mountains

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Across
  1. 2. 12388
  2. 4. Sierra Nevada mountains origin
  3. 6. 14505
  4. 8. 19341
  5. 11. Appalachian Mountains origin
  6. 13. 12280
Down
  1. 1. 14409
  2. 2. 5725
  3. 3. fault block mountain range in Nevada
  4. 5. volcanic mountain range that is part of the ring of fire
  5. 7. 11250
  6. 8. 29029
  7. 9. 20322
  8. 10. fold mountain range in west virginia
  9. 12. Cascade mountain range