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      Knowledge is Power

      Scientific American October 16, 1915

      A Mining Camp without a Peer

      Where Revolutionary Methods of Winning the Ore Have Been Developed

      • By George Frederic Stratton on October 16, 1915

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      More in the October 16, 1915 issue of Scientific American
      • Aeroplane Engines
      • Kinematographics
      • Stream-Valleys and their Meaning
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