Across
- 2. mountain that used to be named Mount McKinley
- 4. Five lakes between U.S. and Canada
- 6. most mountains in the Cascades are dormant
- 8. a river that is a tributary to the Mississippi
- 9. smaller river that flows into a larger river
Down
- 1. Volcanoes formed this island millions years ago
- 3. Main mountain range in the east
- 5. America's largest and most important river
- 7. large mountains located in the west region
