A | B |
Great Plains | Flat lands that gradually increse in elevation westward |
Rocky Mountains | Contains the Continental Divide which determines directional flow of rivers |
Basin and Range | Contains Death Valley, the lowest point in North America |
Coastal Range | Contains fertile valleys |
Coastal Plain | Broad lowlands providing many excellent harbors |
Appalachian Mountains | Oldest mountain range in North America |
Canadian Shield | Holds some of the oldest rock formations in North America |
Interior Lowlands | Rolling flatlands with many rivers, broad river valleys, and grasy hills |