Northern Pacific 53.5-foot, flat car number 62873 with a load of rail on a siding at St. Joseph, Missouri, in July 1990. The car is part of the 62700-62949 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 89-foot, flat car number 66900 in a yard at Bellingham, Washington, on February 15, 1993. The car is part of the 66900-66919 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific boxcar 37423, at Pasco, Washington, June 1969.

Northern Pacific boxcar 49028, at Pasco, Washington, June 1969.

Northern Pacific covered hopper 76494, at Pasco, Washington, June 1969.

Northern Pacific boxcar 97767, at Pasco, Washington, June 1969.

Northern Pacific 41.5-foot, solid-bottom, gondola car number 59440 in a train at Denver, Colorado, on September 2, 1973. The car is part of the 59000-59499 number series. Photo by GJ Werkema. Other subject classes: freight car, steel gondola car

Northern Pacific 41.5-foot, open hopper car number 85132 in a siding at Belen, New Mexico, on September 17, 1989. The car is part of the 85100-85499 number series. Photo by GJ Werkema. Other subject classes: frieght car, open hopper car, Hopper

Northern Pacific 36-foot, 2-bay, covered hopper car number 75479 on a siding at Pasco, Washington, on September 5, 1990. The car is part of the 75474-75498 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 52-foot, 3-bay, covered hopper car number 76326 in a train at Pasco, Washington, on June 23, 1983. The car is part of the 76300-76399 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car