Northern Pacific stock car 82713 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 41.5-foot, open hopper car number 87546 on a siding at Denver, Colorado, on October 15, 1989. The car is part of the 87500-87749 number series. Photo by GJ Werkema. Other subject classes: frieght car, open hopper car, 77T Ballast Hopper

Northern Pacific 41.5-foot, gondola car number 58299 in a siding at Denver, Colorado, in October 1974. The car is part of the 58250-58749 number series. Photo by GJ Werkema. Other subject classes: freight car, steel gondola 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 box car 1125 in a cut of freight cars in March 1975 in Broomfield, Colorado. Box car NP 1125 was built by the NP Car Shops in Brainerd, Minnesota in 1950 as part of the 31000-31499 50-foot box car series. In 1955, NP 1125 was one of 150 cars that had Evans DF Loader Systems installed, given a green with white strip paint scheme, and renumbered to 1100-1249. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Great Northern Hopper Car 78015 at Broomfield, Colorado, September 16, 1989, Association of American Railroads Class MWB. Other subject classes: Hopper car

Great Northern Hopper Car 70439 at Broomfield, Colorado, January 7, 1990, Association of American Railroads Class HT. Other subject classes: Hopper car

Great Northern Hopper Car 70410 at Broomfield, Colorado, October 28, 1989, Association of American Railroads Class HT. Other subject classes: Hopper car

Great Northern Gondola 78782 at Broomfield, Colorado, September 20, 1976, Association of American Railroads Class GB. Other subject classes: Gondola

Great Northern Covered Hopper Car 170214 at Broomfield, Colorado, January 7, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car