Conveyor belt stretching over hills and valleys takes stones to Shaster Dam construction site.
Title reads: "World's largest conveyor".
California, United States of America (USA).
Various L/Ss of a mountain (Mount Shaster). Various shots of an enormously long conveyor belt travelling over hills, valleys and roads. The conveyor belt carries stones to the site of the Shaster Dam that is under construction. Various L/Ss of the dam building site. Aerial shots of dam.