Across
- 3. region located west of the Interior Lowlands and east of the Rocky Mountains that contains flat land that gradually increases in elevation westward; grasslands
- 5. Which river was explored by Lewis and Clark?
- 7. region wrapped around the Hudson Bay in a horseshoe shape that has hills worn by erosion and hundreds of lakes carved by glaciers
- 11. region located west of the Coastal Plain extending from eastern Canada to western Alabama, includes the Piedmont Mountains; contains old eroded mountains and is the oldest mountain range in North America
- 13. region located west of the Great Plains and east of the Basin and Range that contains rugged mountains stretching from Alaska almost to Mexico; contains the Continental Divide
- 14. Which river is the gateway to the West?
- 16. region located west of the Rocky Mountains and east of the Sierra Nevadas and the Cascades that contains areas of varying elevation as well as isolated mountain ranges and Death Valley
- 17. located in the Rocky Mountains; determines the directional flow of rivers
Down
- 1. region located west of the Appalachian Highlands and east of the Great Plains that contains rolling flatlands with many rivers, broad river valleys, and grassy hills
- 2. Which rivers were known as the transportation for farming and industrial products?
- 4. region located along the Atlantic Ocean and Gulf of Mexico that provides broad lowlands and many excellent harbors
- 6. Which river connects the Great Lakes to the Atlantic Ocean?
- 8. located in the Basin and Range region; the lowest point in North America
- 9. The Rocky Mountains have a higher BLANK than the Appalachian Mountains
- 10. Which ocean was a highway for early explorers?
- 12. Which river forms part of the U.S. border with Mexico?
- 15. region west of the Basin and Range with rugged mountains along the Pacific Coast that stretch from California to Canada and contain fertile valleys