Pg.71 #3160 Looking downstream toward the No.6 Arizona Intake Tower Control House. Note the Bridge forms being placed for pouring. Mar. 25, 1935. Pg.71 #3169 View taken from the Arizona side, showing the Intake Towers and the upstream face of Boulder Dam. Mar. 26, 1935. Pg.71 #3173 View taken from No.4 Raise, looking upstream at the Arizona Spillway Bridge. March 26th, 1935.