Hoover Dam | Description, Facts, & Pictures | Britannica
File:Hoover Dam (7858631308).jpg - Wikimedia Commons
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File:Hoover dam.jpg - Wikimedia Commons
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File:Hoover Dam-USA.jpg - Wikimedia Commons
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File:Hoover Dam 08sept09 showing water elevation of Lake Mead.jpg - Wikimedia Commons
English: Intake towers of Hoover Dam in Lake Mead on the Arizona side.; 21 July 2007 (original upload date); Transferred from en.wikipedia to Commons by Liftarn using CommonsHelper.; Waycool27 at English Wikipedia
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File:Hoover Dam, Lake Mead.jpg - Wikimedia Commons
Why has the Hoover Dam hit an historically low water level? - BBC News - YouTube