Northern Pacific refrigertor car 705092, at Joliet, Illinois, June 1972.

Northern Pacific boxcar 28567, at Mendota, Illinois, August 1973.

Northern Pacific Number 5620, a General Electric Type U25C, at Galesburg, Illinois, August 1973.

Norfolk & Western Railway freight train DC11 with Milwaukee dome car 55 at Calumet, Illinois on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: freight train

New York, Chicago and St. Louis Railroad (Nickel Plate Road) steam locomotive 206 at Chicago, Illinois on October 10, 1947. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

New York Central Railroad steam locomotive 6022 at Englewood, Illinois in September 1946. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

New York Central Railroad steam locomotive 5427 at Englewood, Illinois in September 1946. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

New York Central Railroad diesel locomotive 4004 at Englewood, Illinois in September 1946. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

New York Central Railroad steam locomotive 3135 at Englewood, Illinois in September 1946. Photo by J.M. Fredrickson. Other Subject Classes: steam 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