Access Restricted Archival objects in this container: Celebration at the Hoover Dam powerhouse, 1971 March 09 Celebration at the Hoover Dam powerhouse, 1971 March 09 Celebration at the Hoover Dam powerhouse fireworks, 1971 March 09 Celebration at the Hoover Dam powerhouse fireworks, 1971 March 09 Celebration at the Hoover Dam powerhouse, 1971 March 09 Young Presidents' Organization Convention Chairman Dick Woodward and Hoover Dam Project Manager Frank Lord greeting Bureau of Reclamation Commissioner Ellis L. Armstrong upon his arrival to a celebration held by the Young Presidents' Organization at the Hoover Dam powerhouse, 1971 March 09 Bureau of Reclamation Commissioner Ellis L. Armstrong greeting Art Linkletter upon arrival to a party held by the Young Presidents' Organization, 1971 March 09 Art Linkletter, Dick Woodward, and Commissioner of the Bureau of Reclamation Ellis L. Armstrong at a party held by the Young Presidents' Organization, 1971 March 09 Celebration at the Hoover Dam powerhouse, 1971 March 09 Dick Woodward and Ellis L. Armstrong at a party held by the Young Presidents' Organization, 1971 March 09 Unidentified brick hotel located in St. Thomas, Nevada, 1934 May 13 Unidentified, abandoned school building located at St. Thomas, Nevada, 1934 May 13 Man in front of an abandoned, unidentified homestead located in St. Thomas, Nevada, 1934 May 13 Two abandoned cars in St. Thomas, Nevada, 1945 April 11 Looking toward the Mormon Mesa from St. Thomas, Nevada, 1945 April 11 St. Thomas, Nevada, undated St. Thomas, Nevada, 1964 March 25 St. Thomas, Nevada, 1964 March 25 St. Thomas, Nevada, 1964 March 25