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  1. By: Clement, R. E. - Ontario. Ministry of the Environment. - Canada. Environment Canada.
    Publication info: [Toronto, Ont.] :Environment Ontario :1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
  2. By: Alberta. Alberta Agriculture. - Alberta. Alberta Energy and Natural Resources. - Canada. Environment Canada. - Recreation, Parks & Wildlife Foundation.
    Publication info: [Edmonton, Alta.] :Alberta Agriculture ;[1975-1986].
    Holding Institution: University of Alberta Libraries (archive.org)