Keywords: Operation Coal Shovel DVIDS1093969.jpg en LAKE ST CLAIR Mich -- The U S Coast Guard Cutters Mackinaw and Neah Bay break track lines for a commercial vessels in Lake St Clair Jan 12 2010 Both cuttters are underway in support of Operation Coal Shovel which encompasses southern Lake Huron Detroit/St Clair River systems Lakes Erie and Ontario including the St Lawrence Seaway U S Coast Guard photo by Ensign Guillermo Colom 2010-01-12 https //www dvidshub net/image/1093969 1093969 2013-12-12 03 07 LAKE ST CLAIR MI US PD-USGov Lake St Clair Michigan-Ontario Operation Coal Shovel Neah Bay tugboat 1980 Images from DoD uploaded by Fæ Lake freighters USCGC Mackinaw WLBB-30 Winter in Michigan |