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  • All fields: flotation
(50 results)



Display: 50

    • Climax, Colo., rear view of flotation machines showing motors and drives

    • View from the back of flotation machines, with motors and drives, inside the Climax Molybdenum Company mine, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Machinery--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Climax, Colo., flotation machines

    • Rows of flotation machines inside the Climax Molybdenum Company mine, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Machinery--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Ophir flotation mill

    • View of a flotation mill near Ophir, San Miguel County, Colorado.
    • Ophir (Colo.)--1920-1930.; Flotation--Colorado--Ophir--1920-1930.; Mining--Colorado--Ophir--1920-1930.
    • 1929
    • Climax, Colo., tex-rope drivers on rear of flotation machines no. 2 mill

    • View from the back of flotation machines, with motors and drives, inside the Climax Molybdenum Company mine, no. 2 mill, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Milling machines--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Climax, Colo., flotation machines no. 2 mill unit

    • Rows of flotation machines inside the Climax Molybdenum Company mine, mill no. 2, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Milling machines--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Climax, Colo., flotation machines

    • Rows of flotation machines inside the Climax Molybdenum Company mine, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Machinery--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Alma - Lincoln - flotation cells

    • Interior view of flotation cells at the Alma Lincoln Mine mill in Idaho Springs (Clear Creek County), Colorado. Can reads: "Shawningan Carbide."
    • Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Flotation--Colorado--Idaho Springs--1940-1950.; Interiors--Colorado--Idaho Springs--1940-1950.; Mills--Colorado--Idaho Springs--1940-1950.;...
    • [between 1940 and 1950?]
    • Climax, Colo., Climax flotation machines

    • Rows of flotation machines inside the Climax Molybdenum Company mine, Climax, Lake County, Colorado.
    • Flotation--Colorado--Climax--1930-1940.; Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Machinery--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Sts. John, ball mill and flotation vats

    • View of the remnants of the ball mill for the Saints John Mine in the ghost town of Saints John (Saint John, Coleyville) in Summit County, Colorado. Shows an iron cylindrical enclosed flotation vat with a large gear, flywheel and cam shaft. A...
    • Saints John (Colo.)--1960-1970.; Machinery--Colorado--Saints John--1960-1970.; Mills--Colorado--Saints John--1960-1970.; Ore industry--Colorado--Saints John--1960-1970.
    • 1969
    • Veta Mines - flotation cells

    • Interior view of flotation cells at the Smuggler Union Pandora (Veta Mines) ore processing facility in San Miguel County, Colorado. Shows slurry and belt drive agitators.
    • Pandora (Colo.)--1930-1950.; Pandora Mill (San Miguel County, Colo.)--1930-1950.; Interiors--Colorado--Pandora--1930-1950.; Mills--Colorado--Pandora--1930-1950.; Mining--Colorado--Pandora--1930-1950.
    • [between 1930 and 1950?]
    • Flotation mill at Pandora

    • View of the flotation mill at the Smuggler Union Pandora (Veta Mines) ore processing facility in San Miguel County, Colorado. Shows sheds and tailings.
    • Pandora (Colo.)--1930-1950.; Pandora Mill (San Miguel County, Colo.)--1930-1950.; Mills--Colorado--Pandora--1930-1950.; Mining--Colorado--Pandora--1930-1950.
    • [between 1930 and 1950?]
    • Flotation cells are monitored during skimming operation for molybdenum recovery.

    • A worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
    • September 6, 1980
    • Climax, Colo., flotation machines no. 1 mill

    • View inside the Climax Molybdenum Company mine, mill no. 1, with rows of flotation machines, Climax, Lake County, Colorado.
    • Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Milling machines--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • Flotation cells skim molybdenum

    • A worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
    • September 6, 1980
    • Rico Argentine, flotation cells

    • View of mud covered flotation cells in an ore processing building at the Rico Argentine Mining Company Mine near Rico (Dolores County), Colorado. Shows belt driven machinery.
    • Rico (Colo.)--1930-1950.; Rico Argentine Mining Company Mine (Dolores County, Colo.)--1930-1950.; Interiors--Colorado--Rico--1930-1950.; Machinery--Colorado--Rico--1930-1950.; Mining--Colorado--Rico--1930-1950.; Ore...
    • [between 1930 and 1950?]
    • Climax, Colo., four cell rougher cleaner unit, mill no. 2

    • Four cell flotation machine at the Climax Molybdenum Company mine, No. 2 mill, in Climax, Lake County, Colorado.
    • Climax (Colo.)--1930-1940.; Industry--Colorado--Climax--1930-1940.; Interiors--Colorado--Climax--1930-1940.; Milling machines--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1930?]
    • CMA Rico Argentine - mill

    • View of flotation cells at the Argentine Mill in Rico (Dolores County), Colorado; belt drives power the ore processing machinery.
    • Rico (Colo.)--1940-1950.; Rico Argentine Mining Company Mine (Dolores County, Colo.)--1940-1950.; Interiors--Colorado--Rico--1940-1950.; Mining--Colorado--Rico--1940-1950.; Ore industry--Colorado--Rico--1940-1950.
    • [between 1940 and 1950?]
    • Colorado Fluorspar, Salida

    • View of a processing plant or flotation mill identified as part of Colorado Fluorspar in Salida (Chaffee County), Colorado. The building is on a hillside and has tar paper siding, smokestacks and elevators. Shows a truck on a dirt road near the...
    • Fluorspar industry--Colorado--Salida--1940-1950.; Salida (Colo.)--1940-1950.; Metal buildings--Colorado--Salida--1940-1950.; Mills--Colorado--Salida--1940-1950.; Mining--Colorado--Salida--1940-1950.; Ore industry--Colorado--Salida--1940-1950.
    • [between 1940 and 1950?]
    • Sunnyside Mill - Eureka, Colorado

    • View of the Sunnyside Mill, Eureka, San Juan County, Colorado; shows mining ore processing buildings, miners' houses, and the Animas River valley.
    • Eureka (Colo.)--1900-1920.; Sunnyside Mine (San Juan County, Colo.)--1900-1920.; Mills--Colorado--Eureka--1900-1920.; Mining--Colorado--Eureka--1900-1920.; Valleys--Colorado--Eureka--1900-1920.
    • [between 1900 and 1920?]
    • Colorado Fluorspar, Salida

    • View of a processing plant or flotation mill identified as part of Colorado Fluorspar in Salida (Chaffee County), Colorado. The building is on a hillside and has tar paper siding, smokestacks and elevators. Shows tailings piles and a truck on a...
    • Fluorspar industry--Colorado--Salida--1940-1950.; Salida (Colo.)--1940-1950.; Metal buildings--Colorado--Salida--1940-1950.; Mills--Colorado--Salida--1940-1950.; Mining--Colorado--Salida--1940-1950.; Ore industry--Colorado--Salida--1940-1950.
    • [between 1940 and 1950?]
    • 1930 Denver Householders' Directory and Street and Avenue Guide v.6

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1930
    • 1929 Denver Householders' Directory and Street and Avenue Guide v.5

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1929
    • 1927 Denver Householders' Directory and Street and Avenue Guide v.3

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1927
    • Veta Mines - flotation cells

    • Interior view at the Smuggler Union Pandora (Veta Mines) in San Miguel County, Colorado; a man monitors ore processing machinery.
    • Pandora (Colo.)--1940-1950.; Pandora Mill (San Miguel County, Colo.)--1940-1950.; Interiors--Colorado--Pandora--1940-1950.; Laborers--Colorado--Pandora--1940-1950.; Mills--Colorado--Pandora--1940-1950.; Mining--Colorado--Pandora--1940-1950.
    • [between 1940 and 1950?]
    • 1928 Denver Householders' Directory and Street and Avenue Guide v.4

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1928
    • Flotation mill & Wilfley table

    • Interior of mine processing sheds in (probably) Colorado; shows Wilfley concentrating tables, machinery, and men working.
    • Mine buildings--Colorado--1930-1940.; Interiors--Colorado--1930-1940.; Mills--Colorado--1930-1940.; Mining--Colorado--1930-1940.
    • [between 1933 and 1939?]
    • 1931 Denver Householders' Directory and Street and Avenue Guide v.7

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1931

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