Keywords: Mackinaw St. Marys River DVIDS1127031.jpg en The crew of the U S Coast Guard Cutter Mackinaw break ice for the motor vessel AlgoCanada during an escort through Johnson Point turn in the St Marys River Jan 29 2013 The St Marys River connects Lake Superior and Lake Huron and for it's entire length is an international border between the United States and Canada Coast Guard photo by Lt Stephen Elliot 2013-01-29 Deborah Aragon https //www dvidshub net/image/1127031 1127031 2013-12-13 05 11 US PD-USGov Lake Huron Lake Superior USCGC Mackinaw WLBB-30 Images from DoD uploaded by Fæ |