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
- 363 more...
- Itemimg792 - Great Northern Covered Hopper Car 171404 at Albuquerque, New Mexico, 1978
- Itemimg793 - Great Northern Covered Hopper Car 171405 at Pasco, Washington, 1986
- Itemimg794 - Great Northern Covered Hopper Car 171414 at Albuquerque, New Mexico, 1978
- Itemimg795 - Great Northern Covered Hopper Car 171434 at Albuquerque, New Mexico, 1979
- Itemimg796 - Great Northern Covered Hopper Car 171434 at Albuquerque, New Mexico, 1980
- Itemimg797 - Great Northern Covered Hopper Car 171434 at Albuquerque, New Mexico, 1979
- Itemimg798 - Great Northern Covered Hopper Car 171533, undated
- Itemimg799 - Great Northern Covered Hopper Car 171536 at Pasco, Washington, 1983
- Itemimg800 - Great Northern Covered Hopper Car 171547 at Tacoma, Washington, 1988
- 147 more...