Northern Pacific boxcar 1213, at Spokane, Washington, June 1967.

Northern Pacific gondola 119898, at Cle Elum, Washington, June 1967.

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 60-foot, flat car number 66166 in a train at Broomfield, Colorado, on February 24, 1990. The car is part of the 66100-66244 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 60-foot, flat car number 66145 loaded with wrapped lumber in a yard at Albuquerque, New Mexico, in December 29, 1978. The car is part of the 66100-66244 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 60-foot, flat car number 66133 in a train at Albuquerque, New Mexico, in May 13, 1979. The car is part of the 66100-66244 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 60-foot, flat car number 66126 in a yard at Denver, Colorado, in January 6, 1990. The car is part of the 66100-66244 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 60-foot, flat car number 66118 in a yard at Albuquerque, New Mexico, on May 25, 1978. The car is part of the 66100-66244 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car

Northern Pacific 53.5-foot, flat car number 65001 equipped to carry highway trailers in a yard at Denver, Colorado, in August 1973. The car is part of the 65000-65059 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car, TOFC

Northern Pacific 54-foot, flat car number 62783 in a train at Pasco, Washington, on October 1, 1971. The car is part of the 62700-62949 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car