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.78 #3312 The Arizona Valve House, from the Nevada side. May 27, 1935. Pg.78 #3277 Telephoto view, from the Arizona side, showing portion of the Nevada Powerhouse. May 27, 1935. Pg.78 #3311 The Nevada Valve House, from the Arizona side. May 27, 1935. Pg.78 #3276 Telephoto view, from the Arizona side, showing the central section of the Powerhouse. May 27, 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.85 #3355 Looking downstream toward the Arizona Spillway, showing highway bridge and Arizona Highway. Jul. 25, 1935. Pg.85 #3381 Switchyard, Rigging Loft, and surround area. Jul. 26, 1935. Pg.85 #3379 Looking downstream toward No.1 raise and Nevada Spillway. Note drainage flume in foreground. Jul. 26, 1935. Pg.85 #3383 Looking into No.3 downstream plug, from the Nevada plug adit. Note forms for the first pour being built. Jul. 26, 1935.
Pg.88 #3401 Boulder Dam and Intake Towers, from Arizona side. Aug. 26, 1935. Pg.88 #3408 Looking upstream toward Nevada Spillway drainage flume and general area. Aug. 26, 1935. Pg.88 #3391 Looking upstream toward Boulder Lake, from Observation Point. Aug. 21, 1935. Pg.88 #3409 View taken from Arizona Intake Towers, looking toward Arizona Spillway. Note excavation for the float well supply line. Aug. 26, 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.
Pg.90 #3417 View of Arizona side of lower portals clean-up. Aug. 26, 1935. Pg.90 #3397 Nevada construction adits, Valve House and plug adit portal. Note absence of upstream end of lower portal road tunnel. Aug. 21, 1935. Pg.90 #3412 View of Nevada side of lower portals clean-up. Aug. 26, 1935. Pg.90 #3431 View taken from downstream Nevada Plug adit, looking toward No.2 downstream plug. Aug. 27, 1935.