Across
- 3. 280 mile wide canyon
- 6. Deep narrow Valley with steep sides
- 9. River that flows into larger river
- 10. low land that lies along the Ocean.
- 11. Mountain range that starts in Mexico and goes to Alaska.
- 13. large flat area of land
- 14. river that starts in Minnesota and ends in New Orleans
- 16. is the highest peak in the United States.
Down
- 1. Largest group of Freshwater lakes in world
- 2. Borders West Coast
- 4. borders East Coast
- 5. features earth surface
- 7. oldest mountains in North America. Plateau/ high flat area of land.
- 8. some of the driest and lowest land in the United States.
- 12. level with ocean
- 15. Start of a river