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  2. Yellowstone National Park (U.S. National Park Service)

    Area2,219,791 acres (8,983.18 km²)
    EstablishedMarch 1, 1872
    Yellowstone National Park is a national park of the United States located in the northwest corner of Wyoming and extending into Montana an…
    Yellowstone National Park is a national park of the United States located in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress through the Yellowstone National Park Protection Act and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone …
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