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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Humphries, Dave. - Byrtus, Gary - Anderson, Anne-Marie, - Alberta. Alberta Environment. - Alberta Research Council. - Alberta. Alberta Agriculture, Food, and Rural Development.
    Publication info: [Edmonton], Alberta Environment, 2005
    Holding Institution: University of Alberta Libraries (archive.org)
  2. By: Byrtus, Gary - Jackson, R. - Alberta. Pollution Control Division. - Alberta. Pesticide Chemicals Branch.
    Publication info: Edmonton, Alta, Pesticide Chemicals Branch, Pollution Control Division, Environmental Protection Services, Alberta Environment, 1986
    Holding Institution: University of Alberta Libraries (archive.org)
  3. By: Byrtus, Gary - Alberta. Environmental Sciences Division.
    Publication info: Edmonton, Alberta Environment, Environmental Service, Environmental Sciences Division, 2000
    Holding Institution: University of Alberta Libraries (archive.org)
  4. By: Byrtus, Gary - Alberta. Alberta Environment.
    Publication info: Edmonton, Alberta Environment, Environmental Assurance Division, 2007
    Holding Institution: University of Alberta Libraries (archive.org)
  5. By: Byrtus, Gary - Alberta. Alberta Environment.
    Publication info: Edmonton, Alberta Environment, Policy Division, 2011
    Holding Institution: University of Alberta Libraries (archive.org)