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Boulder Dam

American  
[bohl-der dam] / ˈboʊl dər ˈdæm /

noun

  1. a dam on the Colorado River, on the boundary between southeastern Nevada and northwestern Arizona. 726 feet (221 meters) high; 1,244 feet (379 meters) long.


Boulder Dam British  

noun

  1. the former name (1933–47) of Hoover Dam

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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On this date in 1935, the 3-million-pound gate at Boulder Dam was closed and Lake Mead began to fill.

From Washington Times • Jan. 22, 2020

On this date in 1935, the Governors of Arizona and Utah met at Boulder City to unveil a memorial plaque dedicated to the 89 men killed during construction of Boulder Dam.

From Washington Times • May 23, 2018

The Hoover Dam, also known then as Boulder Dam, was built at the border between Arizona and Nevada, plugging the flow of the mighty Colorado River and forming Lake Mead.

From New York Times • Oct. 13, 2016

He had built highways, helped build Boulder Dam, and had learned, in his own phrase, to handle "the heavy materials."

From Time Magazine Archive

The only conclusion the lunchers could draw was that Nominee Hoover, in conference with Senator Johnson last fortnight, must have agreed to be on the Federal-operation side of the Boulder Dam question.

From Time Magazine Archive