Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3003 - Freight Cars
- 335 more...
- Itemimg764 - Great Northern Covered Hopper Car 171035 at Walsenburg, Colorado, 1990
- Itemimg765 - Great Northern Covered Hopper Car 171036 at Amarillo, Texas, 1979
- Itemimg766 - Great Northern Covered Hopper Car 171036 at Amarillo, Texas, 1979
- Itemimg767 - Great Northern Covered Hopper Car 171038 at Denver, Colorado, 1990
- Itemimg768 - Great Northern Covered Hopper Car 171057 at Idaho Falls, Idaho, 1975
- Itemimg769 - Great Northern Covered Hopper Car 171078 at Albuquerque, New Mexico, 1988
- Itemimg770 - Great Northern Covered Hopper Car 171103 at Monroe, Washington, 1987
- Itemimg771 - Great Northern Covered Hopper Car 171103 at Monroe, Washington, 1987
- Itemimg772 - Great Northern Covered Hopper Car 171105 at Belen, New Mexico, 1981
- 175 more...