- United States physiographic region
There are eight distinct physiographic divisions within the
continental United States . Each is composed of smaller physiographic areas called provinces and sections respectively. [cite web | title = Physiographic Regions | publisher =United States Geological Survey | date =2003-04-17 | url = http://tapestry.usgs.gov/physiogr/physio.html | accessdate = 2008-01-30 ]These eight divisions are:
*Laurentian Upland (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.
Laurentian Upland
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 Plateau s 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 section9.
New England Province :9a.Seaboard Lowland section :9b. New England Upland section :9c. White Mountain section :9d. Green Mountain section :9e. Taconic section10. Adirondack province
Interior Plains
11.
Interior Low Plateaux :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 sectionInterior 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 section21.
Colorado Plateau s :21a. High Plateaus of Utah :21b. Uinta Basin :21c. Canyon Lands :21d. Navajo section :21e.Grand Canyon section :21f. Datil section22.
Basin and Range province :22a.Great Basin :22b.Sonoran Desert :22c.Salton Trough :22d. Mexican Highland :22e.Sacramento sectionPacific Mountain System
23. Cascade-
Sierra Mountains :23a. NorthernCascade Mountains :23b. MiddleCascade Mountains :23c. SouthernCascade Mountains :23d. Sierra Nevada24. 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
ee also
Physiographic regions of the world Notes
External link and source
* [http://tapestry.usgs.gov/ Tapestry]
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