Hoover Dam: Moving the Concrete
Clip: Season 11 | 2m 59s
On June 6, 1933, workers began pouring concrete to build what would become the face of the dam. To move the concrete across the construction site, Chief Engineer Frank Crowe designed a network of cableways to carry material. Pretty soon, a cable would deliver a 20-ton bucket of concrete every 78 seconds!
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On June 6, 1933, workers poured the first bucket of concrete that would build the dam.
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