Awesome Augustin's river words

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Across
  1. 1. a narrow channel that connects two larger bodies of water.
  2. 3. a large area of level or nearly level land.
  3. 5. an artificial waterway constructed by men.
  4. 6. the place were the river begins.
  5. 7. an area of generally flat land extending many miles inland.
  6. 8. land drained by a river and land surrounded by higher land.
  7. 9. abode of land surrounded by water and smaller than a continent.
  8. 10. a row of connected mountains.
  9. 11. a portion of land nearly surrounded by land.
  10. 12. a body of salt water that is smaller than an ocean.
  11. 13. elevated, level portion of earth's surface.
  12. 14. an inlet of the sea or other body of water, usually smaller than a gulf
  13. 15. a point of land jutting into water.
  14. 16. a large area of sea or ocean that is partially enclosed; larger than a bay.
Down
  1. 1. a long word from Mary Poppins
  2. 2. soil deposited at the mouth of a river.
  3. 4. the place were the river flows to a bigger body of water.