In a Feb. 19, 2014 photo provided by the U.S. Coast Guard, the Cutter Hollyhock cuts a track line for the motor vessel Algosea in Lake St. Clair, Mich. The Coast Guard's nine Great Lakes icebreakers have put in four times as many icebreaking hours this year due to harsh winter weather. (AP Photo/U.S. Coast Guard, Petty Officer 1st Class Randy Beauchamp)
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