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  • All fields: Construction workers--Colorado--Jefferson County--1930-1940.
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Display: 50

    • Conduit #16

    • Workmen unload pipes onto wood frames at a work site in Jefferson County, Colorado. The pipes are forty-two inch diameter reinforced concrete pipes made by the Lock Joint Company of Denver for construction of Conduit #16 of the Fraser River...
    • Jefferson County (Colo.)--1930-1940.; Pipes (Conduits)--Colorado--Jefferson County--1930-1940.; Construction workers--Colorado--Jefferson County--1930-1940.; Trucks--Colorado--Jefferson County--1930-1940.
    • 1936 October 16
    • Conduit #16

    • Construction workers stand in a deep trench and shovel dirt over a large concrete pipe at a work site in Clear Creek valley in Jefferson County, Colorado. The pipe is forty-two inch diameter reinforced concrete pipe coated with coal tar enamel. The...
    • Excavating machinery--Colorado--Jefferson County--1930-1940.; Jefferson County (Colo.)--1930-1940.; Pipes (Conduits)--Colorado--Jefferson County--1930-1940.; Construction workers--Colorado--Jefferson County--1930-1940.;...
    • 1936 October 16
    • Road tunnel construction in Red Rocks Park

    • Laborers pose near ore cars and on stone rubble, in the entrance to a road tunnel under construction, in Red Rocks Park, a Denver Mountain Park near Morrison in Jefferson County, Colorado. Dual railroad tracks enter the tunnel. Shows a sandstone...
    • Denver Mountain Parks--1930-1940.; Jefferson County (Colo.)--1930-1940.; Red Rocks Park (Colo.)--1930-1940.; Construction workers--Colorado--Jefferson County--1930-1940.; Construction--Colorado--Jefferson County--1930-1940.;...
    • [between 1937 and 1940?]

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