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  • All fields: Zellers, Bob.
(448 results)



Display: 50

    • CMA London office staff

    • Interior view of an office at the London Mine in (possibly) Alma, (Park County), Colorado; men and a woman work at desks with ink bottles, a pencil sharpener, and ledgers. Safe and adding machine read: "Charpiot Safe Co. Denver, Colo," and "Monroe."
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Slide Mine, jumbo, close-up, 3/4 rear

    • Two men work with compressed air, percussion-type rock drills called a stopers in the Slide Mine in Boulder County, Colorado. The men wear work clothes, hard hats, and electric mine lamps. Rocks and boulders litter the floor of the shaft.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Pando, Camp Hale construction

    • A construction worker, surrounded by piles of wood, uses a table saw at Camp Hale in the Pando Valley (Eagle County), Colorado. Shows workers, parked automobiles and buildings. The men wear hats, gloves and overalls.
    • Zellers, Bob.
    • [1942?]
    • 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?]
    • So. Platte Dr. Co. gen. view

    • View of the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Tailings piles are nearby.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Pando, Camp Hale construction

    • A man wears a hat and stands next to a flatbed truck that contains lumber. The truck is parked beside gable-roofed barracks under construction at Camp Hale in the Pando Valley (Eagle County), Colorado.
    • Zellers, Bob.
    • [1942?]
    • Construction at Camp Hale

    • Construction workers are on wooden scaffolding beside a multi-story building under construction at Camp Hale (Eagle County), Colorado. A crane is on the roof. A man holds a wooden rafter and men stand on the ground beside the brick and probably...
    • Zellers, Bob.
    • [1942?]
    • CMA Rico / Argentine

    • View of ore processing sheds at the Argentine Mine near Rico (Dolores County), Colorado.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • So. Platte Dr. Co., rollers

    • View of roller mechanism on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Pando, Camp Hale construction

    • Interior view of a man, probably a plumber, with a wrench at Camp Hale in the Pando Valley (Eagle County), Colorado. Shows men outside of the building and window frames leaned against the interior wall of the building.
    • Zellers, Bob.
    • [1942?]
    • CMA Alta / supt. posed

    • A man poses in Alma (Park County), Colorado; a mining superintendent is by frame houses.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Parade

    • ROTC (Reserve Officers' Training Corps) cadets march at the corner of Broadway and Maple Streets as part of an Armistice Day parade in Denver, Colorado. Teenagers carry rifles, wear hats and are dressed in uniform. Signs read: "Green Far-Go."
    • Zellers, Bob.
    • [1941 November 11?]
    • Pando, Camp Hale construction

    • Interior view of construction workers as they paint the window frames of a building at Camp Hale in the Pando Valley (Eagle County), Colorado. A saw rests against the wall, a hand plane lies on the floor, a paint can sits atop a sawhorse and the...
    • Zellers, Bob.
    • [1942?]
    • CMA Veta Mines / clean-up

    • A man cleans metal pans in (probably) Colorado; he wears bib overalls and industrial gloves. A scale is on a table.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Water supply ditch, So. Platte Dr. Co.

    • View of a ditch that leads to the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Parker County). Gravel tailing piles are nearby and mountains are in the distance. Shows part of the dredge.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Pando, Camp Hale construction

    • View of construction equipment at the Camp Hale site in the Pando Valley (Eagle County), Colorado. Wood scaffolding surrounds a square coned apparatus, possibly a feeder. The plate attached to the equipment reads: "MFD By BLAW-KNOX, Pittsburgh,...
    • Zellers, Bob.
    • [1942?]
    • 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?]
    • Kramer Mines Inc.

    • A man works in an assay office at the Kramer Mine in Salida (Chaffee County), Colorado. Test tubes and chemistry equipment sit on a counter top. The worker wears his shirt sleeves rolled up.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Pando, Camp Hale construction

    • View of the construction site at Camp Hale in the Pando Valley (Eagle County), Colorado. A man wears a hat and saws the frame on wooden scaffolding that supports him. Shows metal tanks, a steel frame and an arched roof.
    • Zellers, Bob.
    • [1942?]
    • Camp Hale, construction

    • A man drives a Caterpillar machine with tracks, possibly a loader, for construction of buildings at Camp Hale (Eagle County), Colorado. Mountains are near the Pando valley.
    • Zellers, Bob.
    • [1942?]
    • 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?]
    • So. Platte Dr. Co.

    • View of iron beams, cables, and pulleys on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado.
    • Zellers, Bob.
    • [between 1930 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?]
    • So. Platte Dr. Co.

    • View of an extended arm and conveyor belt on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Gravel tailing piles are on the ground at the end of the mechanical arm.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Rico Argentine, dump & ore train

    • A row of ore carts sit on train tracks on a tailings embankment at the Rico Argentine Mining Company Mine near the town of Rico (Dolores County), Colorado. Snow covers the ground and the Dolores River flows under a bridge.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • CMA U.S. Vanadium GE turbine

    • View of a General Electric turbine generator, at a U.S. Vanadium facility in (probably) Uravan (Montrose County), Colorado.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • So. Platte Drg. Co.

    • View of equipment on the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Shows chains, cables, and iron beams.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Rico Argentine Mine, dump & ore train

    • Workers dump ore cars from the Rico Argentine Mining Company Mine over a tailings embankment and into the Dolores River near the town of Rico (Dolores County), Colorado. A wood bridge is in the distance.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • 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?]
    • So. Platte Drg. Co.

    • View of bucket mechanisms on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows iron beams, cables, and buckets.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Pando, Camp Hale construction

    • View of construction equipment at the Camp Hale site in the Pando Valley (Eagle County), Colorado. Shows steel scaffolding that holds coned feeders. Concrete pours from the bottom feeder into the top of a cement truck. Shows a man, dirt road and...
    • Zellers, Bob.
    • [1942?]
    • 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?]
    • So. Platte Drg. Co.

    • Mechanized buckets scoop up soil on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows rock filled alluvial soil, cables, iron beams, and buckets.
    • Zellers, Bob.
    • [between 1930 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?]
    • So. Platte Drg. Co.

    • View of a tall iron beam structure that is part of the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows the iron beam framework, pulleys, and cables.
    • 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?]
    • CMA U.S. Vanadium interior of commissary

    • Interior view of the worker's market in (probably) Uravan, (Montrose County), Colorado; men and a boy look at merchandise including canned and baked goods.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • So. Platte Dr. Co., tragles [sic.]

    • Water flows from pipes into long sluice boxes on the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • 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?]
    • So. Platte Drg. Co.

    • View of an iron framework on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows mechanized buckets transporting dirt, cables, iron beams, and the Platte River.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • WPCD, general-outside

    • View of automobiles, a dump truck and gabled buildings at the West Portal construction site of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. Shows buildings and a snow covered...
    • Zellers, Bob.
    • [between 1940 and 1942?]
    • CMA U.S. Naturita office

    • View of a mining office in Naturita (Montrose County), Colorado; signs read: "Vanadium Corporation of America."
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • So. Platte Drg. Co.

    • Buckets scoop soil from the Middle Fork South Platte River bed to be processed on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows iron beam framework, pulleys, and cables.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • 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?]
    • So. Platte Drg. Co.

    • Mechanized buckets lift dirt onto the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Shows steel beam framework and cables.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Camp Hale, construction

    • Men wear overalls or work clothes and pose beside metal pipes at a construction site at Camp Hale (Eagle County), Colorado. Shows a wrench and a mallet and exposed ceiling rafters.
    • Zellers, Bob.
    • [1942?]
    • So. Platte Drg. Co., control room

    • A worker operates the controls of the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. The man sits in the control room and holds a control lever in each hand. Other control levers...
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Cripple Creek - main intersection

    • View of Cripple Creek (Teller County), Colorado; cars are parked on Bennett Street. Business signs read: "Palace Drugs," "Conoco," "Garage," "Theater - Leather Pushers - The Human Monster."
    • Zellers, Bob.
    • [between 1940 and 1945?]

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