Northern Pacific Sleeper Number 363, at Chicago, Illinois, May 1966..

National Railway Supply (NRS) Corporation passenger car 55 with Norfolk & Western caboose 555071 at the end of a freight train at Chicago, Illinois on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, freight train, caboose

Great Northern Railway Postal Car 275, Baggage/Express/Storage Mail Car at Chicago, Illinois in 1970 Big Sky Blue color scheme. Other subject classes: Baggage/Express/Storage Mail Car, Postal Car

Great Northern Railway Passenger Car 1392, Full-length Great Dome Lounge Car at Chicago, Illinois in 1970. Big Sky Blue color scheme. Other subject classes: Dome Lounge, Passenger car

Great Northern Railway Passenger Car 1373, sleeper in Big Sky Blue color scheme at Chicago, Illinois in 1970. Other subject classes: Sleeper, Passenger car

Great Northern Railway Passenger Car 1329, Vista Great Dome Car at Chicago, Illinois in 1969. Big Sky Blue color scheme. Other subject classes: Dome Coach, Passenger car

Great Northern Railway Passenger Car 1325, Vista Great Dome Car at Chicago, Illinois in 1970. Big Sky Blue color scheme. Other subject classes: Dome Coach, Passenger car

Great Northern Railway Passenger Car 1324, Vista Great Dome Car at Chicago, Illinois in 1970. Big Sky Blue color scheme. Other subject classes: Dome Coach, Passenger car

Great Northern Railway Passenger Car 1252, at Chicago, Illinois in 1970. Big Sky Blue color scheme. Other subject classes: Diner, Passenger car

Great Northern Railway Passenger Car 1194, Coulee series observation car at Chicago, Illinois in 1967. Other subject classes: Observation, Passenger car

Great Northern Railway Passenger Car 1123, coach at Chicago, Illinois in 1972. Big Sky Blue color scheme. Other subject classes: Coach, Passenger car

Great Northern Railway Baggage Car 1201, Baggage-Dormitory Car in Big Sky Blue color scheme at Chicago, Illinois in 1972. Other subject classes: Baggage Car

Great Northern Diner 1254, "Lake Minnetonka" at Chicago, Illinois, October, 1968.

Great Northern Full Dome 1394,"Prairie View", at Chicago, Illinois, October 1969.

Great Northern Dome Passenger Car 1329, at Chicago, Illinois, undated.

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 9940 at Chicago, Illinois, on August 28, 1972. Number 9940 is leading a commuter train. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive.

Burlington Northern diesel locomotive 9938 at Chicago, Illinois, on August 26, 1972. Number 9938, 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 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.