Table of physiographic divisions of the United States
''Laurentian Upland''. 
1. Superior Upland
''Atlantic Plain.''
2. Continental Shelf
3. Coastal Plain: (a) Embayed section; (b) Sea Island section; (c) Floridian section; (d) East Gulf Coastal Plain; (e) Mississippi Alluvial Plain; (f) West Gulf Coastal Plain.
Appalachian Highlands.
4.	Piedmont province; (a) Piedmont Upland; (b) Triassic Lowland.
5.	Blue Ridge province: (a) Northern section; (b) Southern section.
6.	Appalachian Valley province: (a) Tennessee section; (b) Middle section; (c) Hudson section.
7.	St. Lawrence Valley: (a) Champlain Valley; (b) Northern section.
8.	Appalachian Plateaus: (a) Mohawk section; (b) Catskill section; (c) Allegheny Plateau (glaciated); (d) Allegheny Plateau (Conemaugh section); (e) Kanawha section;* (f) Cumberland section.
9.	New England province: (a) New England Upland; (b) White Mountain section; (c) Green Mountain section; (d) Taconic section. 10.	Adirondack province.
''Interior Plains.''
11.	Interior Low Plateau :f (a) Highland Rim Plateau; (b) Lexington Plain; (c) Nashville Basin; (d) not named.
12.	Central Lowland: (a) Eastern Lake section; (b) Western Lake section; (c) Wisconsin Driftless section; (d) Till Plains; (e) Dissected Till Plains; (f) Osage Plains.
13.	Great Plains: (a) Missouri Plateau (glaciated); (b) Missouri Plateau (unglaciated); (c) Black Hills; (d) High Plains; (e) Plains Border; (f) Colorado Piedmont; (g) Raton section; (h) Pecos Valley; (i) Edwards Plateau; (k) Texas Hill section. 
''Interior Highlands.''
14.	Ozark province: (a) Salem-Springfield plateaus; (b) Boston Mountains (plateau);
15.	Ouachita province; (a) Arkansas Valley section; (b) Ouachita Mountains.
''Rocky Mountain System.''
16.	Southern Rocky Mountains (to be divided into sections).
17.	Wyoming Basin.
18.	Northern Rocky Mountains (to be divided into sections). 
''Intermontane Plateaus.''
19.	Columbia Plateau: (a) Walla Walla Plateau; (b) Blue Mountains (c) Payette section; (d) Snake River Plain; (e) Harney section.