1. Psychological Aspects of the Problem of Atmospheric Smoke Pollution
    Ücretsiz Oku %17
  2. History of the Water Supply of the World
arranged in a comprehensive form from eminent authorities, containing a description of the various methods of water supply, pollution and purification of waters, and sanitary effects, with analyses of potable waters, also geology and water strata of Hamilton county, Ohio, statistics of the Ohio river, proposed water supply of Cincinnati.
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  3. Water pollution—Wells
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    Irving A. Watson

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