Fact #3480 in "Other" Category
#3480 - Other Fact     8  The Hoover Dam was built to last 2,000 years. The concrete in it will not even be fully cured for another 500 years. |
Copyright © 2006-2011 Los Angeles Website Development
Fact #3480 in "Other" Category
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Copyright © 2006-2011 Los Angeles Website Development |