News Posted January 13, 2011 Share Posted January 13, 2011 When Glenn Maxham of Duluth showed up at the Minnesota Sea Grant office earlier this month, he didn't know he was carrying "whale burps." That's what Sea Grant officials called two fibrous balls of natural debris and shards of plastic that he found in the shallows of Lake Superior along Duluth's Lakewalk.More... Link to comment Share on other sites More sharing options...
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