Across
- 3. Smaller river that flows into a larger one
- 6. The path water flows through
- 7. Using resources without harming the future
- 8. Legal rights to land
- 12. Area drained by a river system
- 14. Where a river begins
- 15. Family origins over generations
- 18. Customs passed through generations
- 19. Knowledge passed by speaking, not writing
- 20. Shared beliefs and practices of a group
Down
- 1. Material carried and deposited by water
- 2. Ceremonial action
- 4. End of a river
- 5. The path a river follows
- 9. Land occupied by a group
- 10. Movement of water in a river
- 11. A curve in a river
- 13. Side of a river
- 16. Social group with shared identity
- 17. Way a group understands the universe
