Great Lakes Great Lakes The Great Lakes (), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes located primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River. They consist of Lakes Superior, Michigan, Huron, Erie, and Ontario, although hydrologically, there are four lakes, Superior, Erie, Ontario, and Michigan-Huron. The lakes are interconnected by the Great Lakes Waterway. The Great Lakes are the largest group of freshwater lakes on Earth by total area, and second largest
SS City of Milwaukee navigation of the vessel took place. There is also a small pilot house on the stern that is used for docking the vessel. The ship was built in 1930 and launched in 1931 at Manitowoc, Wisconsin to replace , which sank with all hands on October 22, 1929 during a gale. Car ferry service had been introduced to the Great Lakes in 1892, and there was many as 14 vessels operating on the lakes at the system's peak. These specialized vessels were capable of carrying up to 34 railroad cars across the often stormy and ice-packed lakes at any time