Keywords: 140202-G-ZZ999-002 (12325696274).jpg U S Coast Guard Cutter Mackinaw and the tug Joyce L Van Enkevort cut through the ice as they escort motor vessel Algoway through the southeast bend in the lower St Clair River near Harsens Island Feb 2 2014 The crew of Mackinaw is assisting in Operation Coal Shovel one of two ice-breaking operations conducted in the Great Lakes DoD photo by PA2 Levi Read U S Coast Guard/Released https //www flickr com/photos/39955793 N07/12325696274/ 140202-G-ZZ999-002 2014-02-02 17 06 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/12325696274 2016-09-03 07 36 55 United States Government Work Operation Coal Shovel St Clair River USCGC Mackinaw WLBB-30 Great Lakes Trader ship 2000 |