How the 726-Foot-Tall Hoover Dam Was Built Ahead of Schedule

Описание к видео How the 726-Foot-Tall Hoover Dam Was Built Ahead of Schedule

The world's biggest dam at the time of its construction, Hoover Dam solved the problem of the overflowing Colorado river with sleek design and brilliant American engineering.

From the Series: Aerial America: Nevada http://bit.ly/2xQk7KY

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