Burlington Northern diesel locomotive 9993 at Chicago, Illinois, on August 28, 1972. Number 9993, an ex-Burlington Route E9A, is leading a commuter train. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive.

Burlington Northern diesel locomotive 9993, formerly Chicago, Burlington and Quincy 9993, at Chicago, Illinois, on August 28, 1972. Number 9993 is an E9A built by General Motors Electro Motive Division (EMD), builder's number 19632. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 9993, formerly Chicago, Burlington and Quincy 9993, at Chicago, Illinois, on August 28, 1972. Number 9993 is an E9A built by General Motors Electro Motive Division (EMD), builder's number 19632. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 9993, formerly Chicago, Burlington and Quincy 9993, at Chicago, Illinois, on August 28, 1972. Number 9993 is an E9A built by General Motors Electro Motive Division (EMD), builder's number 19632. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern GP39-2 Number 2719 at Cicero, Illinois on April 4, 1981. Number 2719 was built by Electro-Motive Division (EMD) in March 1981. Builder Number 806037-20. It became BNSF Number 2719. Photo by Mike Abalos.

Burlington Northern NW2 Number 539, former Chicogo, Burlington and Quincy Number 9242, in Aurora, Illinois in March, 1976.

A train master on duty at a Chicago & North Western Railway control tower at Proviso, Illinois, on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: building

Chicago & North Western Railway diesel locomotive 4144 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago & North Western Railway diesel locomotive 4257 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive