Across
- 2. ocean on the west coast
- 4. more than a mile deep US canyon
- 6. US plains west of the mississippi
- 8. connects great lakes to the atlantic
- 10. one of the longest rivers in the US and stratches North to South
- 12. natural boundary in East US
- 13. US state formed by underwater magma
- 14. western canadian mountains
- 15. word for a canadian state
Down
- 1. bay in northeastern canada
- 3. high ridge that determines water flow
- 5. waterfalls on the US/canada border
- 7. __ mountains: western range
- 9. __ mountains: eastern range
- 11. biggest of the great lakes