Which of the following was the first official national park in the United States?
Answer Yellowstone National Park
President Ulysses S. Grant signed Yellowstone National Park into law on March 1, 1872. It was the first official national park in the United States and is known for its stunning wildlife and geothermal features.
Asked by Beth Meberg · Last updated 5 years ago · 396.7K views · SOURCE
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