Great Lakes Island, Harsens Island, Manitoulin Island, and the Toronto Islands. As of 2007, four car ferry services cross the Great Lakes, two on Lake Michigan: a steamer from Ludington, Michigan, to Manitowoc, Wisconsin, and a high speed catamaran from Milwaukee to Muskegon, Michigan, one on Lake Erie: a boat from Kingsville, Ontario, or Leamington, Ontario, to Pelee Island, Ontario, then onto Sandusky, Ohio, and one on Lake Huron: the M.S. Chi-Cheemaun runs between Tobermory and South Baymouth, Manitoulin Island, operated by the Owen Sound Transportation Company. An international ferry across Lake Ontario Rochester, New York, to Toronto ran during 2004 and
Great Lakes Megalopolis French geographer Jean Gottmann. Gottmann envisaged the development of other megalopolies in the U.S.: from Boston to Washington, D.C., from Chicago to Pittsburgh, and from San Francisco to San Diego. In 1965, futurist Herman Kahn speculated about the future of the three megalopoleis in the year 2000. In the 1960s and 1970s, urban planner and architect Constantinos Doxiadis authored books, studies, and reports regarding the growth potential of the "Great Lakes Megalopolis". Doxiadis envisioned Detroit (on the US-Canada border across from Windsor) as the central urban area in the Great Lakes Megalopolis. According to him, the megalopolis extended "from Milwaukee