Northern Pacific 50-foot, single plug door, insulated refrigerator car 96079 is in a siding at Yakima, Washington, on October 19, 1992. The car is part of the 96000-96199 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Northern Pacific 50-foot, single plug door, insulated refrigerator car 96079 is in a siding at Prosser, Washington, on June 26, 1980. The car is part of the 96000-96199 number series. Photo by GJ Werkema. Other subject classes: Car-Freight, Car-Box Steel

Northern Pacific 50-foot, single plug door, insulated refrigerator car 96069 is in a yard at Pasco, Washington, on February 14, 1981. The car is part of the 96000-96199 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Northern Pacific 50-foot, single plug door, insulated refrigerator car 96068 is in a yard at Albuquerque, New Mexico, on November 11, 1978. The car is part of the 96000-96199 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Northern Pacific 50-foot, single plug door, insulated refrigerator car 96017 is in a yard at Albuquerque, New Mexico, on June 13, 1992. The car is part of the 96000-96199 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Northern Pacific 50-foot, double sliding door box car 38501 is out of service up on blocks in Rushville, Missouri, on July 27, 1990. The car is part of the 38168-38667 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50.5-foot, double-door box car 390066 is in a yard at Bellingham, Washington, on August 3, 1982. The car is part of the 390000-390149 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50.5-foot, double-door box car 390044 is in a yard at Bellingham, Washington, on August 3, 1982. The car is part of the 390000-390149 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

The Northern Pacific crew of steam locomotive number 1682 sets out steel boxcar number 5195 on the 11th subdivision near Black River, Washington, circa 1925. Photo by J.A. Turner. Other Subject Classes: steel boxcar, railroad crew

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