National Railway Supply (NRS) Corporation passenger car 55 being switched by Chicago Northwestern (CNW) diesel locomotive 5501 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, diesel locomotive

National Railway Supply (NRS) Corporation passenger car 55 being switched by Chicago NorthWestern (CNW) locomotives CNW 5504 and 5501 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, diesel locomotive

National Railway Supply (NRS) Corporation passenger car 55 with Norfolk & Western caboose 555071 at the end of a freight train at Chicago, Illinois on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, freight train, caboose

Indiana Harbor Belt Railroad diesel locomotives 8834, 8791 and 8817 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Indiana Harbor Belt Railroad diesel locomotive 8834 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Indiana Harbor Belt Railroad diesel locomotive 8817 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Indiana Harbor Belt Railroad diesel locomotive 8791 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Illinois Terminal Railroad Company diesel locomotive number 2294, an Electro Motive Division (EMD) SW1500, at Calumet, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.

Illinois Northern Railway Alco S-4 diesel locomotive number 30, circa 1970 at an unknown location Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.

Illinois Northern Railway Alco S-4 diesel locomotive number 30, circa 1970 at an unknown location. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.