because it has never failed and it provieds
Hoover Dam was originally known as "Boulder 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.
It was called Boulder Dam.
Hoover Dam is on the Colorado River. The water backed up behind the dam is called Lake Mead.
Boulder Dam.
The river that feeds into Hoover Dam is the Colorado river.
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The Hoover Dam is located on the Colorodo River. It is the largest dam in the whole U.S. of A.
Colorado River.
Hoover Dam was built on the Colorado River.
Boulder Dam is now called Hoover Dam. It is located on the Colorado River between Arizona and Nevada.
Herbert Hoover - Boulder Dam in the Black Canyon on the Colorado River was renamed to Hoover Dam in his honor.