Las Vegas, Nevada news broadcast revealing Hoover Dam as one of the Seven Wonders of the United States as named by civil engineers; Weathercaster Nathan Tannenbaum comments the Stratosphere Tower when completed will join this list. 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.