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Date: 2013-12-20 15:12:18Great Lakes Waterway Eastern Canada Great Lakes Sea lamprey Brook trout Whittlesey Creek National Wildlife Refuge Lake trout Lake Superior Invasive species Fish Salvelinus Canada–United States border | Reducing Toxic Chemicals in Lake SuperiorAdd to Reading ListSource URL: publications.gc.caDownload Document from Source WebsiteFile Size: 253,19 KBShare Document on Facebook |