- 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 Highlands(14 and 15)
*Rocky Mountain System (16-19)
Pacific Mountain System(23-25)
See Physical geography of the U.S. for descriptions.
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
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.
St. Lawrence Valley:7a. Champlain section :7b. Northern section (not on map)
Appalachian Plateaus province :8a. Mohawk section :8b. Catskill section :8c. Southern New York section :8d. Allegheny Plateausection :8e. Kanawha section :8f. Cumberland Plateausection :8g. Cumberland Mountain section
10. Adirondack province
Interior Low Plateaux:11a. Highland Rimsection :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
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 Texassection
14. Ozark Plateaus :14a. Springfield-Salem plateaus :14b.
15. Ouachita province :15a.
Arkansas Valley:15b. Ouachita Mountains
Rocky Mountain System
Rocky Mountains17. Wyoming Basin
Colorado Plateaus :21a. High Plateaus of Utah :21b. Uinta Basin :21c. Canyon Lands :21d. Navajo section :21e. Grand Canyonsection :21f. Datil section
Basin and Rangeprovince :22a. Great Basin:22b. Sonoran Desert:22c. Salton Trough:22d. Mexican Highland :22e. Sacramentosection
Pacific Mountain System
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. CaliforniaCoast Ranges :24g. Los Angeles Ranges
25. Lower California province
Physiographic regions of the world
External link and source
* [http://tapestry.usgs.gov/ Tapestry]
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