Great Lakes Coal and Dock Company | Saint Paul, Minnesota | EMD SW1 #320 diesel-electric locomotive | January 4, 1987 | Dick Flock photograph / collection | 35mm color slide | Acquired by SOO Line in 1939, SW1 320 was sold to Great Lakes Coal & Dock in 1977 and worked at Saint Paul, Mn. for many years. After the shortline switching service ended, the locomotive was acquired by Independent Locomotive Services. Luckily, the historic diesel was donated and preserved at the Lake Superior Railroad Museum.