Black and white image of General Dwight D. Eisenhower (prior to becoming President) and Hoover Dam's Director of Power, Louis R. Douglass, talking while on the ramp of the dam's powerhouse.
Black and white image of the Nevada Charter Committee with the following printed description: Shown are the members of Boulder City, Nevada, Charter Committee. Seated left to right, Thomas S. White, M.D., Morgan J. Sweeney, Clarence Arp, Andrew J. Mitchell, Robert N. Broadbent, Richard Ham, Joe Manix, Jane Cooke, Teresa Denning, and Eloise Blue; standing, Elbert B. Edwards, Byron L. Miller, Albert Franklin, A. B. West and Thomas Clapper.
Black and white image of the following individuals signing official contracts and deeds from the U.S. Bureau of Reclamation to Boulder City: Standing, from left to right: Joe Manix, Thomas White, M.D., Albert Franklin, and Morgan Sweeney; seated, from left to right: Lorraine Kautz, A. B. West, Robert Broadbent, and Milton N. Nathanson.
Black and white image of "Big Bertha" with the following printed description: Six Companies, Inc. motor transport hauling workmen between Boulder City and the dam. This double decked truck hauls 154 men.
Black and white image of "Big Bertha," the Six Companies, Inc. motor transport used to haul workmen between Boulder City and Hoover Dam. This double-decker truck could haul 154 men. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white portrait with the following printed description: Major John Wesley Powell - 2nd Director of Geological Survey (March 18, 1881 to June 7, 1894).
Black and white image of businessmen and engineers affiliated with Hoover Dam. From left to right: W. A. Bechtel, First Vice President, Six Companies, Inc.; Walker R. Young, Construction Engineer, Bureau of Reclamation; Elwood Mead, Commissioner, Bureau of Reclamation, F. T. Crowe, General Superintendent, Six Companies, Inc.; R. F. Walter, Chief Engineer, Bureau of Reclamation. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Herbert Hoover and several others touring the Boulder Canyon Project. The following printed description accompanies the image: "President Herbert Hoover and official party in Tunnel No. 2 during inspection tour of Boulder Canyon Project. Left to right: Construction Engineer W. R. Young, Bureau of Reclamation; Mr. Ritchey , Secretary to the President; Chief Engineer R. F. Walter, Bureau of Reclamation; Mrs. Hoover; President Hoover; Mrs. Wilbur; Secretary of the Interior R. L. Wilbur; E. O. Wattis, First Vice-President, Six Companies, Inc.; F. T. Crowe, Gen. Superintendent, Six Companies , Inc." Note: Boulder Dam was officially renamed Hoover Dam in 1947.