Pg.93 #3467 Looking downstream from Nevada side, showing Boulder Dam, Spillways, Intake Towers, etc. Note general clean-up and road work; also, Intake Tower lanterns in place. Sept. 27, 1935. Pg.93 #3471 Looking upstream toward Nevada Spillway Drainage Flume, and general area. Sept. 27, 1935. Pg.93 #3464 Looking downstream toward Arizona Spillway. Note general road work, curbs in place and guard rails being installed. Sept. 26, 1935. Pg.93 #3465 From Arizona Spillway Gate House, looking upstream. Note float well supply line finished and construction on upstream abutment wall. Sept. 9, 1935

Mule on road to where power substation was being built, Hoover (Boulder) Dam. Note: "It took all day to get from boat launch to power substation. Took your lunch and a canteen. This spot is beside Hemenway Wash. - W. A. Davis, 1992."

An image showing aerial view of Hoover Dam. Parts of the plane from which the image was taken are visible. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Black and white image of men at work at the Hoover (Boulder) Dam construction site.

An image showing the beginning of construction on the frame for the Hoover (Boulder) Dam diversion tunnel.

An image showing a downstream aerial view of the Hoover (Boulder) Dam construction site.

Construction at Hoover Dam near Boulder City, Nevada, 1931.