Across
- 5. obvious fate to move westward
- 8. fur traders in and west of the Rocky Mountains
- 9. a Shoshone who helped the Lewis and Clark expedition
- 10. an area that is undeveloped
Down
- 1. led an expedition to the Rocky Mountains in 1842
- 2. towns that serviced new mines and emptied when the mines closed
- 3. railroad across United States
- 4. a route for western settlers in the Pacific Northwest
- 6. mail delivery system via horseback
- 7. the Original frontiersmen that found the Cumberland Gap
