Northern Pacific steel caboose 10141 in a train at Denver, Colorado, on May 17, 1970. The car is part of the 10100-10149 number series. Photo by GJ Werkema. Other subject classes: freight car, steel caboose

Northern Pacific stock car 82663 in a cattle loading facility at Denver, Colorado, on August 1971. The car is part of the 82500-82749 number series. Photo by GJ Werkema. Subject Classes: freight car, stock car

Northern Pacific tank car 102040 at the refueling facility at Denver, Colorado, on October 22, 1989. The car is in company fuel service. Photo by GJ Werkema. Other subject classes: freight car, tank car

Northern Pacific 41.5-foot, open hopper car number 87077 in a yard at Amarillo, Texas, on October 12, 1976. The car is part of the 87000-87499 number series. Photo by GJ Werkema. Other subject classes: frieght car, open hopper car, Rodgers Ballast car

TTX Corporation Autorack Car RTTX 903093 at Denver, Colorado, May 11, 1968, auto rack. Other subject classes: Autorack car

Western Fruit Express Refrigerator Car WFBX 71514 at Denver, Colorado, January 14, 1968. Other subject classes: Refrigerator car

Western Fruit Express Refrigerator Car WFBX 71817 at Denver, Colorado, February 27, 1966. Other subject classes: Refrigerator car

Western Fruit Express Refrigerator Car WFBX 71966 at Denver, Colorado, February 14, 1965. Other subject classes: Refrigerator car

Western Fruit Express Refrigerator Car WFCX 8342 at Denver, Colorado, February 27, 1966. Other subject classes: Refrigerator car

Western Fruit Express Refrigerator Car WHIX 70793 at Denver, Colorado, May 10, 1978. Other subject classes: Refrigerator car