L-R: Brothers Eli, John, George and Frank Edwards harvest blocks of ice in Nevada (probably in Panaca) with saws and tongs. George Edwards was the father of Elbert Edwards.
Black and white image showing the beginning of a 5000-hole dynamite blast in Black Canyon at the site of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing a river-level view of canyon blasting in Black Canyon at the site of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of two men standing in front of penstock tunnel piping at the site of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing Hoover Dam's downstream face during the concrete pouring process. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of equipment being lowered into Hoover Dam. People are watching from the lookout point on the Nevada side of the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.