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By: Wallis, Cliff. - Wershler, Cleve R. - Alberta. Alberta Energy and Natural Resources. - Cottonwood Consultants Ltd.Edition:Publication info: Edmonton, Alta, Alberta Energy and Natural Resources, 1985Volume:Series:Holding Institution: University of Alberta LibrarySubjects:BHL Collections:
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By: Wallis, Cliff. - Wershler, Cleve R. - Alberta. Alberta Environment. Natural Resources Service. - Cottonwood Consultants Ltd.Edition:Publication info: Calgary, Cottonwood Consultants Ltd, 2001Volume:Series:Holding Institution: University of Alberta LibrarySubjects:BHL Collections:
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By: Kondla, Norbert G. - Pinel, Harold W., - Wallis, Cliff. - Wershler, Cleve R.Type: ArticleIn: The Canadian field-naturalistVolume: 87Series:Issue: 4Date: 1973Page Range: 377--393Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: