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By: Dawson, J. W., (John William), - Penhallow, D. P. (David Pearce),Edition:Publication info: London, s.n, 1900Volume:Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects: Ontario Paleobotany Paleontology Pleistocene Toronto RegionBHL Collections:
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By: Suns, K. - Ontario. Ministry of Environment and Energy.Edition:Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1994Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Analysis Effect of water pollution on Environmental aspects Freshwater fishes Ontario Organic compounds Organic water pollutants Pollution Toronto Region WaterBHL Collections:
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By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.Edition:Publication info: [Toronto], Royal Ontario Museum, 1973Volume:Series:Holding Institution: University of Toronto - Royal Ontario Museum Library & ArchivesSubjects: Ontario Ordovician Paleontology Stigmatella Toronto RegionBHL Collections:
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By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.Edition:Publication info: [Toronto], Royal Ontario Museum, 1976Volume:Series:Holding Institution: University of Toronto - Royal Ontario Museum Library & ArchivesSubjects: Bryozoa, Fossil Ontario Ordovician Paleontology Toronto RegionBHL Collections: