Great Northern Covered Hopper Car 170243 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171152 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171636 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171636 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 171636 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 172461 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car

Great Northern Covered Hopper Car 172462 at McCook, Nebraska, July 26, 1990, Association of American Railroads Class LO. Other subject classes: Covered hopper car