1. Southwest (3) 2. New Mexico (2) 3. California (1) 4. Arizona (1) 5. Nevada (1) 6. New York (1) 7. Rio Grande (1) | Arizona California Nevada New Mexico New York Rio Grande Southwest   |
1. Southwest (3) 2. New Mexico (2) 3. California (1) 4. Arizona (1) 5. Nevada (1) 6. New York (1) 7. Rio Grande (1) | Arizona California Nevada New Mexico New York Rio Grande Southwest   |