Across
- 3. a common issue involving over farming
- 5. a machine to help collect wheat
- 6. the condition of the plains
- 8. had a scientific expedition on the plains
- 9. to give 160 acres of land to any american
Down
- 1. flat piece of land
- 2. growing crops
- 4. the answer to 8 says this about the plains
- 7. equipment used to farm