Across
- 3. level or gently rolling land covering in grasses, with few trees
- 4. a law, passed in 1787, stating that the Northwest Territory must be divided into 3-5 states. These states could not permit slavery.
- 7. western parts of the midwest; the land is higher and drier; stretches toward the Rocky Mountains
- 9. capable of growing crops
- 11. when farmers switch between two crops
- 14. center
- 16. a heavy snowstorm with powerful winds
- 17. the eastern part of the Midwest
Down
- 1. a small settlement where goods are traded
- 2. religious people who set up settlements to teach religion
- 5. a system of wide, fast roads connecting states
- 6. an area of rough land in western South Dakota. Vegetation is light and few trees grow there
- 8. a tool used to turn over soil to get it ready for planting
- 10. a person who moves from place to place
- 12. a meeting point
- 13. substances that help plants grow
- 15. a destructive column of spinning air with winds that can reach more than 300mph
