphrey Concentrator near North Clear Creek, Black Hawk, Gilpin County, Colorado.
    • Gravity concentrators--Colorado--Blackhawk--1940-1960.; North Clear Creek (Gilpin County-Jefferson County, Colo.)--1940-1960.; Blackhawk (Colo.)--1940-1960.; Mining--Colorado--Blackhawk--1940-1960.; Ruins--Colorado--Blackhawk--1940-1960.
    • [between 1940 and 1960
    • Royal Tiger Mines Co

    • View of the Royal Tiger Mill and concentrator near Silverton (San Juan County), Colorado. An automobile is parked nearby.
    • San Juan County (Colo.)--1920-1930.; Mills--Colorado--San Juan County--1920-1930.; Mining--Colorado--San Juan County--1920-1930.
    • August 22, 1923
    • Royal Tiger Mines Co.

    • View of the Royal Tiger Mill and concentrator near Silverton (San Juan County), Colorado. An automobile is parked nearby.
    • San Juan County (Colo.)--1920-1930.; Mills--Colorado--San Juan County--1920-1930.; Mining--Colorado--San Juan County--1920-1930.
    • August 22, 1923
    • Old Dominion Copper Co. concentrator and smelter, Globe, Ariz.

    • View of the Old Dominion Copper Company concentrator and smelter buildings with smokestacks and tailings in Globe, Arizona.
    • Old Dominion Copper Mining and Smelting Company--Buildings--1900-1910.; Globe (Ariz.)--1900-1910.; Buildings--Arizona--Globe--1900-1910.; Copper mining--Arizona--Globe--1900-1910.; Mining--Arizona--Globe--1900-1910.;...
    • [1900?]
    • Breckenridge, Colorado

    • View of Breckenridge, Colorado, looking west; shows the schoolhouse, belfry of the Fireman's Hall, the Denver Hotel, the Arlington House, a frame building with a curvelinear false front and a wide cornice. The Methodist Church and the...
    • Breckenridge (Colo.)--1890-1900.; Tenmile range (Colo.)--1890-1900.
    • [between 1892 and 1895?]
    • Desert mining town

    • View of a settlement with mills or concentrator sheds, tipples, ore car tracks, businesses, and a house with a turret and ornamental shingles. Possibly a flume is on a hill in the background; Joshua trees, string agaves, yuccas and cholla cactus...
    • Cities & towns--1880-1920.; Mining--1880-1920.
    • [between 1880 and 1920?]
    • Desert mining town

    • View of a settlement with mills or concentrator sheds, tipples, ore car tracks, businesses, and a house with a turret and ornamental shingles. Possibly a flume is on a hill in the background; Joshua trees, string agaves, yuccas and cholla cactus...
    • Cities & towns--1880-1920.; Mining--1880-1920.
    • [between 1880 and 1920?]
    • Alice, view looking southwest

    • Southwest across Alice, in Clear Creek County, Colorado is one of the largest mining camps in the Fall River valley below Saint (St.) Mary's Glacier, settled in the early 1880s. Widely scattered ruins of the small boom town include mines and...
    • Alice (Colo.)--1910-1920.; Clear Creek County (Colo.)--1910-1920.; Mining--Colorado--Alice--1910-1920.
    • 1911
    • Idaho Springs

    • View of Idaho Springs (Clear Creek County), Colorado; shows houses, (one with a gambrel roof), Clear Creek, cattle, mine runoff, a bridge, and mill or smelter sheds with smokestacks and lettering: "State Ore Sampling Co," and "Alpine Concentrator."
    • Clear Creek (Clear Creek County, Colo.)--1880-1920.; Idaho Springs (Colo.)--1880-1920.; Cities & towns--Colorado--Idaho Springs--1880-1920.; Mining--Colorado--Idaho Springs--1880-1920.; Streams--Colorado--Idaho Springs--1880-1920.
    • [between 1880 and 1920?]
    • Pride of the West, in Cunningham Gulch

    • View of Pride of the West mining ore processing buildings in Cunningham Gulch, San Juan County, Colorado; shows concentrator sheds, cribbing, and tailings.
    • Mine buildings--Colorado--San Juan County--1930-1940.; Pride of the West Mine (San Juan County, Colo.)--1930-1940.; San Juan County (Colo.)--1930-1940.; Mining--Colorado--San Juan County--1930-1940.
    • 1937
    • Breckenridge, looking west

    • This view of Breckenridge, Colorado, looking west along Lincoln Avenue includes the two story, frame school with its ornamented gable, and to the north, the brick upper school with its curvelinear, corniced pediments. The Summit County Courthouse...
    • Breckenridge (Colo.)--1900-1910.; Tenmile Range (Colo.)--1900-1920.
    • [between 1909 and 1915?]
    • Desert mining town

    • View of an unidentified settlement with mills or concentrator sheds, tipples, ore car tracks, businesses, and a house with a turret and ornamental shingles. Possibly a flume is on a hill in the background; Joshua trees, string agaves, yuccas and...
    • Cities & towns--1880-1920.; Mining--1880-1920.
    • [between 1880 and 1920?]
    • Breckenridge and the Ten Mile Range

    • View of Breckenridge (Summit County), Colorado; shows homes, the school, Fireman's Hall, Arlington House Hotel, the Ware-Carpenter Concentrator sheds, and Tenmile (Ten Mile) Range mountains.
    • Breckenridge (Colo.)--1890-1900.; Tenmile Range (Colo.)--1890-1900.; Cities & towns--Colorado--Breckenridge--1890-1900.
    • [between 1890 and 1900?]
    • Nederland Lakewood (Primus) Mill 1916

    • The Lakewood Mill was the largest tungsten concentrator in the world when it was built near North Boulder Creek in Boulder County, Colorado, in 1908 by the Primos Company of Primos, Pennsylvania. The mill was managed by Chauncy F. Lake, who...
    • Ore-dressing plants--Colorado--Boulder County--1910-1920.; Tungsten mines and mining--Colorado--Boulder County--1910- 1920.; Boulder County (Colo.)--1910-1920.
    • [1916?]
    • Nevadaville, Colo.

    • A large mine shafthouse stands in the foreground of this view of Nevadaville, Colorado, located north of Central City between Quartz and Gunnell hills in Gilpin County. The town's Episcopal and Methodist churches stand near each other at the far...
    • Nevadaville (Colo.)--1890-1900.; Mining--Colorado--Nevadaville--1890-1900.
    • [1899?]
    • Royal Tiger Mines Co.

    • View of Royal Tiger Mine, mill, and mining ore processing facility in San Juan County, Colorado; buildings include the carpenter shop, machine shop, and concentrator. A car is by tailings.
    • Mine buildings--Colorado--San Juan County--1920-1930.; Royal Tiger Mine (San Juan County, Colo.)--1920-1930.; San Juan County (Colo.)--1920-1930.; Mills--Colorado--San Juan County--1920-1930.; Mining--Colorado--San Juan County--1920-1930.
    • August 22, 1923
    • Breckenridge

    • This view of Breckenridge, Colorado, looks west at frame dwellings with fenced yards and the roof of the Arlington House hotel and the hose drying tower of the Fireman's Hall. In the foreground, a man, two women and two Labrador type dogs are posed...
    • Breckenridge (Colo.)--1870-1880.; Dogs--Colorado--Breckenridge--1870-1880.; Men--Colorado--Breckenridge--1870-1880.; Women--Colorado--Breckenridge--1870-1880.
    • [between 1870 and 1880?]
    • Breckenridge, Colo.

    • View of Breckenridge (Summit County), Colorado. Shows the schoolhouse, the belfry of the Fireman's Hall, the Denver Hotel, and the Arlington House, a frame building with a curvelinear false front and a wide cornice. The Methodist Church and the...
    • Breckenridge (Colo.)--1890-1900.; Tenmile range (Colo.)--1890-1900.; Cities & towns--Colorado--Breckenridge--1890-1900.; Mining--Colorado--Breckenridge--1890-1900.; Ore industry--Colorado--Breckenridge--1890-1900.
    • [between 1892 and 1895?]
    • Aspen Colo.

    • Left side of panorama southwest over Aspen and Roaring Fork River Valley, Colorado; shows a mining district with shafts, concentrator, sampler, smokestacks, tailings, ore tracks, Denver and Rio Grande and Colorado Midland railroads, frame houses...
    • Aspen (Colo.)--1890-1900.
    • [between 1890 and 1900]

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