Grand Coulee Dam
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Grand Coulee Dam

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Grand Coulee Dam is a hydroelectric gravity dam on the Columbia River in the U.S. state of Washington. It is the largest electric power-producing facility and the largest concrete structure in the United States. It is the fifth largest producer of hydroelectricity in the world, as of the year 2008. The reservoir is called Franklin Delano Roosevelt Lake, named after the United States President who presided over the completion of the dam. The foundation was built by the...