Across
- 1. height of land above sea level
- 3. distance east or west of the Prime Meridian
- 7. place where a river or stream begins
- 9. rolling land at high elevation
- 11. deep and narrow valley with steep walls
- 12. wide waterway between two landmasses
- 15. large, thick body of slowly moving ice
- 16. land drained by a river and its branches
Down
- 2. line dividing northern and southern hemispheres
- 4. land connecting two larger land areas
- 5. land built from soil carried downstream by a river
- 6. branch of a river
- 8. gridlines running from North to South Poles
- 10. land surrounded on three sides by water
- 13. one the 4 bodies of water surrounding continents
- 14. changes in elevation over a given area of land