An aerial image of a box of equipment being lowered into Black Canyon for Hoover (Boulder) Dam construction.

An aerial image of a box of equipment being lowered into Black Canyon for Hoover (Boulder) Dam construction.

The building of a new construction crane for Stratosphere Tower after the previous crane had been damaged in a construction fire; camera zooms in and out on the crane, construction equipment, and construction workers Original media VHS, color, aspect ratio 4 x 3, frame size 720 x 486. From the Bob Stupak Professional Papers (MS-01016) -- Professional papers -- Audiovisual material -- Digitized audiovisual clips file.