United States Physiographic Region

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These eight regions are:

Canadian Shield (area labeled 1)

Atlantic Plain (2 and 3)

Appalachian Highlands (4-10)

Interior Plains (11-13)

Interior Highlands (14 and 15)

Rocky Mountain System (16-19)

Intermontane Plateaus (20-22)

Pacific Mountain System (23-25)

See Physical Geography Of The U.S. for descriptions.

__NOTOC__

CANADIAN SHIELD

1. Superior Upland

ATLANTIC PLAIN

2. Continental Shelf (not on map)

3. Coastal Plain
:3a. Embayed section
:3b. Sea Island section
:3c. Floridian section
:3d. East Gulf Coastal Plain
:3e. Mississippi Alluvial Plain
:3f. West Gulf Coastal Plain

APPALACHIAN HIGHLANDS

4. Piedmont province
:4a. Piedmont Upland
:4b. Piedmont Lowlands

5. Blue Ridge province
:5a. Northern section
:5b. Southern section

6. Valley And Ridge province
:6a. Tennessee section
:6b. Middle section
:6c. Hudson Valley

7. St. Lawrence Valley
:7a. Champlain section
:7b. Northern section (not on map)

8. Appalachian Plateaus province
:8a. Mohawk section
:8b. Catskill section
:8c. Southern New York section
:8d. Allegheny Plateau section
:8e. Kanawha section
:8f. Cumberland Plateau section
:8g. Cumberland Mountain section

9. New England Province
:9a. Seaboard Lowland section
:9b. New England Upland section
:9c. White Mountain section
:9d. Green Mountain section
:9e. Taconic section

10. Adirondack province

INTERIOR PLAINS

11. Interior Low Plateaus
:11a. Highland Rim section
:11b. Lexington Plain
:11c. Nashville Basin

12. Central Lowland
:12a. Eastern Lake section
:12b. Western Lake section
:12c. Wisconsin Driftless section
:12d. Till Plains
:12e. Dissected Till Plains
:12f. Osage Plains

13. Great Plains
:13a. Missouri Plateau, glaciated
:13b. Missouri Plateau, unglaciated
:13c. Black Hills
:13d. High Plains
:13e. Plains Border
:13f. Colorado Piedmont
:13g. Raton section
:13h. Pecos Valley
:13i. Edwards Plateau
:13j. Central Texas section

INTERIOR HIGHLANDS

14. Ozark Plateaus
:14a. Springfield-Salem plateaus
:14b. Boston Mountains

15. Ouachita province
:15a. Arkansas Valley
:15b. Ouachita Mountains

ROCKY MOUNTAIN SYSTEM

16. Southern Rocky Mountains

17. Wyoming Basin

18. Middle Rocky Mountains

19. Northern Rocky Mountains

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 Plateau s
: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
:22b. Sonoran Desert
:22c. Salton Trough
:22d. Mexican Highland
:22e. Sacramento section

PACIFIC MOUNTAIN SYSTEM

23. Cascade- Sierra Mountains
:23a. Northern Cascade Mountains
:23b. Middle Cascade Mountains
:23c. Southern Cascade Mountains
:23d. Sierra Nevada

24. Pacific Border province
:24a. Puget Trough
:24b. Olympic Mountains
:24c. Oregon Coast Range
:24d. Klamath Mountains
:24e. California Trough
:24f. California Coast Ranges
:24g. Los Angeles Ranges

25. Lower California province

EXTERNAL LINK AND SOURCE

http://tapestry.usgs.gov/

Information About

United States Physiographic Region