Located west of the Rocky Mountians and east of the Sierra Nevadas and the Cascades

Physical Characteristics

Varying elevations containing isolated mountain ranges and Death Valley, the lowest point in North America

Located west of the Great Plains and east of the Basin and Range

Physical Characteristics

Rugged Mountains stretching form Alaska almost to Mexico

High Elevations

Contains the Continental Divide which determines the directinal flow of rivers. 

Located West of the Interior Lowlands and east of the Rocky Mountains

Physical Characteristics

Flat lands that gradulaly increase in elevation westward

Grasslands

Located west of the Appalachian Mountians and east of the Great Plains

Physical Characteristics

Rolling flatlands with many rivers, broad river valley,s and grassy hills

Canadian Shield

Location

Wrapped around Hudson Bay in a horseshoe shape

Physical Characteristics

Hills worn by erosion and hubdreds of lakes carved by glaciers

Located west of the Coastal Plain, extending form eastern Canada to western Alabama

Ihncludes the Piedmont

Physical Characteristic s

Old Eroded mountains

oldest mountain range in North America

Located along the Atlantic Ocean and Gulf of Mexico

Physical Characteristics

Broad lowlands providing many excellent harbors