Great Northern Covered Hopper Car 171035 at Walsenburg, Colorado, March 26, 1990, Association of American Railroads Class LO, cylindrical. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171036 at Amarillo, Texas, July 18, 1979, Association of American Railroads Class LO, cylindrical. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171036 at Amarillo, Texas, July 18, 1979, Association of American Railroads Class LO, cylindrical. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171038 at Denver, Colorado, April 14, 1990, Association of American Railroads Class LO, cylindrical. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171057 at Idaho Falls, Idaho, August 19, 1975, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171078 at Albuquerque, New Mexico, June 19, 1988, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171103 at Monroe, Washington, April 4, 1987, Association of American Railroads Class LO, roof view of hatches. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171103 at Monroe, Washington, April 4, 1987, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171105 at Belen, New Mexico, May 17, 1981, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171133 at Amarillo, Texas, August 6, 1980, Association of American Railroads Class LO, high angle view. Other subject classes: Covered hopper car