'Whale burps' found along Lake Superior shore in Duluth
DULUTH, Minn. - 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 eventually called the two fibrous balls of natural debris and shards of plastic that Maxham's son, Scott Maxham, had found in the shallows of Lake Superior along Duluth's Lakewalk over the Thanksgiving weekend.
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