Across
- 1. Dog
- 6. Clarks slave
- 8. people that move
- 9. 2nd lieutenant
- 13. 1million squaremiles
- 14. Appendicitis
- 15. Sacagawea's brother
- 16. 29
- 17. east
- 18. largest boat in the expedition
Down
- 2. main river
- 3. President of United States
- 4. boat
- 5. traditional shoes
- 7. Lehmi Shoshone woman who guided the expedition
- 10. French trapper and trader
- 11. Child of Shoshone woman and French man
- 12. Of discovery whale