Crossword puzzle

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Across
  1. 2. In which State is he Yellowstone national park?
  2. 5. The Zion national park, the Bryce Canyon and the Grand Canyon are part of the _____ _________?
  3. 7. Which Geyser in the Yellowstone national park is very famous and throws 32.000 liter water in 60-90 intervals?
  4. 8. Which is the most cisited National Park in the USA
  5. 9. Which formation is the youngest in the Zion national park?
  6. 10. What is the name of the green lakes in the half caves in the Zion national park?
  7. 11. In the Yellowstone national park are many geysers, because the whole park is a _______?
Down
  1. 1. Who established the Yellowstone National park?
  2. 3. What is the rock in the Bryce Canyon made of?
  3. 4. In which state is the Bryce Canyon
  4. 6. Which national park is the first from all over?