MARINE CITY, MI – USA –JANUARY 26, 2015: The USCG MACKINAW on January 26, 2015 working ice on the St Clair River at Marine City, MI. The Mackinaw is the largest ice breaker on the Great Lakes.
USCG MACKINAW WORKING THE ICE CLOGGED ST CLAIR RIVER AT MARINE CITY, MI ON 1/26/2015
