Northern Pacific 40.5-foot, box car number 9197 with plug and sliding doors is on a siding at Albuquerque, New Mexico, on February 19, 1979. The car is part of the 9150-9200 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, outside braced wood, double-door box car number 4893 at Acme, Washington, on July 30, 1977. The car is part of the 4700 to 4999 series and used to carry green plywood. Photo by GJ Werkema. Other subject classes: freight car, wood box car,

Northern Pacific 50-foot, outside braced wood, double-door box car number 4899 at Acme, Washington, on July 30, 1977. The car is part of the 4700 to 4999 series and used to carry green plywood. Photo by GJ Werkema. Other subject classes: freight car, wood box car,

Northern Pacific 50-foot, box car number 5069 with plug and sliding doors and Burlington Northern box car number 238398 are pictured in a train traveling through Abo Canyon, New Mexico, on May 26, 1982. Photo by GJ Werkema. Other subject classes: freight car, steel box car, XM

Northern Pacific 50-foot, box car number 5332 with plug and sliding doors is in a yard at Albuquerque, New Mexico, on September 17, 1982. The car is part of the 5300-5699 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, box car number 5386 with waffle-sides and plug and sliding doors is in a yard at Albuquerque, New Mexico, on August 26, 1979. The car is part of the 5300-5699 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, box car number 5410 with waffle-sides and plug and sliding doors is in a yard at Albuquerque, New Mexico, in June 1980. The car is part of the 5300-5699 number series. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, box car number 5675 with waffle-sides and plug and sliding doors is in a yard at Albuquerque, New Mexico, on May 23, 1978. The car is part of the 5300-5699 number series. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, box car number 6322 with double-doors is in a yard at Albuquerque, New Mexico, on December 11, 1980. The car is part of the 6000-6499 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 50-foot, box car number 7836 with double-doors is in a yard at Albuquerque, New Mexico, on November 29, 1978. The car is part of the 7500-7899 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car