An image of Boulder City Rotary Club members sitting at a table at a luncheon held near Boulder Dam (officially renamed Hoover Dam in 1947).

An image of an unidentified man setting up equipment for work on the construction of the Hoover Dam.

Black and white photograph of penstock pipe section during Hoover Dam construction at Black Canyon.

An image of two small children looking up at the Winged Figures of the Republic sculptures at the Hoover Dam on the day of the dam's dedication. Artist Oskar J. Hansen created the bronze sculptures.

An image of unidentified men in a boat on Lake Mead during the Boulder Dam decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

A shot of an unidentified man in a suit lying against a tree, presumed to be somewhere near Hoover Dam; the man is possibly a member of the Boulder City Rotary Club.

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.