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  • All fields: concentrator
(377 results)



Display: 50

    • 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
    • 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]
    • 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 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?]
    • 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?]
    • 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?]
    • 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?]
    • British Columbia Fatal Mining Accidents : 1887, 1896-1942

    • Index of the Fatal Mining Accidents occurring in British Columbia Canada in the years 1887, and 1896-1949. Information is arranged alphabetically and includes: the name of the victim, date of the accident, colliery/mine name (town), whether fatal...
    • Mine accidents--British Columbia--Indexes.
    • 2007
    • 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?]
    • 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?]
    • Hollingsworth

    • Studio portrait of probably [Edward] Hollingsworth, a mill worker at a concentrator mill in Georgetown (Clear Creek County), Colorado. He wears a jacket with piping, a vest, an upright collar and a silk necktie decorated with four leaf clovers. His...
    • Georgetown (Colo.)--1900-1910.; Employees.; Men.; Neckties.; Ore industry.; Hollingsworth, Edward.
    •  
    • 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
    • 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?]
    • Index to Colorado Mining Directory: First Edition 1883

    • Index to mines within Colorado. Information is arranged alphabetically by Mine name, with the county it is located in.
    • Mines and mineral industries--Colorado--Directories.; Mines and mineral resources--Colorado--Directories.;
    • 1883
    • Lixiviation [sic] Works "the Concentrator" (West of Aspen across Castle Creek)

    • View of a lixivation works on the edge of Castle Creek near Aspen (Pitkin County), Colorado.
    • Mine buildings--Colorado--Aspen--1890-1900.; Aspen (Colo.)--1890-1900.; Castle Creek (Pitkin County, Colo.)--1890-1900.; Mining--Colorado--Aspen--1890-1900.; Ore industry--Colorado--Aspen--1890-1900.; Streams--Colorado--Aspen--1890-1900.
    • [between 1940 and 1960]
    • 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?]
    • 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?]
    • Ontario Mining Accidents : 1892-1922

    • Index of mining accidents in Ontario, Canada between the years 1892 and 1922. Index is an alphabetical list by miner’s name for fatal and non-fatal mine accidents.
    • Mine accidents--Ontario--Indexes.
    •  
    • Place names of Colorado : a genealogical & historical guide to Colorado sites

    • The primary objective of this index is to contain a comprehensive listing of place names or sites in Colorado that would direct the researcher to recent and readily available publications. Included in this publication for each site or place name,...
    • Names, Geographical--Colorado.; Colorado--History, Local.
    • 1999
    • 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
    • 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 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
    • 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
    • The 1887 Denver Directory

    • Index of the 1887 City of Denver Directory. Index is made of three volumes. Volume I: Denver directory indexed by name. Volume II: Denver directory indexed by address. Volume 3: Statistical abstract of Denver in 1887.
    • Denver (Colo.)--Directories.; Denver (Colo.)--1887.
    • 2002
    • 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
    • Tucker mines & concentrator

    • View of the Tucker Mine and mill building with tailings in Central City (Gilpin County), Colorado.
    • Tailings embankments--Colorado--Central City--1900-1910.; Central City (Colo.)--1900-1910.; Tucker Number One Mine (Central City, Colo.)--1900-1910.; Mills--Colorado--Central City--1900-1910.; Mining--Colorado--Central City--1900-1910.
    • 1902
    • West Aspen, Silver Queen

    • The town of Aspen, Colorado, is situated at the foot of Aspen Mountain, formerly known as Ajax. The Roaring Fork River is in foreground; trees and houses are near the river. Smoke flows out of the smokestacks from the mills situated at the edge...
    • Aspen (Colo.)--1880-1890.; Roaring Fork River (Colo.)--1880-1890.; Industry--Colorado--Aspen--1880-1890.; Smokestacks--Colorado--Aspen--1880-1890.
    • [between 1880 and 1889]

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