Northern Pacific 50-foot boxcar 3986, a sliding and plug door car from the 3882-3999 series is pictured in the yard at Albuquerque, New Mexico, on July 10, 1972. 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

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 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 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 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 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 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 40.5-foot, box car number 9132 with plug and sliding doors is on a siding at Albuquerque, New Mexico, on June 23, 1978. The car is part of the 8850-9148 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 40.5-foot, box car number 8969 with plug and sliding doors is in a yard at Albuquerque, New Mexico, on June 10, 1978. The car is part of the 8850-9148 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car