USA HISTORY

Detailed explanation-1: -Hoover left office, the names “Boulder Canyon Dam” and “Boulder Dam” were frequently used when referring to the dam, allegedly because the new Secretary of the Interior did not like Mr. Hoover. However, the name of the dam was never officially changed from “Hoover."

Detailed explanation-2: -Hoover Dam is named for Mr. Herbert Hoover, the Nation’s 31st president. When construction of the dam was initiated, on September 30, 1930, Secretary of the Interior Ray Lyman Wilbur ordered that the dam to be built in the Black Canyon of the Colorado as part of the Boulder Canyon Project Act be called “Hoover Dam".

Detailed explanation-3: -Hoover Dam, formerly called Boulder Dam, dam in Black Canyon on the Colorado River, at the Arizona-Nevada border, U.S. Constructed between 1930 and 1936, it is the highest concrete arch dam in the United States.

Detailed explanation-4: -And in 1933, when Hoover left the White House and the Democrat Franklin Roosevelt moved in, the new administration declared that the proper name would be used exclusively. In the years that followed, whether one called the under-construction dam “Hoover” or “Boulder” was often an indication of political party.