Heavy construction equipment, Going-to-the-Sun Road, Glacier National Park, Montana

Heavy construction equipment, Going-to-the-Sun Road, Glacier National Park, Montana
Tight maneuvering room and sheer drop-offs taught construction workers to operate with precision while building the Going-to-the-Sun Road. Here workers pose with their equipment in 1932. | Creator: unknown photographer | Date: 1932 | Source: Glacier National Park Association
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