Keywords: d9 great lakes greatlakes icebreaking taconite cold winter frozen united states unitedstates us outdoor The crew of the Coast Guard Cutter Alder clears ice from the deck of the cutter as the ship transits through Lake Superior Dec. 14, 2016. The Alder and other Great Lakes Coast Guard cutters commenced Operation Taconite, the Coast Guard’s largest domestic ice-breaking operation, encompassing Lake Superior, the St. Mary’s River, the Straits of Mackinac and Lake Michigan, Dec. 19, 2016. (U.S. Coast Guard photo) www.dvidshub.net The crew of the Coast Guard Cutter Alder clears ice from the deck of the cutter as the ship transits through Lake Superior Dec. 14, 2016. The Alder and other Great Lakes Coast Guard cutters commenced Operation Taconite, the Coast Guard’s largest domestic ice-breaking operation, encompassing Lake Superior, the St. Mary’s River, the Straits of Mackinac and Lake Michigan, Dec. 19, 2016. (U.S. Coast Guard photo) www.dvidshub.net |