Chain Crosswords Short Geography Hard — Set 5

Hard 15×15 Set 5
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3
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9
10
Across
  1. 1. A word related to geography
  2. 3. A word related to geography
  3. 4. Large volcanic crater
  4. 5. A word related to geography
  5. 9. Treeless Arctic plain
  6. 10. Deep gorge carved by a river
Down
  1. 2. A word related to geography
  2. 6. Where a river meets the sea
  3. 7. Natural water source from ground
  4. 8. Deep depression in ocean floor