Consolidated Rail Corporation (Conrail) diesel locomotive 3073 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

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

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

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 full-dome passenger car 55 in a Chicago NorthWestern (CNW) switch job at Proviso, Illinois on July 26, 1986. Four CNW cabooses are in the consist. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, diesel locomotive, caboose

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