Chicago & North Western Railway diesel locomotive 5050 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago & North Western Railway diesel locomotive 5050 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

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

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

Burlington Northern diesel locomotive 5377 at Proviso, Illinois, on July 26, 1986. Number 5377, a U30C, is beside Chicago and North Western numbers 5074 and 5050. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5377 at Proviso, Illinois, on July 26, 1986. Number 5377 is a U30C built by General Electric, builder's number 39936. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5377 at Proviso, Illinois, on July 26, 1986. Number 5377 is a U30C built by General Electric, builder's number 39936. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.