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By: Canada. Department of Agriculture. Forest Biology Division. - Raizenne, Henri.Edition:Publication info: Ottawa, 1952Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Forest insects Lepidoptera Ontario, Southern ParasitesBHL Collections:
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By:Edition:Publication info: [Toronto], Ontario, Ministry of Environment and Energy, 1997Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Crayfish Effect of water quality on Ontario, SouthernBHL Collections:
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By: Stanley, D. Christopher A. - Pickerill, R. K. - Royal Ontario Museum.Edition:Publication info: Toronto, Royal Ontario Museum, c1998Volume:Series:Holding Institution: Royal Ontario MuseumSubjects: Ichnology Ontario, Southern Ordovician Paleontology Trace fossilsBHL Collections: