PORTAGE, Mich. - Fireman Mathew Stuber of Coast Guard Cutter Alder gripes down a NOAA buoy, Nov.14, 2008 on western Lake Superior. CGC Alder is part of Operation Fall Retrieve, which switches all buoys in the Great Lakes with more durable ice buoys before the winter freezes the Lakes. (U.S. Coast Guard photo/ Petty Officer 3rd Class William B. Mitchell)
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