Q6. Who was the President of the United States when the construction of Hoover Dam began?Calvin CoolidgeFranklin D. RooseveltHarry S. TrumanHerbert Hoover
Q10. What is the name of the reservoir created by Hoover Dam?Lake TahoeLake MeadLake HavasuLake Powell
Q11. What was the estimated cost of building Hoover Dam?$300 million$400 million$100 million$500 million
Q12. How many concrete blocks were used in the construction of Hoover Dam?3 million4 million2 million1 million
Q13. Which Native American tribe's land was flooded as a result of Hoover Dam's construction?Navajo NationHopi TribeMojave TribeHualapai Tribe
Q14. What is the purpose of the bypass bridge located near Hoover Dam?To support additional power generationTo mitigate earthquake risksTo provide an alternate route for road trafficTo accommodate increased pedestrian traffic
Q15. What major U.S. city receives a significant portion of its electricity from Hoover Dam?Los AngelesLas VegasPhoenixDenver
