lewis and Clark expedition

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Across
  1. 2. land bought from france
  2. 5. ridge separating river basins
  3. 9. mythical northern sea route
  4. 13. the exchange of goods
  5. 14. the only one to die during the expedition
Down
  1. 1. the official name of the group
  2. 3. a type of boat used on the expedition
  3. 4. major waterway explored
  4. 6. the winter encampment where the group stayed for a winter
  5. 7. a military term for a body of soldiers
  6. 8. detailed written accounts of the jouney
  7. 10. a journey with a purpose
  8. 11. plants and animals studied
  9. 12. Shoshone guide