Referenced by Selection: Great Lakes Cruising Chart, 1966 Your Browser doesn't support iframes. Geographic Area Covered: Great Lakes, Great Lakes Region Geographic Coordinates: (W 94°--79°/N 49°--N 29°) View on Google Maps Your Browser doesn't support iframes. Geographic Area Covered: United States, Illinois--Illinois Waterway, Mississippi River, Illinois--Chicago Region, Ohio--Cleveland Region, Lake Superior, Lake Huron--Straits of Mackinac, Michigan--Straits of Mackinac Region Geographic Coordinates: (W 94°--79°/N 49°--N 29°) View on Google Maps