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Please read BHL's Acknowledgment of Harmful Content
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  1. 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)
    Subjects: Alberta  Athabasca River  Control  Environmental aspects  Flies  Pesticides
  2. By: Rasmussen, Joseph B. - Taylor, Eric B. - Alberta. Fish and Wildlife Division. - Alberta. Alberta Sustainable Resource Development. - Alberta Conservation Association.
    Publication info: [Edmonton] :Government of Alberta ;2009.
    Holding Institution: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Athabasca River  Fish populations  Population  Rainbow trout  Wildlife management