Alexander Dilger

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Across
  1. 2. mountain like hill
  2. 4. of the crust that form it
  3. 5. rock
  4. 6. area of low land in between two mountains
  5. 8. movement of sediment
  6. 9. flat land
  7. 10. large, tall rocky area
Down
  1. 1. thickest layer
  2. 3. down something
  3. 7. rocky outer layer