15

123456789101112131415161718192021222324252627282930
Across
  1. 3. Large slow-moving ice
  2. 5. Coastal water inlets
  3. 8. Large natural depression
  4. 11. Small flowing waterway
  5. 15. Oceanic ground surface
  6. 17. Erupting hot springs
  7. 19. Narrow land bridge
  8. 20. Earth's vast water body
  9. 22. Land surrounded by water
  10. 23. Gently rounded landforms
  11. 26. Fertile spot in desert
  12. 28. Narrow deep valleys
  13. 29. Sheltered port area
  14. 30. Arid lands with little rain
Down
  1. 1. Stone piles for marking
  2. 2. Top of a ridge
  3. 4. Flat expansive lands
  4. 6. Multiple mountain tops
  5. 7. Arid expansive region
  6. 9. Topmost mountain point
  7. 10. Coral or rock ridges
  8. 12. Dense wooded ecosystem
  9. 13. Deep oceanic depression
  10. 14. River sediment deposits
  11. 16. Base land of mountain
  12. 18. Natural flowing streams
  13. 21. Deep river-carved valleys
  14. 24. Dry riverbed
  15. 25. Connected mountain group
  16. 27. Coastal shallow waters