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