National parks

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Across
  1. 2. home to one of the largest wetlands in the world
  2. 4. a national park in southern Utah
  3. 6. a sprawling reserve is southern Utah
  4. 7. the first national park
Down
  1. 1. one of the most famous national parks and home to "old Faithful"
  2. 3. one of the largest canyons in the U.S.
  3. 5. located in Montana's Rocky Mountains