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Boulder Dam

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noun
  1. a dam on the Colorado River, on the boundary between SE Nevada and NW Arizona. 726 feet (221 meters) high; 1244 feet (379 meters) long.
Official name Hoover Dam.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for boulder dam

Boulder Dam

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