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The magnificent Hoover Dam, built 80 years ago, still stands strong and serves the United States in the areas of irrigation, flood control, and energy production. Even during a torrential rainstorm, you won’t see the Hoover Dam wreaking havoc by overflowing its banks. Welcome to the engineering secrets of the Hoover Dam. In this video, you will take on the role of Hoover Dam project engineer Mr. John Savage and design and build a gigantic dam on the Colorado River in Arizona.