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  • All fields: processing)
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Display: 50

    • Uranium processing plant, Rifle, CO

    • View of a uranium processing plant in Rifle (Garfield County), Colorado; shows processing or factory buildings, houses, and the Roan Cliffs.
    • Uranium industry--Colorado--Rifle--1950-1970.; Rifle (Colo.)--1950-1970.; Mining--Colorado--Rifle--1950-1970.
    • [between 1957 and 1965?]
    • U.S. Vanadium

    • View of vanadium processing buildings and houses in the town of Uravan (Montrose County), Colorado. Smoke rises from U.S. Vanadium processing buildings and possibly Manhattan District Uranium Mill Site buildings. Houses and the San Miguel River are...
    • U.S. Vanadium Corporation--Buildings--1930-1950.; Vanadium industry--Colorado--Uravan--1930-1950.; San Miguel River (Colo.)--1930-1950.; Uravan (Colo.)--1930-1950.; Mills--Colorado--Uravan--1930-1950.; Mining--Colorado--Uravan--1930-1950.; Ore...
    • [between 1936 and 1945?]
    • Ores and metals mill, Leadville

    • Men stand beside a frame processing mill in Leadville (Lake County), Colorado. Shows a wood frame building under construction nearby. Ore car tracks lead to an opening in the processing building and stacks of lumber are on the ground.
    • Leadville (Colo.)--1920-1940.; Mills--Colorado--Leadville--1920-1940.; Mining--Colorado--Leadville--1920-1940.; Ore industry--Colorado--Leadville--1920-1940.
    • [between 1920 and 1940?]
    • Rocky Mountain News photographic processing

    • Men work in the photographic processing department at the Rocky Mountain News in Denver, Colorado. Equipment includes lights and a copy board.
    • Rocky Mountain News--People--1890-1910.; Denver (Colo.)--1890-1910.; Interiors--Colorado--Denver--1890-1910.; Newspaper industry--Colorado--Denver--1890-1910.
    • [between 1890 and 1910?]
    • Mine processing

    • A view of mine processing equipment, probably Colorado. Shows tracks, wood mining buildings, and empty barrels.
    • Mine buildings--Colorado--1890-1910.; Machinery--Colorado--1890-1910.; Mining--Colorado--1890-1910.
    • [between 1890 and 1910]
    • Loveland, Colorado, Business, G. W. Sugar

    • View of the Great Western Sugar Company in Loveland (Larimer County) Colorado; a truck bed is hoisted by sugar beet processing conveyor machines; a man looks on; water tower, smokestack, and processing plant in background.
    • Great Western Sugar Company--Buildings--1900-1930.; Loveland (Colo.)--1900-1930.; Beets--Colorado--Loveland--1900-1930.; Conveying systems--Colorado--Loveland--1900-1930.; Sugar industry--Colorado--Loveland--1900-1930.;...
    • [between 1910 and 1930?]
    • Mine processing sheds

    • View of an ore processing facility in Clear Creek County, Colorado; shows milling sheds, mine tailings, men and a boy.
    • Mine buildings--Colorado--Clear Creek County--1880-1900.; Clear Creek County (Colo.)--1880-1900.; Children--Colorado--Clear Creek County--1880-1900.; Mills--Colorado--Clear Creek County--1880-1900.; Mining--Colorado--Clear Creek County--1880-1900.
    • [between 1880 and 1900?]
    • Ghost towns - ore processing - Colorado

    • Interior view of mining processing sheds in Colorado; shows Vanning or ore concentrating machines.
    • Mine buildings--Colorado--1900-1940.; Interiors--Colorado--1900-1940.; Mills--Colorado--1900-1940.; Mining--Colorado--1900-1940.
    • [between 1900 and 1940?]
    • Aspen

    • Aerial view of probably an ore processing mill in Aspen (Pitkin County), Colorado. Streets and houses are in the distance.
    • Aspen (Colo.)--1950-1960.; Cities & towns--Colorado--Aspen--1950-1960.; Mills--Colorado--Aspen--1950-1960.; Ore processing industry--Colorado--Aspen--1950-1960.
    • 1950
    • Mill and tailings

    • View of a mine ore processing site in (probably) Colorado; elevator sheds and a tipple with ore car tracks top piles of tailings.
    • Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.
    • [between 1910 and 1930?]
    • Tunnel of the Hope M. M. & L. at Aspen, Colo.

    • View of Hope Mine Company operations near Aspen (Pitkin County), Colorado; shows the mine entrance, tailings, ore processing sheds, a smokestack, lumber, and railroad grade.
    • Hope Mine (Pitkin County, Colo.)--1910-1920.; Pitkin County (Colo.)--1910-1920.; Mining--Colorado--Pitkin County--1910-1920.; Tailings embankments--Colorado--Pitkin County--1910-1920.
    • [between 1910 and 1920?]
    • Rocky Mountain sugar factory

    • Reflection of the American Cystal Sugar Company factory, Rocky Ford, Otero County, Colorado, shows on foreground water. Smoke pours from stacks of the large sugar beet processing plant with hoppers, elevators and monitor roofed metal buildings.
    • American Crystal Sugar Company--1910-1920.; Rocky Ford (Colo.)--1910-1920.; Sugar industry--Colorado--Rocky Ford--1910-1920.
    • 1913
    • Forbes

    • View of miners' houses and ore processing sheds in Forbes (Las Animas County) Colorado, possibly during the UMF labor strike against CF&I.
    • Colorado Fuel and Iron Company--Strikes--1910-1920.; United Mine Workers of America--Strikes--1910-1920.; Coal Strike, Colo. 1913-1914.; Mine buildings--Colorado--Forbes--1910-1920.; Forbes (Colo.)--1910-1920.; Miners'...
    • 1914
    • A view of Butte, Montana, showing "the richest hill in the world"

    • Panoramic view of Butte (Silver Bow County), Montana, showing the business district with commercial buildings, houses, mines, headframes, mills and processing plants. Identification on the image reads: "West Gagnon," "Gagnon," "Original," "Miners...
    • Butte (Mont.)--1970-1990.; Business districts--Montana--Butte--1970-1990.; Cities & towns--Montana--Butte--1970-1990.; Mining--Montana--Butte--1970-1990.
    • 1916
    • Mining

    • View of a mine processing mill in (probably) Colorado; shows smokestacks, mill buildings, ore tramways, pine forest, hills, a water tank and bridges.
    • Mills--Colorado--1910-1930.; Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.
    • [between 1910 and 1930?]
    • Coal mine

    • View of a coal mine processing building in probably Las Animas County, Colorado. Shows possibly a washer building with an elevator, railroad tracks and tailings piles. Company houses are nearby.
    • Las Animas County (Colo.)--1890-1920.; Coal mining--Colorado--Las Animas County--1890-1920.; Mine buildings--Colorado--Las Animas County--1890-1920.
    • [between 1895 and 1915?]
    • CMA Butterfly Mine & mountains

    • View of the Butterfly Mine near Ophir (San Miguel County), Colorado; shows ore processing sheds and a trestle bridge.
    • Butterfly Mine (San Miguel County, Colo.)--1940-1950.; San Miguel County (Colo.)--1940-1950.; Mining--Colorado--San Miguel County--1940-1950.
    • [between 1940 and 1950?]
    • Cripple Creek, Colorado

    • View of the multi-level, Eagle Sampler shaft house and adjacent ore processing facilities, Goldfield (Teller County), Colorado. Shows tracks, possibly those of the Colorado Springs and Cripple Creek District Railway or Colorado Midland Railway,...
    • Eagle Sampler Mine (Teller County, Colo.)--1900-1910.; Goldfield (Colo.)--1900-1910.; Mining--Colorado--Goldfield--1900-1910.; Railroads--Colorado--Goldfield--1900-1910.
    • [between 1901 and 1910?]
    • Telluride vicinity mines at Pandora

    • View of Pandora mine facilities, separated by Marshall Creek, San Miguel County, Colorado, shows the multi-structure mill with tailings, Denver and Rio Grande box and coal cars on loading spurs. The Smuggler-Union mine and buildings show high above...
    • Denver and Rio Grande Railroad Company--1910-1920.; Marshall Creek (San Miguel County, Colo.)--1910-1920.; Telluride (Colo.)--1910-1920.; Aerial tramways--Colorado--Telluride--1910-1920.; Mining--Colorado--Telluride--1910-1920.;...
    • [1918]
    • Gold King Mine and Gladstone

    • View of Gold King Mine and Gladstone (San Juan County) Colorado; shows aerial tram towers, mining ore processing buildings, and miners' houses.
    • Mine buildings--Colorado--Gladstone--1900-1920.; Gladstone (Colo.)--1900-1920.; Gold King Mine (San Juan County, Colo.)--1900-1920.; Aerial tramways--Colorado--Gladstone--1900-1920.; Mining--Colorado--Gladstone--1900-1920.
    • [between 1900 and 1920?]
    • Mining

    • View of a mine processing site in (probably) Colorado; shows a mill building and trestle ore car tracks.
    • Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.
    • [between 1910 and 1930?]
    • CMA Rico / Argentine

    • View of ore processing sheds at the Argentine Mine near Rico (Dolores County), Colorado.
    • Rico (Colo.)--1940-1950.; Rico Argentine Mining Company Mine (Dolores County, Colo.)--1940-1950.; Mining--Colorado--Rico--1940-1950.
    • [between 1940 and 1950?]
    • Mogul Mine bldgs at Gladstone

    • View of the Mogul Mine, Gladstone (San Juan County) Colorado; shows mining ore processing buildings and mountains.
    • Mine buildings--Colorado--Gladstone--1900-1920.; Gladstone (Colo.)--1900-1920.; Mogul Mine (San Juan County, Colo.)--1900-1920.; Mining--Colorado--Gladstone--1900-1920.
    • [between 1900 and 1920?]
    • Empress Mill first one you come to up North Empire Road

    • View of the Empress Mill, in Boulder County, Colorado; shows a mine processing shed with smokestacks, ore cars and tracks. A man, boy, and girl stand in a garden by a house.
    • Boulder County (Colo.)--1900-1910.; Mills--Colorado--Boulder County--1900-1910.; Mine railroads--Colorado--Boulder County--1900-1910.; Mining--Colorado--Boulder County--1900-1910.
    • [between 1900 and 1910?]
    • Forbes

    • View of Forbes (Las Animas County) Colorado, possibly during the UMF labor strike against CF&I; shows a water trough, wagons, mining ore processing sheds, ore cars, machinery, and sandstone bluffs.
    • Colorado Fuel and Iron Company--Strikes--1910-1920.; United Mine Workers of America--Strikes--1910-1920.; Coal Strike, Colo. 1913-1914.; Mine buildings--Colorado--Forbes--1910-1920.; Forbes (Colo.)--1910-1920.; Carts &...
    • [1914?]
    • The famous Camp Bird Mill and mine. U. S. Peak and slide in background.

    • View of Camp Bird Mine and mill in Ouray County, Colorado; shows miners' houses, mining ore processing sheds, and United States Mountain.
    • Camp Bird (Colo.)--1900-1910.; Camp Bird Mine (Ouray County, Colo.)--1900-1910.; Houses--Colorado--Camp Bird--1900-1910.; Mills--Colorado--Camp Bird--1900-1910.; Mining--Colorado--Camp Bird--1900-1910.
    • [between 1900 and 1910?]
    • Yankee Girl Mine, Red Mountain

    • View of the Yankee Girl Mine, Guston (Ouray County), Colorado; shows mine buildings, the head frame building and ore processing facilities, tailings, a house, and railroad tracks and a boxcar.
    • Guston (Colo.)--1880-1890.; Yankee Girl Mine (Ouray County, Colo.)--1880-1890.; Houses--Colorado--Guston--1880-1890.; Mine buildings--Colorado--Guston--1880-1890.; Mining--Colorado--Guston--1880-1890.
    • [between 1882 and 1890?]
    • Gold King at Gladstone

    • View of Gold King Mine, Gladstone (San Juan County) Colorado; shows ruins of mining processing buildings, ore car tracks, and machinery. A woman looks on.
    • Abandoned mines--Colorado--Gladstone--1930-1950.; Gladstone (Colo.)--1930-1950.; Gold King Mine (San Juan County, Colo.)--1930-1950.; Abandoned buildings--Colorado--Gladstone--1930-1950.; Mining--Colorado--Gladstone--1930-1950.;...
    • [between 1930 and 1950?]
    • Gold Prince mill under construction Animas Forks

    • View of Gold Prince mining ore processing facility construction at Animas Forks, San Juan County, Colorado; shows rock walls, roof beams, and a crane.
    • Animas Forks (Colo.)--1900-1910.; Construction--Colorado--Animas Forks--1900-1910.; Mills--Colorado--Animas Forks--1900-1910.; Mining--Colorado--Animas Forks--1900-1910.
    • 1904
    • Camp Bird Mill

    • View of Camp Bird Mine and mill, Ouray County, Colorado; shows mining ore processing sheds and miners' houses.
    • Camp Bird (Colo.)--1900-1920.; Camp Bird Mine (Ouray County, Colo.)--1900-1920.; Houses--Colorado--Camp Bird--1900-1920.; Mills--Colorado--Camp Bird--1900-1920.; Mining--Colorado--Camp Bird--1900-1920.
    • [between 1900 and 1920?]
    • Iron Mask Mill, Red Cliff, Colo.

    • View of the Iron Mask Mill in Eagle Canyon at Red Cliff (Eagle County), Colorado; shows ore processing sheds, smokestacks, cliffs, snow, and Denver and Rio Grande railroad tracks.
    • Red Cliff (Colo.)--1890-1910.; Mills--Colorado--Red Cliff--1890-1910.; Mining--Colorado--Red Cliff--1890-1910.
    • [between 1890 and 1910?]
    • Colo. & Wyoming caboose #201

    • View of a Colorado & Wyoming Railway caboose near possibly a coal processing plant near Trinidad (Las Animas County), Colorado. A one-story stone building and a conveyor belt are nearby.
    • Colorado and Wyoming Railway Company--1890-1910.; Las Animas County (Colo.)--1890-1910.; Mining--Colorado--Las Animas County--1890-1910.; Railroad cabooses--Colorado--Las Animas County--1890-1910.
    • [between 1890 and 1910?]
    • Mayfower Mill and Shennandoah [sic] Dives

    • View of Shenandoah Dives mine and ore processing plant in (San Juan County) Colorado; shows frame structures, water tower, electrical transformers, and parked cars.
    • San Juan County (Colo.)--1910-1930.; Shenandoah Mine (San Juan County, Colo.)--1910-1930.; Mills--Colorado--San Juan County--1910-1930.; Mining--Colorado--San Juan County--1910-1930.
    • [between 1910 and 1930?]
    • Western Feldspar Milling Co.

    • View of the Western Feldspar Milling Company yard in Denver, Colorado; shows mining ore processing sheds, tailing piles, and freight cars.
    • Denver (Colo.)--1930-1940.; Buildings--Colorado--Denver--1930-1940.; Mills--Colorado--Denver--1930-1940.; Mining--Colorado--Denver--1930-1940.
    • [between 1933 and 1939?]
    • Camp Bird mill before slide

    • View of Camp Bird Mill in Ouray County, Colorado; shows horses and snow covered mining ore processing sheds.
    • Camp Bird (Colo.)--1900-1910.; Camp Bird Mine (Ouray County, Colo.)--1900-1910.; Horses--Colorado--Camp Bird--1900-1910.; Mining--Colorado--Camp Bird--1900-1910.; Packtrains--Colorado--Camp Bird--1900-1910.
    • [between 1900 and 1906?]
    • CMA U.S. Vanadium Corp. unloading sulphuric acid

    • View of (probably) the Shamrock Mine in Uravan, (Montrose County), Colorado; shows a chemical tank truck, and ore processing sheds. Letters read: "U.S. Vanadium Corp., Uravan, Colo."
    • United States Vanadium Company--1940-1950.; Vanadium industry--Colorado--Uravan--1940-1950.; San Miguel River (Colo.)--1940-1950.; Uravan (Colo.)--1940-1950.; Mining--Colorado--Uravan--1940-1950.; Trucks--Colorado--Uravan--1940-1950.
    • [between 1940 and 1950?]
    • Vanadium Corp., Naturita, Colo.

    • View of the Vanadium Corporation of America uranium processing mill in Naturita (Montrose County), Colorado. Shows a suspended bridge, probably for ore cars, and buildings with smokestacks.
    • Vanadium Corporation of America--Buildings--1930-1950.; Vanadium industry--Colorado--Naturita--1930-1950.; Naturita (Colo.)--1930-1950.; Mills--Colorado--Naturita--1930-1950.; Mining--Colorado--Naturita--1930-1950.; Ore...
    • [between 1939 and 1950?]
    • C. C. Hamlin of Mine Owner's Association addressing crowd

    • People crowd Fourth and Victor Avenues and a vacant lot in Victor, Teller County, Colorado, during a Western Federation of Miners labor strike, by houses and mining processing sheds. Clarence C. Hamlin, of the Mine Owner's Association, provoked a...
    • Audiences--Colorado--Victor--1900-1910.; Miners' strikes--Colorado--Victor--1900-1910.; Mining--Colorado--Victor--1900-1910.; Public speaking--Colorado--Victor--1900-1910.; Streets--Colorado--Victor--1900-1910.; Women--Colorado--Victor--1900-1910.;...
    • June 6, 1904
    • Sutton Mine just south of Bear Creek Falls

    • Sutton Mine (Ouray County) Colorado, consists of mining ore processing buildings on steep mountain slopes.
    • Mine buildings--Colorado--Ouray County--1970-1980.; Ouray County, Colo.)--1970-1980.; Sutton Mine (Ouray County, Colo.)--1970-1980.; Mining--Colorado--Ouray County--1970-1980.
    • August, 1979
    • King lease mill Camp Bird mine, Ouray

    • View of machines used for mining ore processing at King lease mill, Camp Bird Mine, Ouray County, Colorado.
    • Camp Bird (Colo.)--1930-1940.; Camp Bird Mine (Ouray County, Colo.)--1930-1940.; Interiors--Colorado--Camp Bird--1930-1940.; Machinery--Colorado--Camp Bird--1930-1940.; Mining--Colorado--Camp Bird--1930-1940.; Ore industry--Colorado--Camp...
    • [between 1933 and 1940?]
    • Golden Gilpin Gold Mill, Black Hawk, Colo.

    • View of the Golden Gilpin Gold Mill located 1 mile north of Black Hawk, Colorado on Colorado Highway 119. The structure is the remaining example of Black Hawk's milling industry from the 1870s when the area was the ore processing center for the...
    • Golden Gilpin Gold Mill (Black Hawk, Colo.)--2000-2010.; Black Hawk (Colo.)--2000-2010.; Mills--Colorado--Black Hawk--2000-2010.; Golden Gilpin Gold Mill (Black Hawk, Colo.)--Pictorial works.; Ore-dressing--Colorado--Black Hawk--Pictorial works.;...
    • 2002
    • CMA Veta Mines / clean-up room

    • Men work with a hydraulic ore processing machine in (probably) Colorado; water runs under the ball mill.
    • Employees--Colorado--1940-1950.; Interiors--Colorado--1940-1950.; Mining--Colorado--1940-1950.; Ore industry--Colorado--1940-1950.
    • [between 1940 and 1950?]
    • Rico Argentine, general view

    • View of ore processing sheds at the Argentine Mine near Rico (Dolores County), Colorado. The buildings are constructed from corrugated tin. A covered ramp connects two of the buildings. A light dusting of snow covers the ground.
    • Rico (Colo.)--1930-1950.; Rico Argentine Mining Company Mine (Dolores County, Colo.)--1930-1950.; Mine buildings--Colorado--Rico--1930-1950.; Mining--Colorado--Rico--1930-1950.; Ore industry--Colorado--Rico--1930-1950.
    • [between 1930 and 1950?]
    • Mary McKinney Mine

    • Men, women and children disembark from possibly Colorado and Southern Railroad passenger cars near Anaconda (Teller County), Colorado. The site, identified as the Mary McKinney mine complex, was part of the Cripple Creek Mining District. Shows a...
    • Anaconda (Colo.)--1920-1930.; Mary McKinney Mine (Teller County, Colo.)--1920-1930.; Mining--Colorado--Anaconda--1920-1930.; Passengers--Colorado--Anaconda--1920-1930.; Railroads--Colorado--Anaconda--1920-1930.
    • [between 1920 and 1930?]
    • Windham Silver Mining, Colo.

    • In Windham, Ouray County, Colorado, men pose by a smoking blast furnace at Windham Silver Mining and Smelting Company. The frame processing plant is built into a slope; water runs from a flume; ingots are stacked.
    • Windham Silver Mining and Smelting Company (Windham, Colo.)--1870-1890.; Windham (Colo.)--1870-1890.; Furnaces--Colorado--Windham--1870-1890.; Silver mining--Colorado--Windham--1870-1890.; Smelters--Colorado--Windham--1870-1890.
    • [between 1870 and 1890]
    • General view of the Sunnyside Mine, southwestern Colorado

    • View of Sunnyside Mine (San Juan County) Colorado; shows mining ore processing buildings and a settling pond (Lake Emma).
    • Mine buildings--Colorado--San Juan County--1910-1920.; Emma, Lake (San Juan County, Colo.)--1910-1920.; San Juan County (Colo.)--1910-1920.; Sunnyside Mine (San Juan County, Colo.)--1910-1920.; Lakes &ponds--Colorado--San Juan County--1910-1920.;...
    • [between 1917 and 1930?]
    • Reliance Dredge, French Gulch

    • View of Revett's Reliance Gold Mining Company Bucyrus-built hydraulic bucket-line dredging boat, in Breckenridge, Summit County, Colorado. Miners pose on the decks and by the placer processing plant; snow covers mountains in the background.
    • Dredges--Colorado--Breckenridge--1900-1920.; Mining machinery--Colorado--Breckenridge--1900-1920.; Breckenridge (Colo.)--1900-1920.; French Gulch (Summit County, Colo.)--1900-1920.; Hydraulic mining--Colorado--Breckenridge--1900-1920.;...
    • [between 1905 and 1913?]
    • Camp Bird Mine

    • View of Camp Bird Mine and mill complex, (Ouray County) Colorado; shows mining ore processing sheds, miners' houses, forest, and mountains.
    • Camp Bird (Colo.)--1910-1920.; Camp Bird Mine (Ouray County, Colo.)--1910-1920.; Mine buildings--Colorado--Camp Bird--1910-1920.; Mining--Colorado--Camp Bird--1910-1920.
    • 1911
    • Below smelting works

    • A view of smelting works along North Clear Creek in Gilpin County, Colorado. Shows mine processing buildings, a Colorado Central Railroad freight car and laborers. Shows railroad tracks and a bridge.
    • Colorado Central Railroad Company--1870-1890.; Gilpin County (Colo.)--1870-1890.; North Clear Creek (Gilpin County-Jefferson County, Colo.)--1870-1890.; Mining--Colorado--Gilpin County--1870-1890.; Ore industry--Colorado--Gilpin County--1870-1890.;...
    • [between 1871 and 1890]
    • Plant under construction, Continental Oil Shale Co.

    • View of a metal smokestack, part of a Continental Oil Shale Company processing plant in possibly Rangely Oil Field in Rio Blanco County, Colorado. An American flag is on scaffolding around the smokestack. Metal machinery parts and a frame shack are...
    • Oil-shale industry--Colorado--Rio Blanco County--1900-1920.; Rio Blanco County (Colo.)--1900-1920.; Building construction--Colorado--Rio Blanco County--1900-1920.; Refineries--Colorado--Rio Blanco County--1900-1920.; Smokestacks--Colorado--Rio...
    • [between 1900 and 1920?]

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