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  1. By: Stechey, Daniel. - Trudell, Yves. - Canadian Aquaculture Systems. - Ontario. Environmental Services. - Ontario. Water Resources Branch. Environmental Services.
    Publication info: [Toronto], Ontario Environment, c1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Environmental aspects  Fish-culture  Ontario  Recycling  Trout fisheries  Water quality management  Water treatment plants  Water-supply  
  2. By: Tanner, Fred W.,
    Publication info: 1914
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1914  Bacteria  Chemistry  Testing  Theses  UIUC  Water treatment plants  Well water  
  3. By: Hinomoto, Hirohide. - University of Illinois at Urbana-Champaign. College of Commerce and Business Administration.
    Publication info: [Urbana], College of Commerce and Business Administration, University of Illinois at Urbana-Chanpaign, 1972
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Economies of scale  Water treatment plants