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      Scientific American August 1929

      Novel Features of the O'Shaughnessy Dam

      Inspection Galleries and Pre-cast Concrete Sections in Large Dam

      • By C. W. Geiger on August 1, 1929

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      More in the August 1929 issue of Scientific American
      • Fungi that Kill
      • Reindeer With Horns in the Velvet
      • The Danger from X-Ray Films, Fish Tapeworm Infestation and more
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