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
- 375 more...
- Itemimg804 - Great Northern Covered Hopper Car 171600 at Pasco, Washington, 1984
- Itemimg805 - Great Northern Covered Hopper Car 171613 at Denver, Colorado, 1967
- Itemimg806 - Great Northern Covered Hopper Car 171636 at McCook, Nebraska, 1990
- Itemimg807 - Great Northern Covered Hopper Car 171636 at McCook, Nebraska, 1990
- Itemimg808 - Great Northern Covered Hopper Car 171636 at McCook, Nebraska, 1990
- Itemimg809 - Great Northern Covered Hopper Car 171638 at Pasco, Washington, 1983
- Itemimg810 - Great Northern Covered Hopper Car 171641 at Pasco, Washington, 1981
- Itemimg811 - Great Northern Covered Hopper Car 171721 at Denver, Colorado, 1990
- Itemimg812 - Great Northern Covered Hopper Car 171721 at Albuquerque, New Mexico, 1990
- 135 more...