Both Arizona and Nevada.
Hoover Dam.
Nevada.
no
It is in both Arizona and Nevada.
Hoover Dam. That answer is wrong. Hoover Dam is 1,244 ft long. The Grand Coulee Dam in Washington State, however, is significantly longer at 5,223 ft. It is America's longest dam.
There are six of them on the Colorado river. Glenn Canyon dam, Hoover dam, Davis dam, Parker dam, Palo Verde diversion dam and Imperial dam.
A nickname for the Hoover Dam is Boulder Dam.
on the arizona nevada boarder
colorado
With a great deal of difficulty......
Hoover