RIVER KEY:

1. Gila River

2. Hassayampa River

3. Agua Fria River

4. Verde River

5. Salt River

6. White River

7. Black River

8. San Pedro River

9. Santa Cruz River

10. San Francisco River

11. Blue River

12. Mimbres River

13. Colorado River

14. Virgin River

15. Little Colorado River

16. Zuni River

17. Escalante River

18. Gunnison River

19. Dolores River

20. San Juan River

21. Chaco River

22. Arkansas River

23. Purgatoire River

24. Canadian River

25. Rio Grande

26. Rio Puerco

27. Pecos River

28. Rio Casas Grandes