"3118 Looking down on top of Boulder Dam. Note the bucket pouring the roadway on ""R"" block at Elev. 1232.
February 25th, 1935.
3141 A view of Boulder Dam Lake and reservoir area from Observation Point. March 4th, 1935.
3126 Telephoto view of the Arizona Valve House, from the Nevada side. February 25th, 1935.
3127 Telephoto view of the Nevada Valve House, from the Arizona side. February 25th, 1935."