Great Lakes passenger steamers had to divest themselves of their marine divisions on the lakes. Under this divestiture law, the "Milwaukee Clipper", for instance, was sold by the Anchor Line along with four other railroad-owned company fleets to the newly formed Great Lakes Transit Corporation. Under this flag, the "Clipper" carried passengers along her old route until retired in 1970. Before trains and, later, cars became prevalent, summer vacation areas in more remote areas around the Great Lakes were accessible primarily only by steamer. Northern Michigan's tourist and resort areas began to grow in this manner in the late 1890s. In the late 19th
Great Lakes is the largest lake that is entirely within one country. The Great Lakes began to form at the end of the last glacial period around 14,000 years ago, as retreating ice sheets exposed the basins they had carved into the land which then filled with meltwater. The lakes have been a major source for transportation, migration, trade, and fishing, serving as a habitat to a large number of aquatic species in a region with much biodiversity. The surrounding region is called the Great Lakes region, which includes the Great Lakes Megalopolis. Though the five lakes lie in separate basins, they