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Grand Canyon National Park

Grand Canyon National Park, U.S. park covering 1,218,375 acres (493,059 hectares) in Arizona, established in 1919 and expanded in 1975. The park receives about 2 million visitors annually. Some 300 species of birds and 120 other kinds of animals inhabit it. Some 300 Havasupai Native Americans live on a reservation just outside the park.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Ghibellines to Grand Prix