Cattle, Cotton, and Railroad

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Across
  1. 6. Practice of growing enough crops
  2. 7. between two or more states
  3. 8. Device using wind power to pump water from underground to the surface
  4. 10. wild rush of animals or people, usually when frightened
  5. 11. watering of land by artificial means to foster plant growth
Down
  1. 1. strands of fence wire with barbs at regular intervals
  2. 2. Machinery and equipment developed from the application of scientific knowledge
  3. 3. Practice of growing surplus crops to sell for profit
  4. 4. Spanish term for cowboy
  5. 5. Spatial distribution of where humans inhabit the Earth
  6. 9. Process of increasing human settlement in cities