Closure ceremonies for the Oahe Dam held today (August 3, 1958). 12,000 people attending. Joe Foss, Governor of South Dakota and Winthrop Rockefeller, philanthropist of Little Rock, Arkansas featured speakers.
South Dakota State Library; South Dakota. Office of the State Engineer; Sherer, Frank; Layne Minnesota Company (Minneapolis, Minn.); Welfl Construction Company; Building construction -- United States -- South Dakota -- Pierre -- 1970-1980
131 caissons ranging in depth from 15 to 47 feet will be drilled and filled with concrete for the underpinning of the new state library building.