From the Frontier days when lumber and tourism were Michigan's first industries to exporting Michigan's automobiles to markets all over the country, the railroads of Michigan played a very important role in the state's development as a recreational destination and industrial powerhouse. Come along for a look back at Michigan's railroads from the 1950's through the 1980's, from Detroit to Grand Rapids, Mackinaw City and Marquette; from Lake Michigan to Lake Superior. Railroads covered include Amtrak, Ann Arbor, Chesapeake & Ohio, C&NW, Detroit & Mackinac, DT&I, Grand Trunk, Milwaukee Road, LS&I, Michigan Northern, New York Central, Penn Central, Pennsylvania Railroad, and the Soo Line.