I don't mean to insult your English, I really hope it isn't your primary language, but this question is completely nonsensical. I have no idea what you're asking. How long does it take to drive there or what? I don't know, try re-posting and have someone proof-read first.
The driving distance from Flagstaff, Arizona to Hoover Dam is 222 miles.
37 miles
10.4 miles
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.
Hoover
hoover dam =D
In the hoover dam.
Hoover dam opened in 1920
Hoover Dam was built by people.
Hoover Dam was originally called Boulder Dam.
Herbert Hoover - Boulder Dam in the Black Canyon on the Colorado River was renamed to Hoover Dam in his honor.