1. appalachian mountains
2. atlantic ocean
3. gulf of mexico
4. mississippi river
5. great lakes
6. great slave lake
7. goose bay
8. baffin bay
9. greenland
10. artic ocean
11. beaufort sea
12. bering strait
13. rocky mountains
14. gulf of alaska
15. pacific ocean
16. baffin island
17. islands of hawaii
