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Date: 2011-04-01 09:00:07Water Environmental science Water pollution Erie Canal Lake Erie Saint Lawrence Seaway Great Lakes Areas of Concern Water quality Great Lakes Environment Canada–United States border Geography of Canada | Synthesis of Beneficial Use Impairment Assessment Conclusions Photo: John CooperAdd to Reading ListSource URL: epa.govDownload Document from Source WebsiteFile Size: 373,63 KBShare Document on Facebook |