Pg.59 #2996 Boulder Dam, looking upstream from Lookout Point. Jan. 2nd, 1935. Pg.59 #3015 Looking across top of Boulder Dam, toward the Arizona side, showing the start of the utility and elevator towers. Jan. 8th, 1935. Pg.59 #3000 View taken from the Arizona side, looking across the top of Boulder Dam, showing elevator and utility towers. Jan. 2nd, 1935.

Pg.61 #3042 Telephoto view, looking downstream into the Arizona Spillway, showing the bridge under construction. Jan. 28th, 1935. Pg.61 #3020 Arizona Valve House, from the Government Cableway. Jan. 16th, 1935. Pg.61 #3044 Looking downstream into the Nevada Spillway. Jan. 29, 1935. Pg.61 #3032 Looking upstream toward Boulder Dam, showing excavation of the downstream cofferdam. Jan. 28th, 1935.

Pg.70 #3152 Looking upstream toward the Nevada Intake Towers, showing the Intake Bridge girders in place. March 25, 1935. Pg.70 #3177 Looking upstream toward the Nevada Powerhouse. Mar. 26, 1935. Pg.70 #3181 Looking upstream toward the No.1 upstream plug, showing approximately 7,100 second feet of water being discharged. March 26, 1935. Pg.70 #3178 Looking upstream toward the Arizona Powerhouse. Mar. 26, 1935.

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.

Pg.82 #1 (0267 0022) Aerial view, looking downstream from the Arizona side of Black Canyon. June 4, 1935. Pg.82 #3321 Looking downstream from the Arizona side of Black Canyon, showing the reservoir level at the base of the Intake Towers. June 24, 1935. Pg.82 #3 Aerial view, looking upstream toward Boulder Dam. June 4, 1935. Pg.82 #3339 Looking upstream from Observation Point, showing the reservoir area. June 24, 1935.

Pg.89 #3423 Interior view of Nevada Valve House, looking downstream. Note N-6 Emergency Gate being installed. Aug. 27, 1935. Pg.89 #3424 Nevada Valve House roof, looking upstream. Note low strength pedestals and double layer of railroad iron being placed. Aug. 27, 1935. Pg.89 #3407 Switchyard control house, yard and present sub-station. View taken looking toward Boulder Dam. Aug. 26, 1935.

p.6 #953 Looking out of upper portal of Diversion Tunnel No.2. Bucyrus Erie 43-B gas-air shovel reflected in pool of water. Mar. 7, 1932. p.6 #971 Flashlight close-up of workmen drilling on invert excavation. Mar. 7, 1932 p.6 #970 Flashlight photograph of drilling jumbo working on invert excavation at upper portal of Diversion Tunnel no.4 Mar. 8, 1932. p.6 #972 Wings extended for drilling fold back against the sides of drilling jumbo. Mar. 8, 1932.