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      Scientific American May 15, 1920

      Piercing the Catskills for Water

      Some Constructional Details of the 18-Mile Tunnel Under the Shandaken Mountains

      • By Robert G. Skerrett on May 15, 1920

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      More in the May 15, 1920 issue of Scientific American
      • Hoboes of Industry
      • How Much Water do we Drink in the United States?, Scientific American Monthly for May and more
      • Recently Patented Inventions - May 15, 1920
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