"3136 Close-up of the Arizona Intake Towers-No. 6 on left, No. 3 on right. Note the forms for the dome of Intake Tower No. 6. March 4th, 1935.
3120 Looking downstream from the Arizona side, showing Boulder Dam, the Intake Towers and general layout. Note the dome formed on one of the Intake Towers. February 25th, 1935.
3133 View from the Arizona Spillway bridge, looking downstream into No. 4 Raise, showing general construction
methods. February 25th, 1935.
3139 The run-around excavated in the old top heading adit, to facilitate handling concrete for No. 4 Plug.
March 4th, 1935."