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  • All fields: Tunnels--Colorado--1940-1950.
(11 results)



Display: 50

    • Clear Creek / taking powder into tunnels - Pioneer

    • A man carries a dynamite crate into a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; drainage pipes and rail tracks line the bore.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek Highway timber & painting face

    • Interior view of a highway tunnel under construction on Highway 6 in Jefferson County or Clear Creek County, Colorado; a surveyor's transit and tripod are below frame shoring.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek Highway portal

    • View of the entrance to a highway tunnel under construction on Highway 6 in Jefferson County or Clear Creek County, Colorado; a man stands under frame shoring.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek / loading Pioneer Bore

    • Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; sticks of dynamite are in holes, and water covers the floor.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek / wiring heading - Pioneer

    • Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; they attach fuses to dynamite, and water covers the floor.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek / loading from ground under deck - right side

    • Men in hard hats place dynamite in a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; modular pipe shoring is by a dynamite crate with letters: "DuPont."
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek highway, portal & dump

    • View of a tunnel portal and dump associated with the construction of Highway 6 beside Clear Creek in Jefferson or Clear Creek County, Colorado. A dirt road snakes around the rocky landform. Equipment sits outside the tunnel entrance.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Loveland Pass tunnel, close up, eng. & transit

    • An engineer looks through a theodolite in the interior of a tunnel as he works on the proposed Loveland Pass tunnel project in Summit or Clear Creek County, Colorado. The man wears a heavy plaid wool jacket, hat, and glasses. Pipes run along the...
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Clear Creek, loading Pioneer

    • Men work in a tunnel excavated for Highway 6 in Jefferson or Clear Creek County, Colorado. They wear work clothes, hard hats, and electric mine lamps. Ankle deep water fills the cavern. Explosives are placed in holes that are drilled in the rock...
    • Zellers, Bob.
    • [between 1940 and 1950?]

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