Water Underground

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Across
  1. 2. the top of the saturated zone
  2. 3. any underground layer of permeable rock or sediment that holds water and allows it to flow
  3. 6. allows water to pass through
  4. 7. the layer underground that is not saturated or filled with water
Down
  1. 1. a well where water rises on its own because of the pressure of an aquifer
  2. 4. water reaches a level underground that is saturated with water
  3. 5. water cannot pass through easily