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資料更新日期 113-05-14 00:00
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)