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By: Gartner Lee Associates. - Ontario. Ministry of the Environment.Edition:Publication info: [Markham, ON?], Gartner Lee Ltd, 1990Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Ontario Sanitary landfills Utilization WeedsBHL Collections:
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By: Holder-Franklin, Maxine A. - Ontario. Environmental Research Program. - Ontario. Ministry of Environment and Energy.Edition:Publication info: Toronto, Ministry of Environment and Energy, 1996Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Control Environmental aspects Groundwater Indicators (Biology) Microbiology Pollution Sanitary landfills WaterBHL Collections:
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By: Pearson, R. G.Edition:Publication info: [Toronto], Ontario Ministry of the Environment, 1988Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Air Effect of air pollution on Environmental aspects Ontario Pickering Plants Pollution Sanitary landfillsBHL Collections: