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
- 339 more...
- 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
- Itemimg773 - Great Northern Covered Hopper Car 171133 at Amarillo, Texas, 1980
- Itemimg774 - Great Northern Covered Hopper Car 171151 at Albuquerque, New Mexico, 1979
- Itemimg775 - Great Northern Covered Hopper Car 171152 at McCook, Nebraska, 1990
- Itemimg776 - Great Northern Covered Hopper Car 171168 at N. Garcia, New Mexico, 1991
- 171 more...