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  • All fields: hopper
(303 results)



Display: 50

    • East Denver High School Annual: 1909

    • 1909 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1909
    • The Annual: East Denver High School, 1914

    • 1914 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1914
    • Testing method that makes exact comparisons possible

    • John Gates, on right, and an unidentified man use stopwatches to test a tire that is set up on round track at the Gates Rubber Company roof in Denver, Colorado. Shows smokestack, hopper, brick wall, and Charles C. Gates on right with several men in...
    • Gates Rubber Company--1910-1920.; Denver (Colo.)--1910-1920.; Tire industry--Colorado--Denver--1910-1920.; Gates, Charles Cassius, 1877-1961.; Gates, John.
    • [between 1910 and 1920?]
    • Colorado Fuel & Iron

    • View of Colorado Fuel and Iron Company steel mills in Pueblo (Pueblo County), Colorado; shows smokestacks, Colorado and Southern Railway hopper cars, Denver and Rio Grande Western Railroad cars on elevated track, ore, and industrial fans.
    • Colorado Fuel and Iron Company--Buildings--1940-1950.; Pueblo (Colo.)--1940-1950.; Railroad freight cars--Colorado--Pueblo--1940-1950.; Steel industry--Colorado--Pueblo--1940-1950.
    • [between 1940 and 1950?]
    • M.M. Lumber Co

    • View of a sawmill in (probably) Colorado; a car is by buildings with a hopper and smokestacks.
    • Lumber industry--Colorado--1940-1950.; Mills--Colorado--1940-1950.
    • [between 1940 and 1950?]
    • John L. Martin dam - conveyor and concrete mixer

    • View of the construction of the John Martin Dam near Las Animas (Bent County), Colorado; shows a faceted concrete plant with a hopper and an elevator. A crane is in the distance.
    • Bent County (Colo.)--1940-1950.; John Martin Reservoir Dam (Colo.)--1940-1950.; Conveying systems--Colorado--Bent County--1940-1950.; Dam construction--Colorado--Bent County--1940-1950.
    • [between 1940 and 1950?]
    • John L. Martin dam - loading chute and concrete plant

    • View of construction at the John Martin Reservoir Dam near Las Animas (Bent County), Colorado; shows a loading chute at the concrete plant, tracks, hopper cars, and a crane.
    • Bent County (Colo.)--1940-1950.; John Martin Reservoir Dam (Colo.)--1940-1950.; Concrete products industry--Colorado--Bent County--1940-1950.; Dam construction--Colorado--Bent County--1940-1950.
    • [between 1940 and 1950?]
    • CMA American Fluorspar supt & trucker at truckloading bin

    • Men pose at night by a truck in (probably) Colorado Springs (El Paso County), Colorado; lettering reads: "American Fluorspar Corp. Colo. Springs. Colo. PUC C-11420." Ore pours from a hopper.
    • Colorado Springs (Colo.)--1940-1950.; Dump trucks--Colorado--Denver--1940-1950.; Mining--Colorado--Denver--1940-1950.; Night--Colorado--Denver--1940-1950.
    • [between 1940 and 1950?]
    • C F & I, Pueblo Donkey engine and slag hopper

    • Shows a donkey engine and slag hopper of the Colorado Fuel and Iron Company in Pueblo, Colorado. One worker stands behind the slag hopper, another worker is seated in the cab of the engine car. 2. Other workers stand near the train car.
    • Colorado Fuel and Iron Company.; Steam donkeys--Colorado--Denver--1890-1910.; Denver (Colo.)--1890-1910.; Railroad locomotives--Colorado--Denver--1890-1910.
    • [between 1890 and 1910]
    • Harry Brown - Brown Retort

    • Harry Brown poses in an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; he poses beside a Brown retort (he is probably the inventor) that consists of a hopper, rotating tanks, and exhaust stacks.
    • Index Oil Shale Company--Facilities--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Machinery--Colorado--De Beque--1920-1930.; Petroleum...
    • [between 1920 and 1930?]
    • Coal mine

    • View of a shafthouse at a coal mine probably near Trinidad (Las Animas County), Colorado. A railroad car is near a hopper.
    • Mine buildings--Colorado--Trinidad--1890-1910.; Trinidad (Colo.)--1890-1910.; Coal mining--Colorado--Trinidad--1890-1910.; Mine railroad cars--Colorado--Trinidad--1890-1910.; Mining--Colorado--Trinidad--1890-1910.
    • [between 1890 and 1910?]
    • Coal breaker

    • Workmen work on a partially constructed coal processing plant probably near Trinidad (Las Animas County), Colorado. A hopper, flywheels, and staircases are at the construction site.
    • Trinidad (Colo.)--1890-1910.; Building construction--Colorado--Trinidad--1890-1910.; Coal--Colorado--Trinidad--1890-1910.; Mining--Colorado--Trinidad--1890-1910.; Ore industry--Colorado--Trinidad--1890-1910.
    • [between 1890 and 1910?]
    • Miners

    • Miners pose on a portable rail hopper at a mine probably near Trinidad (Las Animas County), Colorado. The men wear jackets and hats.
    • Las Animas County (Colo.)--1890-1910.; Miners--Colorado--Las Animas County--1890-1910.; Mining--Colorado--Las Animas County--1890-1910.; Railroad cars--Colorado--Las Animas County--1890-1910.
    • [between 1890 and 1910?]
    • Argo Smelting Works (Boston and Colorado Smelting Co.)

    • Boston & Colorado Smelting Company's Argo Smelting Works refinery in Denver, Colorado shows: brick covered furnace with attached troughs, and a hopper.
    • Argo Smelting Company (Denver, Colo.); Boston & Colorado Gold and Silver Smelting Company.; Denver (Colo.)--1890-1900.; Interiors--Colorado--Denver--1890-1900.; Mining--Colorado--Denver--1890-1900.; Smelters--Colorado--Denver--1890-1900.
    • 1892
    • Alameda yards work cars # 758 424

    • View of Denver Tramway Corporation work cars 758 and 424 in the Alameda yard in Denver, Colorado. Car 758 has a crane. Buildings and a hopper are nearby.
    • Denver Tramway Corporation (Denver, Colo.)--1940-1950.; Denver (Colo.)--1940-1950.; Hoisting machinery--Colorado--Denver--1940-1950.; Street railroads--Colorado--Denver--1940-1950.
    •  
    • Pre-1963 Colorado mining fatalities

    • An alphabetical listing of people who were killed in mining accidents in Colorado from 1884, when state legislation first required mining companies to report their accidents, through 1962.
    • Mine accidents--Colorado. ; Registers of births, etc.--Colorado. ; Colorado--Vital records.
    • 1995
    • Illinois Mining Accidents 1889 to 1925

    • An alphabetical listing of people who were killed in mining accidents in Illinois from 1889 to 1925.
    • Mine accidents--Illinois--Indexes.
    • 2007
    • Workshop at Colorado School of Mines

    • Interior view of a mining workshop at the Colorado School of Mines in Golden (Jefferson County), Colorado. Shows a large room with machinery, catwalks, a hopper and chute, work benches, light weight ore cars, and pipes.
    • Colorado School of Mines--Facilities--1910-1920.; Golden (Colo.)--1910-1920.; Interiors--Colorado--Golden--1910-1920.; Machinery--Colorado--Golden--1910-1920.; Mine railroad cars--Colorado--Golden--1910-1920.; Mining--Colorado--Golden--1910-1920.;...
    • [between 1915 and 1920?]
    • First Baptist Church Diamond Anniversary

    • Book commemorating the Diamond Anniversary of the First Baptist Church in Denver, Colorado. Included in the book is a description of the history of the church, is former locations, photographs and a list of members of the congregation.
    • First Baptist Church (Denver, Colo.)--Directories.; First Baptist Church (Denver, Colo.)
    • 1939

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