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Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort ...
- 1933
- Six Companies, Inc. (structural), Gordon Kaufmann (exteriors)
- $49 million (1931 budget), ($713 million in 2021 dollars)
Website. www.itaipu.gov.br. www.itaipu.gov.py. The Itaipu Dam ( Portuguese: Barragem de Itaipu [itɐjˈpu], Spanish: Represa de Itaipú [itajˈpu]) is a hydroelectric dam on the Paraná River located on the border between Brazil and Paraguay. It is the third largest hydroelectric dam in the world, and holds the 45th largest reservoir in the world.
- Brazil, Paraguay
- 7,919 m (25,981 ft)
- 196 m (643 ft)
