Chesapeake and Ohio 2 Chicago & Eastern Illinois 5 Chicago & Great Western 1 Chicago and North Western 9 Chicago Burlington & Quincy 2 Cotton Belt 4 Delaware-Lackawanna 7 Detroit & Mackinac 3 Detroit, Toledo and Ironton 4 Duluth Missabe & Iron Range 4 Duluth South Shore & Atlantic 4 Erie 3 Florida East Coast 4 Green Bay & Western 6 Illinois Central 12 Illinois Terminal 4 Kansas City Southern 6 Lake Superior & Ishpeming 3 Louisville and Nashville 3 Maine Central 4 Milwaukee Road 4 Missouri, Kansas, Texas 2 Nashville, Chattanooga and St. Louis 1 New York Central 7 New York, Susquehanna & Western 1 Nickel Plate Road 7 Norfolk and Western 4 Northern Pacific 4 Penn Central 3 Pennsylvania 2 Pennsylvania Railroad 22 Port Huron and Detroit 2 Reading Railroad 2 Rock Island 6 Santa Fe 9 Southern 3 St. Louis San Francisco 4 Union Pacific 6 Western Pacific 6