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.

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.80 #3335 Looking downstream, in the Nevada Valve House. June 24, 1935. Pg.80 #3331 Looking upstream, on the Nevada side of Black Canyon, toward Boulder Dam, showing the road tunnel portal. June 24, 1935. Pg.80 #3318 View taken from the Valve House catwalk, looking upstream toward the Power House. June 24, 1935.

Pg.87 #3403 Looking upstream toward Boulder Dam and the Power House, from lower portals road. Aug. 26, 1935. Pg.87 #3392 View taken from top of Boulder Dam, looking down on Power House, Valve House, and lower portals. Aug. 26, 1935.

Pg.91 #3457 Looking upstream toward Boulder Dam and Power House. Sept. 26, 1935 Pg.91 #3460 From top of Boulder Dam, looking down on Power House. Roof slab is practically completed, and canyon wall gutters are in place. Sept. 26, 1935

From the Maurine and Fred Wilson and Dr. William S. Park Photograph Albums (PH-00222) -- Album 12