Jackson crossword puzzle

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Across
  1. 1. the top layer of soil.
  2. 4. allowing liquids or gases to pass through it.
  3. 6. a body of permeable rock which can contain or transmit groundwater.
  4. 7. The area in which water enters an aquifer
  5. 8. a shaft sunk into the ground to obtain water, oil, or gas.
Down
  1. 2. not allowing fluid to pass through.
  2. 3. a large natural or artificial lake used as a source of water supply.
  3. 5. the soil lying immediately under the surface soil, typically containing more clay, stones, etc. and less organic matter.