| A | B |
|---|
 | Appalachian Highlands |
 | Basin and Range |
 | Canadian Shield |
 | Coastal Plain |
 | Coastal Range |
 | Great Plains |
 | Interior Lowlands |
 | Rocky Mountains |
| Coastal Plain | broad lowlands providing many harbours |
| Appalachian Highlands | old eroded mountains including the Piedmont |
| Canadian Shield | Hills worn by erosion and hundreds of lakes carved by glaciers |
| Interior Lowlands | rolling flatlands with many rivers, valleys, and grassy hills |
| Great Plains | flat grasslands gradually increasing in elevationwestward |
| Rocky Mountains | ruggesd mountains of high elevation containing Continental Divide |
| Basin and Range | varying elevations containing isolated mountain ranges and deserts including Death Valley |
| Coastal Range | rugged mountains and fertile valleys |
| Appalchian Highlands Photograph |  |
| Coastal Plains Photograph |  |
| Canadian Shield Photograph |  |
| Interior Lowlands Photograph |  |
| Great Plains Photograph |  |
| Rocky Mountains Photograph |  |
| Basin and Range Photograph | .jpg) |
| Coastal Range Photograph |  |
