Mountains

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Across
  1. 1. Not low land
  2. 3. Highest point of a mountain
  3. 5. Rock formation
  4. 7. The mountain with the highest summit in the world
  5. 8. Relates to structures
  6. 9. A steep edge
Down
  1. 2. Height
  2. 4. Gigantic, rocky, hill
  3. 6. Study of rocks