- Intermontane Plateaus
20. Columbia Plateau
- 20a. Walla Walla Plateau
- 20b. Blue Mountain section
- 20c. Payette section
- 20d. Snake River Plain
- 20e. Harney section
21. Colorado Plateaus
- 21a. High Plateaus of Utah
- 21b. Uinta Basin
- 21c. Canyon Lands
- 21d. Navajo section
- 21e. Grand Canyon section
- 21f. Datil section
22. Basin and Range province
- 22a. Great Basin section
- 22b. Sonoran Desert
- 22c. Salton Trough
- 22d. Mexican Highland
- 22e. Sacramento section
Read more about this topic: United States Physiographic Region
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