v. 1. The Northwest region -- v. 2. The North Central region -- v. 3. The Great Lakes region -- v. 4. The Northeast region -- v. 5. The East Central region -- v.6. The Southeast region -- v. 7. The South Central region -- v. 8. The Southern Rocky Mountain region -- v. 9. The Southwest region -- v. 10. Alaska -- v. 11. Hawaii and U.S. Pacific Trust Territories -- v.12. Puerto Rico and U.S. Virgin Islands