Egytian farming and irrigation

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Across
  1. 2. A type of reed that was used to make simple forms of boats
  2. 3. Flax was also used to make this important form of clothing material
  3. 5. An invention used by the ancient Egyptians to determine the height of the Nile River
  4. 6. The Egyptian translation for the English word 'deep well'
Down
  1. 1. A type of civilisation that is dependent upon the use of irrigation from a river source
  2. 4. A method of using water from a river to parts of the landscape on the edge of the floodplain
  3. 6. An ancient Egyptian invention to get water out the Nile River
  4. 7. A crop that was used by the ancient Egyptians to act as a form of rope