River Crossword

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Across
  1. 4. Where a river flows into another body of water
  2. 5. Where a river begins
  3. 7. The land where it slopes into a river
  4. 9. Filled with unwanted materials
Down
  1. 1. Moved around freely
  2. 2. The amount of water expelled by a river
  3. 3. Farming with crops and other vegetables
  4. 4. A curve in a river
  5. 6. A long, deep hole where there is usually a river flowing
  6. 8. Sediment that is carried by the river