Black and white aerial image of several high scalers at work at the Hoover Dam construction site, specifically in the location for the Arizona-side intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
p.20 #1411 - p.20 #1412 These pictures together with two on opposite page, form panorama of operations being carried on at canyon rim, on Nevada side. Photo was taken from Arizona Spillway site. To the left is shown Black Canyon Highway. High level mixing plant will be located behind fill on the road. To the right is shown highway extension road to Nevada Spillway. Note shovel boom projecting at former site of Lookout Point. Aug. 12, 1932. p.20 #1451 Three hundred boxes of dynamite were used in spectacular blast which demolished Lookout Point. Picture taken from new Look Point, on Black Canyon Highway. Aug. 16, 1932. p.20 #1452 Blasting usually scheduled for 11:30 a.m., and billowing dust dislodged from canyon rim completely fills the canyon. Aug. 16, 1932.