Hoover Dam is a concrete gravity-arch dam in the Black Canyon of the Colorado River, on the border between Arizona and Nevada. The dam, located 48 kilometres (30 miles) southeast of Las Vegas, is named after Herbert Hoover, who played an instrumental role in its construction, first as Secretary of Commerce and then later as President of the United States. Hoover Dam was built by Six Companies, Inc., under Frank Crowe. Construction began in 1931 and was completed in 1936, over two years ahead of schedule.
- Construction period: April 20, 1931 - March 1, 1936
- Construction cost: $165 million
- Dam Height: 726.4 ft (221.4 m), 2nd highest dam in the United States.
- Dam Thickness: 660 ft (200 m) at its base; 45 ft (15 m) thick at its crest.
- Concrete: 4.36 million yd³ (3.33 million m³)
- Traffic across the dam: 13,000 to 16,000 people each day, according to the Federal Highway Administration
- Lake Mead surface area: 247 square miles (640 km²), backing up 110 miles (177 km) behind the dam.
- Lake Mead water volume: approximately 46,000,000,000 yd³ (35.2 km³), or 28.5 million acre-feet.
- With 8 to 10 million visitors each year, including visitors to Hoover Dam but not all traffic across the dam, the Lake Mead National Recreation Area is the 5th busiest U.S. national park.
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Official website
My grandfather performed design work on the switchgears for the electricity generators in this dam.
Posted by: 70's Man | July 21, 2005 at 09:34 PM
Damn that's cool.
Posted by: Bruce | July 22, 2005 at 07:06 AM
I like your site alot :)
Posted by: Smart Guy | November 08, 2005 at 09:52 AM
It's useful for a project. :)
Posted by: Smart Guy | November 08, 2005 at 09:53 AM
How would I make a sitation for your
Site?
Posted by: Smart Guy | November 08, 2005 at 03:28 PM
Smart Guy, send me a email ([email protected])with more information. Thanks, Bruce
Posted by: Bruce | November 08, 2005 at 03:38 PM