Libby Dam Natural Resource Manager Tana Wilson's Grandpa Whitey's Dedication coin given to the builders during the operating project's official dedication by President Gerald Ford, Aug. 24, 1975. The U.S. Army Corps of Engineers, Seattle District, will commemorate 50 years of the dam's dedication with an unveiling and Open House, Aug. 23, 2025. The event will include a tour on top of the dam, a visit of the Treaty Tower, informational booths, food booths and entertainment. (Photo courtesy Tana Wilson)