SIOUX FALLS SOUTH DAKOTA-1960: A vintage 8mm film clip captures the Pathfinder Atomic Power Plant sign on a clear day. The prominent blue and white sign advertises an open house event on Sunday, October 9, 1960, with text from Pioneer Service, Fegles Const Co, and Power Service Corp. The sign stands in a rural field under a bright blue sky, showcasing classic mid-century American industrial signage and the era's film grain quality.
