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 boxcar 97767, at Pasco, Washington, June 1969.

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

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

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

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 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 54-foot, flat car number 62475 in a train at Pasco, Washington, in October, 1971. The car is part of the 62300-62494 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific fire car 796, an ex-steam locomotive tender, next to the roundhouse at Pasco, Washington on May 11, 1982. Other subject classes: Car-fire

Northern Pacific fire car 796, an ex-steam locomotive tender, next to the roundhouse at Pasco, Washington on May 11, 1982. Other subject classes: Car-fire