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.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.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.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.