Great Lakes is the world's largest lake located on a freshwater island. Some of these lakes even have their own islands, like Treasure Island in Lake Mindemoya in Manitoulin Island The Great Lakes also have several peninsulas between them, including the Door Peninsula, the Peninsulas of Michigan, and the Ontario Peninsula. Some of these peninsulas even contain smaller peninsulas, like the Keweenaw Peninsula, the Thumb Peninsula, the Bruce Peninsula, and the Niagara Peninsula. Population centers on the peninsulas include Grand Rapids, Michigan, Detroit, Michigan, London, Ontario, Hamilton, Ontario, and Toronto, Ontario. The Saint Lawrence Seaway and Great Lakes Waterway make the Great
The Great Lakes Group was the first president. The company began full operation on the Great Lakes (except Lake Ontario and the St. Lawrence River) in 1900, starting its first navigating season with over 150 tugboats. The Company grew rapidly, so much so that in 1913 it was charged with operating a monopoly. Frequent labor unrest during World War II resulted in the U.S. government assuming control of the Company in 1945-46. During the 1950s and 1960s the company installed innovative communication equipment. Business began to decline in the 1960s when the decline of the steel industry and the introduction of new types of