Pg.76 #3269 Boulder Dam, looking downstream from the Arizona side. May 27, 1935. Pg.76 #3284 Looking in a general downstream direction, on the Arizona Black Canyon Highway, showing Six Companies Inc. road work. May 27, 1935. Pg.76 #3296 Boulder Dam, looking downstream from the Nevada side, showing Spillways and the Intake Towers. June 1, 1935. Pg.76 #3303 View of the open cut portion of the Switchyard Control Circuit Tunnel. Shovel is excavating for the Switchyard, and the building in the foreground is the power sub-station. The Babcock and Wilcox Company plant can be seen in the extreme background. June 1, 1935.

Caption at bottom right hand corner of image reads: "Upstream face of Boulder Dam showing intake towers and Arizona observation point." Boulder Dam was officially re-named Hoover Dam in 1947.

The view of the white Boulder Dam Hotel in Boulder City, Nevada. The hotel is located at 1305 Arizona Street on what was originally known as the Cardenas Plaza. Transcribed onto the roof of the hotel: "Boulder Dam Hotel."

The view of the white Boulder Dam Hotel in Boulder City, Nevada. The hotel is located at 1305 Arizona Street on what was originally known as the Cardenas Plaza. Transcribed onto the roof of the hotel: "Boulder Dam Hotel."