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.50 #2843 View taken from the Nevada side, looking downstream on the lower coffer dam, showing excavation and dykes. Sept. 17th, 1934. Pg.50 #2862 Looking downstream toward the upstream face of Boulder Dam, from the Arizona side. Sept. 27th, 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.67 #3115 Looking upstream at Boulder Dam, from the Power House floor. Feb. 25th, 1935. Pg.67 #3125 View from the top of Boulder Dam, looking downstream on the Power Houses, showing the Valve Houses and lower cofferdam in the background. Feb. 25th, 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.79 #3319 - #3320 Panorama view, showing Six Companies Inc. work on the Arizona side of Black Canyon Highway. June 24, 1935. Pg.79 #3327 Arizona Valve House, from the Nevada side. June 24, 1935. Pg.79 #3328 Nevada Valve House, from the Arizona. June 24, 1935.

Pg.86 #3365 Looking upstream toward Boulder Dam and Power House. Jul. 25, 1935. Pg.86 #3373 Looking across the top of Boulder Dam, from the Nevada side. Jul. 26, 1935. Pg.86 #3378 The Nevada Valve House, with the refrigeration Plant below. July 26, 1935.