American Experience

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!

Aired: 01/18/99

Rating: NR

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