To combat this challenge, the Hoover Dam was built not as a monolith but in a series of individual trapezoidal columns, allowing heat to dissipate more effectively. The concrete also included a ...

Sitting about 35 miles southeast of Las Vegas, the Hoover Dam spans the Colorado River and the Black Canyon (which separates Nevada and Arizona). The immense concrete structure – which confines ...

Rising more than 700 feet above the raging waters of the Colorado River, Hoover Dam was called one of the greatest engineering works in history. 5,000 working men and their families came to live ...

People came from across the country to witness the construction of Hoover Dam. One worker's daughter compared the scene to a hill of ants. "It was just fantastic to watch... It was a monument task ...