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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ontario. Water Resources Branch. - Griffiths, W M
    Publication info: [Toronto, Ont.], Water Resources Branch, Ontario Ministry of the Environment, 1988
    Holding Institution: University of Toronto - Robarts Library
  2. By: Findeis, J. G. - Ontario. Water Resources Branch.
    Publication info: [Toronto], Water Resources Branch, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment
  3. By: Ontario. Water Resources Branch.
    Publication info: [Toronto], Water Resources Branch, 1993
    Holding Institution: Ontario Ministry of the Environment