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The Hoover Dam is the most visited in the world, but it is far more than just a tourist attraction and remains vital to the surrounding region.
A New Panorama at the Hoover Dam - The New York Times
The Greatest Dam in the World: Building Hoover Dam (Teaching with
Hoover Dam Description, Location, Constructino, Facts, History
Arizona
13 Powerful Facts You Didn't Know About Hoover Dam
Where is the Hoover Dam and how was it built? – The Irish Sun
Strefa PMI - Hoover Dam – the Greatest Project in Times of the
The Greatest Dam in the World: Building Hoover Dam (Teaching with
How the 726-Foot-Tall Hoover Dam Was Built Ahead of Schedule