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This edition: Groundwater





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Episode Details

Approximately three-quarters of Earth’s surface is covered by water. But most fresh water comes from underground. Topics of this program include aquifers, rock porosity and permeability, artesian wells, the water table, cave formation, sinkholes, and how groundwater may become contaminated.

  • Down to Earth
  • Monday, January 15 - 6:30am, 12:30pm, 10:25pm
  • Saturday, January 20 - 4:30pm