Glen Canyon Dam Bridge, Dam Access Tunnel, Page, Coconino County, Arizona, United States
United States Bureau of Reclamation
United States Bureau of ReclamationCONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Wikipedia[1][4] (Glen Canyon Dam and Lake Powell), EBSCO[2] Research Starters and the Utah[3] Division of State History all state that Lady Bird Johnson dedicated the dam on 22 September 1966.First Lady Lady Bird Johnson formally dedicated Glen Canyon Dam in northern Arizona on 22 September 1966, three years after its last concrete was poured and the river began backing up into Lake Powell.
1.00