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4th Grade Travel Books

workers dug 2 tunnels on each side of the river.

In all, more than 21,000 people from across the country worked on the ''Hoover Dam''.

It flows south west for about 1,400 miles.

The Dam would be 726 feet high its base would be 660 feet thick.

It generates hydroelectric power for 1.3 million people each year.

"Hoover Dam." <em>PebbleGo</em>, Capstone, 25 Apr. 2023, www.pebblego.com.

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