Black and white image of an aerial view looking upstream through the Nevada spillway. At the left are two panels of the overflow weir under construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the downstream face of Hoover Dam and its power plant at night, as seen from the lower portal road at the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon. Automobiles are visible in an observation area, and some of the electric transmission towers are visible in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon. The dam's power plant, outlet works and diversion tunnel portals are visible in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of automobiles on the road in front of the Winged Figures of the Republic statues at Hoover Dam. The tops of two intake towers are visible behind the road. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of a man standing atop a wooden platform as he presents a speech for the unveiling of the memorial plaque at Boulder Dam. Positioned behind the man are seated spectators of the event, as well as the curtain-covered memorial plaque.
Note: Cover has illustration showing height of "proposed Boulder Canyon Dam" in Black Canyon on the Colorado River, as compared to the Woolworth Building in New York City. Back cover has "Some Interesting Facts About Las Vegas, Nevada," including information about the proposed Boulder Dam, and which states that the Las Vegas Chamber of Commerce is "just a few doors north of this cafe." Restaurant: The Overland Location: Fremont St., Las Vegas, Nevada, United States
Black and white image of excavation activities at the bed of Hoover Dam. High scalers can be seen displaying their clinging skills on the walls of the Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing dynamite blasts being fired simultaneously for the locations of the Arizona (left) and Nevada (right) intake towers at Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Look-out point at Boulder Dam, now called Hoover Dam, where hundreds of visitors daily view the spectacular panorama of construction spread out before them. Site Name: Hoover Dam (dam)