Hoover Dam Facts and Challenges

The Hoover Dam, a marvel of engineering, played a crucial role in the development of the American Southwest by providing power and water. Constructed between 1930 and 1935, it required the efforts of 21,000 laborers. The dam generates 4 billion kilowatt hours of power annually, serving Nevada, Arizona, and California. Lake Mead, the reservoir formed by the dam, is the largest in the U.S. The dam's construction spurred the growth of Las Vegas and other major cities.

What is the Hoover Dam recognized as in the United States?

• A wildlife sanctuary

• A modern art museum

• A national park

• A national historic landmark

What was the main challenge faced by developers in the late 19th century in the American Southwest?

• Lack of skilled labor

• Parched landscape

• Frequent earthquakes

• Political instability

Who authorized the construction of the Hoover Dam?

• Franklin D. Roosevelt

• Calvin Coolidge

• Woodrow Wilson

• Herbert Hoover

What was the primary reason for the population spike in Las Vegas during the Hoover Dam's construction?

• Newly built casinos

• Job opportunities at the dam

• Tourism boom

• Discovery of gold

How many laborers were involved in the construction of the Hoover Dam?

• 15,000

• 5,000

• 21,000

• 10,000

How much concrete was used in the construction of the Hoover Dam?

• 12 million tons

• 9.9 million tons

• 6.6 million tons

• 3.3 million tons

How many turbines power the Hoover Dam?

• 15

• 20

• 17

• 10

What is the average annual hydroelectric power generation of the Hoover Dam?

• 2 billion kilowatt hours

• 3 billion kilowatt hours

• 5 billion kilowatt hours

• 4 billion kilowatt hours

What is the name of the reservoir formed by the Hoover Dam?

• Lake Havasu

• Lake Tahoe

• Lake Mead

• Lake Powell

Which cities were significantly developed due to the Hoover Dam?

• San Francisco and Seattle

• Las Vegas and Phoenix

• Houston and Dallas

• Denver and Salt Lake City