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
- 345 more...
- 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
- Itemimg777 - Great Northern Covered Hopper Car 171196 at Pasco, Washington, 1981
- Itemimg778 - Great Northern Covered Hopper Car 171222 at Pasco, Washington, 1981
- Itemimg779 - Great Northern Covered Hopper Car 171228 at Pasco, Washington, 1992
- Itemimg780 - Great Northern Covered Hopper Car 171263 at Denver, Colorado, 1972
- Itemimg781 - Great Northern Covered Hopper Car 171263 at Albuquerque, New Mexico, 1976
- Itemimg782 - Great Northern Covered Hopper Car 171277 at Amarillo, Texas, 1979
- 165 more...