Western Great Lakes forests Western Great Lakes forests The Western Great Lakes forests is a terrestrial ecoregion as defined by the World Wildlife Fund. It is within the Temperate Broadleaf and Mixed Forests ecozone of North America, in the United States' states of Michigan, Wisconsin and Minnesota, and the Canadian provinces of Ontario and Manitoba. The Western Great Lakes forests, in large part, lie in the northwestern Great Lakes Basin near the shores of Lake Huron, Lake Michigan and Lake Superior, including the entire Upper peninsula of Michigan and large parts of Northern Wisconsin, around Lake Superior into much of northern Minnesota and a
The Great Lakes Group provides linehandling assistance to vessels transiting the United States Army Corps of Engineers-administered and -operated Soo Locks at Sault Ste. Marie, Michigan on the St. Mary's River, the only water connection between Lake Superior and the other Great Lakes. The Soo Locks are located in the St. Mary's Rapids, where the water falls about 21 feet from the level of Lake Superior to the level of the lower lakes. Vessels must transit the Soo Locks en route to the principal ports of Duluth, Minnesota and Thunder Bay, Ontario and outbound to the sea. In 1999 Admiral Towing and Barge Company