"2437 Upper Portals of the Diversion Tunnels. The dyke being built is at Elevation 690, which is the elevation of the top of the
Tunnels. November 30th, 1933.
2444 Himix Plant. Note the new type of 8 cu. yd. bucket on the car, and the two additional 4 cu. yd. mixers being installed.
December 1st, 1933.
2438 Close-up of Boulder Dam. The top blocks arc at Elevation 715. November 30th, 1933.
2446 Arizona Intake Towers. The head tower for No. 10 Cableway is erected and the 180 ft. boom derrick is nearly complete."