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

Northern Pacific boxcar 36259, at Sprague, Washington, June 1967.

Northern Pacific boxcar 31569, at Milford, Nebraska, August 1970.

Northern Pacific boxcar 3155, at Kewanee, Illinois, August 1973.

Northern Pacific boxcar 28826, at Ottumwa, Iowa, August 1973.

Northern Pacific boxcar 28567, at Mendota, Illinois, August 1973.

Northern Pacific boxcar 28517, at Ellensburg, Washington, June 1967.

Northern Pacific boxcar 28306, at Ottumwa, Iowa, June 1972.

Northern Pacific boxcar 28177, at Silver Creek, New York, June 1967.

Northern Pacific boxcar 27589, at Mount Vernon, Illinois, August 1973.

Northern Pacific boxcar 25973, at Hornell, New York, April 1973.

Northern Pacific boxcar 1755, at Sprague, Washington, June 1967.

Northern Pacific boxcar 16696, at Amarillo, Texas, August 1973.

Northern Pacific boxcar 1379, at Ritzville, Washington, June 1968.

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

Northern Pacific flat car 63020 at Bellingham, Washington with stakes and pole load in Northern Pacific yard. Other subject categories: Car-Freight, Car-Flat, Freight, Car-Load

Northern Pacific 53.5-foot, flat car number 62853 in a yard at Denver, Colorado, on September 15, 1982. 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 62467 loaded with heavy equipment in a yard at Albuquerque, New Mexico, on May 21, 1980. The car is part of the 62300-62494 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 54-foot, flat car number 62475 in a train at Pasco, Washington, on October 1, 1971. The car is part of the 62300-62494 number series. Photo by GJ Werkema. Other subject classes: freight car, flat car