Pg.42 #2774 View showing river side of Arizona Spillway, looking downstream. July 24th, 1934. Pg.42 #2761 Looking upstream toward the Nevada Spillway, showing the placing of the Cylinder Gates. July 20th, 1934. Pg.42 #2758 First 30-ft. penstock pipe section being lifted from trailer with Government Cableway. July 20th, 1934.

Pg.47 #2860 Looking downstream into the Arizona Spillway. Sept. 27th, 1934. Pg.47 #2861 Looking downstream into the port of No.4 raise. Sept. 27, 1934. Pg.47 #2865 Looking from the Arizona side, toward the Nevada side, showing all four Intake Towers, three derricks, Boulder Dam to the left, and the Nevada Spillway to the right. Sept. 27th, 1934.

Pg.56 #2934 Looking upstream in No.1 plug, showing the united portions of the arch and raise into the Nevada Spillway. Nov. 17th, 1934. Pg.56 #2935 Looking upstream into No.3 plug and raise, showing plug concrete in place, cooling headers above and rail extension for moving steel pipe. Nov. 17th, 1934.

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.

Pg.72 #3172 Telephoto view, looking downstream into the Arizona Spillway. Note the bridge and control house. March 26th, 1935. Pg.72 #3158 Telephoto view looking downstream into the Nevada Spillway. Note the Spillway Control House being formed. March 25, 1935.

Pg.77 #3299 Boulder Dam and the Powerhouse, looking upstream from the lower portals road. June 1, 1935. Pg.77 #3301 View from the crest of Boulder Dam, looking downstream on the Powerhouse. Note the numerous roof trusses in place, and the Valve Houses in the background. June 1, 1935.

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.