Pg.60 #3007 Boulder Dam, looking downstream. View taken from the Arizona Canyon wall, showing Intake Towers and Himix in background. Jan. 8th, 1935. Pg.60 #3010 Looking upstream into falsework under the Arizona Spillway Bridge, showing jacks in place. Hopper arrangement in foreground is used for pouring No.4 raise. Jan. 8th, 1935.
An image from the power generator floor of visitors standing on a viewpoint platform inside the Hoover Dam powerhouse. Boulder Dam was officially renamed Hoover Dam in 1947.
Pg.80 #3335 Looking downstream, in the Nevada Valve House. June 24, 1935. Pg.80 #3331 Looking upstream, on the Nevada side of Black Canyon, toward Boulder Dam, showing the road tunnel portal. June 24, 1935. Pg.80 #3318 View taken from the Valve House catwalk, looking upstream toward the Power House. June 24, 1935.