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  • All fields: EPCD
(5 results)



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    • EPCD, drilling from column

    • A worker operates a compressed air, percussion-type rock drill near the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel), of the Colorado-Big Thompson Water Diversion Project, in Grand County, Colorado. The man wears a safety...
    • Zellers, Bob.
    • [between 1940 and 1944?]
    • EPCD camp from above portal

    • View of construction at the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Larimer County, Colorado.; shows tracks, sheds, pipes, pipe sections, tailings, rocky crags, cirrus and cumulus...
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • EPCD Portal

    • View of the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Larimer County, Colorado. Shows tracks, pipes, rocks and signs that read: "U.S. Department of Interior, Bureau of Reclamation,...
    • Zellers, Bob.
    • [between 1941 and 1951?]
    • EPCD senators on man train

    • Senators with hard hats ride in a train through the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Larimer County, Colorado. Shows rocks, pipe, tracks, possibly a walkway and signs that...
    • Zellers, Bob.
    • [between 1941 and 1951?]
    • EPCD, blacksmith shop

    • Interior view of a machine shop near the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Larimer County, Colorado. Men pose next to machinery, tools, prongs and an anvil.
    • Zellers, Bob.
    • [between 1940 and 1950?]

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