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Boulder dam, between Arizona and Nevada
The Hoover Dam had to be carved out of nature itself

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The Hoover Dam Produces Electricity
October 9, 1936

Have you ever had a school project that took a long time to finish? The Hoover Dam took almost five years to build. It stands 726 feet tall and is 660 feet thick at its base. Many dams are built to control flooding, but the Hoover Dam is hydroelectric. (“Hydroelectric” means using water to produce electricity.)

The Hoover Dam uses the water in the Colorado River to produce electricity. On October 9, 1936, this huge project began to generate electricity for people in Nevada, Arizona, and California.

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