Amtrak diesel locomotive 305 at Galesburg, Illinois on August 29, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 305 at Galesburg, Illinois on August 29, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

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 121, formerly Chicago, Burlington and Quincy 9255, at Clyde, Illinois, on August 26, 1972. Number 121 is an SW7 built by General Motors Electro Motive Division (EMD), builder's number 8499. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.