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      Scientific American August 1927

      New Trails of Ancient Man

      Remarkable Finds of Ancestral Man Have Recently Been Made In Nebraska and Oklahoma

      • By Harold J. Cook on August 1, 1927

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      More in the August 1927 issue of Scientific American
      • Are You Socially Intelligent?
      • Household Inventions, August 1927
      • Patents Recently Issued, August 1927
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