1. United States--Great Lakes, Lake Huron--Michigan, St. Marys River, De Tour Passage to Munuscong Lake
1997. 2011-11-16T16:59:11Z. 2015-10-21T15:05:42Z. United States Coast Survey. The Survey ; NOAA Distribution Division, N/ACC3, National Ocean Service, distributor. English. Public. Saint Marys River (Mich. and Ont.), Huron, Lake (Mich. and Ont.), and De Tour Passage (Mich.).
