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Isle Royale

September 22, 2009
A cluster of zebra mussels sits on a navagation buoy that was pulled from Lake Superior by the USCG Cutter Alder. Park Service officials have confirmed the presence of zebra mussels on Isle Royale. Plans call for the complete eradication of the colony from the island's waters. File/Duluth News Tribune
Zebra mussels make it to Isle Royale
September 22, 2009 - 7:08am