Coast Guard concludes ice breaking operations on lower Great Lakes

Coast Guard concludes ice breaking operations on lower Great Lakes
DETROIT — The Coast Guard concluded icebreaking operations on the lower Great Lakes, Monday, more than four months after it started, Dec. 15, 2013. Operation Coal Shovel is a bi-national domestic icebreaking effort covering the St. Lawrence Seaway, Lake Ontario, Lake Erie, the Detroit/St. Clair River System, and southern Lake Huron. Crews aboard Coast Guard Cutters Mackinaw, Hollyhock, Bristol...