No Summit Out of Sight

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Across
  1. 3. not enough oxygen in the blood
  2. 6. the highest mountains in the world
  3. 8. spikes worn on the bottom of boots
  4. 12. a small canoe consisting of a light frame
  5. 14. a mosquito-transmitted viral disease
  6. 15. a schedule to follow for a diet or exercise
  7. 18. any prop or support
  8. 19. one of the hollow cavities in the skull
  9. 20. the highest part of a hill or mountain range
Down
  1. 1. wasteland overgrown with shrubs
  2. 2. height of land above sea level
  3. 4. a disease caused by mosquitoes
  4. 5. a member of a group of people who have no fixed home
  5. 7. to fascinate or hypnotize
  6. 9. a steep mass of debris on the side of a mountain
  7. 10. to rebel or go against
  8. 11. a person who carries luggage and supplies
  9. 13. a natural stream of running water
  10. 16. one who travels among or climb mountains
  11. 17. highest mountain in the world