Around 10 Years.... The concrete used in this could build a highway fromLosAngeles to New York
The Grand Coulee dam was built from 1933 to 1975.(Thats 42 years!!!)
$63 Million in 1933 dollars.
Fifteen years
It takes tree years of hard work
1930
It takes approximately three years of hard work.
Chuck Norris
Hoover dam's width is 201.17 meters.
The Hoover dam weighs 6,600,000 tons. It took 3,250,000 cubic yards of concrete to build the dam itself
The United States.
Trees
Hoover Dam is 1244 ft (379 m) long.
A total of 3,250,000 cubic yards.
black canyon on the Colorado river
To provide the western states with irrigation and electricity-