Across
- 7. A hoped-for water route through North America to Asia
- 9. A large wooden home used by Coastal tribes
- 10. Hard to find or capture
- 13. Most common or widespread
- 14. A fence-like structure built in rivers to catch fish
- 16. Making a lot of money
- 18. Secondary or less important
- 19. The physical features of land, including mountains and rivers
- 20. A wetland plant used to make mats, baskets, and shelters
- 21. The body’s ability to resist disease
Down
- 1. A boundary that separates river systems
- 2. The seasonal movement of people from one place to another
- 3. A ceremonial feast where gifts were given to show wealth and status
- 4. An unwanted invasion or interference
- 5. A narrow waterway connecting two larger bodies of water
- 6. A tall rock column
- 8. A widespread outbreak of disease
- 10. Covering a large area
- 11. Items taken by the winner after a battle
- 12. A plant with edible roots that was an important food source for Native Americans
- 15. To trade goods without using money
- 17. The complete disappearance of a species
