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      Scientific American July 1923

      Fighting the Mosquito

      How Minnows, Oil, and Drainage are Freeing Florida of a Leading Enemy of Immigration

      • By D. H. George on July 1, 1923

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      More in the July 1923 issue of Scientific American
      • Civil Engineering Notes, July 1923
      • Mechanical Engineering Notes, July 1923
      • Our Psychic Investigation in Europe--III
      View Full Contents
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