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      Knowledge is Power

      Scientific American January 2003

      Out of Sight, Out of Mind

      An oncoming crisis over misuse of a hidden resource-- America's aquifers

      • By Douglas Jehl on January 1, 2003

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      More in the January 2003 issue of Scientific American
      • Ask the Experts: January 2003
      • Ice That Sinks
      • Type It Anywhere
      View Full Contents
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