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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Richman, Lisa A. - Ontario. Ministry of Environment and Energy
    Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Effect of water quality on  Environmental monitoring  Mussels  Niagara River (N.Y. and Ont.)  Niagara River (N.Y. and Ont.)'  Pollution  Water  Water quality