Amtrak diesel locomotive 308 at Chicago, Illinois on August 28, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Belt Railway of Chicago number 534, an Electro-Motive Division (EMD) SW-1500 diesel locomotive with a transfer caboose switches dome-car Milwaukee 55 at Chicago, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , caboose, dome-coach car.

Belt Railway of Chicago diesel locomotive, number 534 switching at Chicago, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.

Belt Railway of Chicago number 534, an Electro-Motive Division (EMD) SW-1500 diesel locomotive switching cars at Chicago, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Belt Railway of Chicago numbers 603 and 605, Alco mainline diesel locomotives arrive with a caboose at Chicago, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, steel caboose.

Belt Railway of Chicago numbers 605 and 603, Alco mainline diesel locomotives at Chicago, Illinois, on July 25, 1986, coupled to its train with dome-coach passenger car Milwaukee number 55. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , dome-coach car.

Burlington Northern diesel locomotive 231, formerly Chicago, Burlington and Quincy 9273, at Chicago, Illinois, on August 28, 1972. Number 231 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 20545. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, railroad crew.

Burlington Northern diesel locomotive 232 at Chicago, Illinois, on August 28, 1972. Number 232 is switching passenger cars at the Chicago yard. The Baltimore and Ohio Homestead car is next to the switcher. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, passenger car.

Burlington Northern diesel locomotive 232, formerly Chicago, Burlington and Quincy 9274, at Chicago, Illinois, on August 28, 1972. Number 232 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 20546. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5759 at Chicago, Illinois, on August 26, 1972. Number 5759 is a U33C built by General Electric, builder's number 37996. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.