High Quality Content by WIKIPEDIA articles! The Straits of Mackinac is the strip of water that connects two of the Great Lakes, Lake Michigan and Lake Huron, and separates the Lower Peninsula of Michigan from the Upper Peninsula of Michigan. It is a shipping lane connecting, for instance, the steel mills of Gary, Indiana to the iron mines of Minnesota. Before the railroads reached Chicago from the east, it served as part of the path for immigrants into the Midwest and Great Plains. It is five miles... Mehr