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                The Hoover Dam is a must see when visiting Nevada

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The largest dam in the world at its completion.

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                                Hoover Dam

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                                Hoover Dam

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In the early 20th century, the U.S. Bureau of Reclamation devised plans for a massive dam on the Arizona-Nevada border to tame the Colorado River and provide water and hydroelectric power for the developing Southwest.

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In the beginning the was to be called the Boulder Canyon Dam Project. On September 17, 1930, at a ceremony in Nevada to mark the start of construction on a railroad line to the dam site, U.S. Secretary of the interior Ray Lyman Wilbur announced the dam would be named for his boss, President Herbert Hoover, who had been inaugurated in 1929. In 1933, Hoover was succeeded in the White House by Franklin Roosevelt, and the new secretary of the interior Harold Ickes, declared the structured be once again called Boulder Dam. Finally, in April 1947, President Harry Truman approved a congressional resolution that officially confirmed the dam would carry Hoover's name.

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Building the dam was too expensive for one company to tackle alone during the Great Depression, so a group of construction firms banded banded together and, using the name Six Companies, submitted a winning bid of $48.8 million for the project (at the time. it was the largest contract awarded by the federal government. A total of 21,--- men worked on the dam; an average of 3,500 each day. with the daily figure peaking at more than 5,200 in June 1934.The contractors were suppose to give preference to veterans of the Spanish-American War and World War 1. Six Companies was contractually prohibited from hiring "Mongolian," or Chinese workers, and while government official's pledged to help ensure that African Americans be employed on the project, the actual amount of black workers hired proved miniscule.

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                      An overview of Boulder City, Nevada

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In the 1930s, Boulder City, Nevada, was constructed to house 5,000 dam project workers. Before the city was built, many jobless men and their families who'd converged on the dam site, hoping to find employment in the midst of the Great Depression, had lived in squatters' settlement. Boulder City was situated on federally owned land and had no elected officials. The city was run by an employee of the U.S. Bureau of Reclamation (the agency responsible for the dam project), who had the authority to evict residents as he saw fit. After nearly 30 years, the federal government relinquished control of Boulder City, which was incorporated in 1960.

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            Safe guarding Hoover Dam during World War II

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DURING THE WORLD WAR II, THE DAM WAS A TARGET OF A GERMAN BOMB PLOT

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DURING THE WORLD WAR II, THE DAM WAS A TARGET OF A GERMAN BOMB PLOT

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In November 1939, with World War II underway, U.S. officials found out about an alleged plot by German agents to bomb Hoover Dam, by planting bombs at the intake towers to sabotage the power supply to Southern California's aviation manufacturing. Private boats were prohibited in the Black Canyon,  stricter regulations for dam employees and visitors were enacted and a variety of other security measures such as physical barriers and increased lighting were put in place. Following the attack on Pearl Harbor in December 1941, the dam was closed to visitors for the rest of the war.

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                    Mike O'Callaghan-Pat Tillman Memorial Bridge

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AMERICA'S SECOND-HIGHEST BRIDGE NOW REROUTES TRAFFIC FROM THE TOP OF THE DAM

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AMERICA'S SECOND-HIGHEST BRIDGE NOW REROUTES TRAFFIC FROM THE TOP OF THE DAM

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Since the 1930's, U.S. Route 93 ran right along the top of the dam; however, the two-lane highway was hazardous and had grown increasingly congested over the years. In an effort to remedy these problems, construction began on a dam bypass bridge in 2005. Completed five years later, the Mike O'Callaghan-Pat Tillman Memorial Bridge measures 1,905 feet long and soars nearly 900 above the Colorado River, making it the longest single-span concrete arch bridge in America.

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                               Reference:

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                               Reference:

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History Stories. (2018, September 1). 7 things you might not know about the Hoover Dam. History
https://www.history.com/news/new-deal-infrastructure-projects-fdr