National parks GRGRGR

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Across
  1. 3. tallest tree on earth
  2. 4. animals in a area
  3. 6. most popular park
  4. 8. wants to conserve
  5. 9. pinkish red sandstone
  6. 10. has contour lines
Down
  1. 1. large canyon
  2. 2. lots of geysers
  3. 5. not touched by humans
  4. 7. plants in a area