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  • All fields: (processing)
(659 results)



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.
    •  
    • [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...
    • Zellers, Bob.
    • [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.
    • Zellers, Bob.
    • [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.
    • Buckwalter, Harry H.
    • [between 1890 and 1910?]
    • Mine processing

    • A view of mine processing equipment, probably Colorado. Shows tracks, wood mining buildings, and empty barrels.
    • Buckwalter, Harry H.
    • [between 1890 and 1910]
    • Mine processing sheds

    • View of an ore processing facility in Clear Creek County, Colorado; shows milling sheds, mine tailings, men and a boy.
    •  
    • [between 1880 and 1900?]
    • Aspen

    • Aerial view of probably an ore processing mill in Aspen (Pitkin County), Colorado. Streets and houses are in the distance.
    • Bachman, Al.
    • 1950
    • 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.
    • McClure, Louis Charles, 1867-1957.
    • [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.
    •  
    • [between 1910 and 1920?]
    • CMA Butterfly Mine & mountains

    • View of the Butterfly Mine near Ophir (San Miguel County), Colorado; shows ore processing sheds and a trestle bridge.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • CMA Rico / Argentine

    • View of ore processing sheds at the Argentine Mine near Rico (Dolores County), Colorado.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Camp Bird Mill

    • View of Camp Bird Mine and mill, Ouray County, Colorado; shows mining ore processing sheds and miners' houses.
    •  
    • [between 1900 and 1920?]
    • Camp Bird mill before slide

    • View of Camp Bird Mill in Ouray County, Colorado; shows horses and snow covered mining ore processing sheds.
    •  
    • [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."
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • 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.
    •  
    • [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...
    • Noel, Thomas J. (Thomas Jacob)
    • 2002
    • CMA Veta Mines / clean-up room

    • Men work with a hydraulic ore processing machine in (probably) Colorado; water runs under the ball mill.
    • Zellers, Bob.
    • [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.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Camp Bird Mine

    • View of Camp Bird Mine and mill complex, (Ouray County) Colorado; shows mining ore processing sheds, miners' houses, forest, and mountains.
    •  
    • 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.
    • Weitfle, Charles, 1836-
    • [between 1871 and 1890]
    • Raleigh Mill, Bonanza, Colo

    • View of the Raleigh Mill at Bonanza (Saguache County), Colorado; ore processing sheds with gables and smokestack are among snow and pines.
    • Photo Craft Shop.
    • [between 1910 and 1930?]
    • Tipple in a coal camp

    • View of a tipple and coal processing buildings in an unidentified coal camp probably in Las Animas County, Colorado. A pipe leads into one of the large buildings. Men stand on the raised narrow gauge tracks.
    •  
    • [between 1890 and 1930?]
    • CMA U.S. Vanadium from top of west hill

    • View of (probably) the Shamrock Mine in Uravan, (Montrose County), Colorado; shows tailings, settling ponds, road grades, ore processing sheds, houses, and the San Miguel River.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • The Wolf Tongue Mining Co

    • View of a tungsten mine processing facility in Boulder County, Colorado; shows ore reduction sheds, a settling pond, a car, houses, and a sign: "The Wolf Tongue Mining Co." Mountain peaks are in the distance.
    • Price, Charles S.
    • [between 1900 and 1920?]
    • CMA U.S. Vanadium looking south down valley

    • View of (probably) the Shamrock Mine in Uravan, (Montrose County), Colorado; shows tailings, settling ponds, sandstone cliffs, ore processing sheds, houses, and the San Miguel River.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Rico Argentine, inside mill

    • Men work inside a mill building at the Rico Argentine Mining Company Mine near Rico (Dolores County), Colorado. Shows floatation cells. Belt drives power the ore processing machinery.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Rico Argentine, classifier

    • View of a liquid filled classifier in the Rico Argentine Mining Company Mine processing building near the town of Rico (Dolores County), Colorado. Fluid sprays from a pipe and belt driven machinery is mounted on an iron beam over the vat.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Interior of Nugget Mill. Glendale Colo.

    • Interior of the Nugget Mill in Glendale, Boulder County, Colorado; shows grooved Wilfley or concentrating tables (for processing ore from mines), pulleys, belts, and open beam ceilings.
    • Dickerson, A. E.
    • 1902
    • Brownville, Colorado

    • Brownsville, in Clear Creek County, Colorado, is built in a narrow, rocky canyon, and consists of saltbox dwellings and ore processing sheds. A wooden footbridge crosses Clear Creek, and some of the houses have fenced yards.
    •  
    • [between 1879 and 1883]
    • CMA U.S. Vanadium from lower east road

    • View of (probably) the Shamrock Mine in Uravan, (Montrose County), Colorado; shows sandstone cliffs, ore processing sheds, and the San Miguel River.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • 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.
    •  
    • 1937
    • CMA Rico Argentine - mill

    • View of flotation cells at the Argentine Mill in Rico (Dolores County), Colorado; belt drives power the ore processing machinery.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Aurora Public Library

    • A view of the Aurora, Colorado, public library is seen from behind the circulation desk. The silhouette of a globe and plants are in the foreground. A woman stands behind the circulation desk, and a woman borrower stands at the desk, checking out...
    •  
    • April 11, 1962
    • Scene at Altman, the Cripple Creek District

    • View of the lower edge of Altman with the Isabella Mine below, Teller County, Colorado, includes a slope covered with small log cabins, wood frame residences, outhouses, sheds, smelters, mines, and tailing dumps. The narrow gauge Golden Circle...
    •  
    • 1900
    • Cresson Mine

    • View of the Cresson mine complex near Cripple Creek (Teller County), Colorado; cars are by ore processing buildings and tailings.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Tobasco [sic] Mine

    • View of the Tabasco coal mine (Las Animas County), Colorado. Mine railroad tracks connect the shafthouse and processing plants. Smoke rises from the nearby smokestacks.
    • Aultman, Otis A., 1874-1943.
    • [between 1890 and 1910?]
    • Sprague - Osborn Mill

    • View of a (silver or tungsten?) mine processing facility in Boulder County, Colorado; shows ore reduction sheds and a water tower.
    • Price, Charles S.
    • [between 1900 and 1920?]
    • Ajax Mine

    • View of the Ajax Mine complex near Cripple Creek (Teller County), Colorado; shows houses, ore processing buildings, and mountain peaks.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • U.S. Vanadium, Rifle, Colo.

    • View of a U.S. Vanadium Corporation processing mill, known as the old mill site, in Rifle (Garfield County), Colorado. Shows a Denver and Rio Grande Western locomotive and freight cars beside a multi-story mill building. The Colorado River is...
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Hidden Treasure Mill

    • A view of the mill at the Hidden Treasure Mine near Lake City (Hinsdale county), Colorado.
    • Buckwalter, Harry H.
    • [between 1890 and 1910]
    • Ore and metals mill, Leadville

    • Work men wear overalls and stand on wooden ramps in an interior of a mine processing mill in Leadville (Lake County), Colorado. The two story building has exposed rafters.
    • Zellers, Bob.
    • [between 1920 and 1940?]
    • Vanadium prop.

    • View of a U.S. Vanadium Corporation processing mill near Uravan (Montrose County), Colorado. Smoke rises from smokestacks. Shows corrugated metal sided buildings and tailings piles on a hillside.
    • Zellers, Bob.
    • [between 1936 and 1945?]
    • Centrifugal machine, Brighton, Colo, sugar beet factory

    • Interior view of a Great Western Sugar processing facility in Brighton (Adams County), Colorado; a man works with a wheel valve by a sign: "Danger - Bring Centrifugal To A Complete Stop Before Putting Discharger Into The Sugar."
    •  
    •  
    • Kramer mill

    • View of the Kramer Mines Inc. mill in Salida (Chaffee County), Colorado. The fluorspar processing plant is on a hillside and has tar paper siding, tailings piles, an elevator, and a tower that houses an ore bin.
    • Zellers, Bob.
    • [between 1942 and 1950?]
    • Kramer mill

    • View of the Kramer Mines Inc. mill in Salida (Chaffee County), Colorado. The fluorspar processing plant is on a hillside and has tar paper siding, tailings piles, an elevator, and a tower that houses an ore bin. Cars are parked on a three-tiered...
    • Zellers, Bob.
    • [between 1942 and 1950?]

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