Coast Guard Begins Largest Domestic Icebreaking Operation on Great Lakes

Paul R. Tregurtha's arrival in Duluth seen from sky

The laker arrived through the Duluth entry Wednesday afternoon to load coal in Superior.

U.S. Coast Guard starts annual icebreaking operation

Operation Taconite is the U.S. Coast Guard’s largest domestic icebreaking operation, encompassing Lake Superior, Lake Michigan, the St. Marys River, the Straits of Mackinac and the Georgian Bay

Coast Guard begins largest domestic icebreaking operation on Great Lakes

Operation Taconite began on Wednesday, making way for commercial traffic on Lake Superior.

Coast Guard begins winter ice-breaking operations on the Great Lakes

The U.S. Coast Guard Sector Northern Great Lakes began ice-breaking operations in the Great Lakes on Wednesday for the winter shipping season.

Coast Guard begins Ice Breaking operations

SAULT STE. MARIE, Mich. — U.S. Coast Guard Sector Northern Great Lakes commenced Operation Taconite at 1 p.m., Wednesday, Dec. 10, to prevent newly formed ice from hindering commercial traffic.