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.
Black and white image of Hoover Dam's crest and intake towers as seen from the Nevada upstream side. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of Parker Dam on the Colorado River at the California-Arizona border, 155 miles downstream from Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.