Effects of Geography

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Across
  1. 1. a deadly disease usually transmitted by mosquitoes
  2. 6. caused people to flock to the cities to work
  3. 8. cleared by settlers to plant crops
  4. 9. communicate
  5. 11. built to house these workers
  6. 12. altered physical geography in the 1860s
Down
  1. 2. adjust
  2. 3. ditches or canals bringing water to dry areas
  3. 4. a body of land surrounded by water on three sides
  4. 5. known in the 1930s and caused by farming activity which disturbed the environment of the Great Plains
  5. 7. a long period without rain
  6. 10. invented and farmers tilled grassland with it