geography

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Across
  1. 2. marshy lakes and rivers of Louisiana
  2. 4. large pipes that carry water over long distances
  3. 7. the average # of days between the last day of spring and the last day of fall
  4. 8. tropical trees that grow in swampy ground along coastal areas
Down
  1. 1. the band of the of southern states from the Carolinas
  2. 3. a very large city
  3. 5. the particles of leftover dead plants and animals
  4. 6. elevator tall building equipped with machines for loading, cleaning,etc. grain