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 3002 - Diesel Locomotives
- 165 more...
- Itemimg402 - Great Northern Diesel Locomotive 682 at Lewistown, Montana, 1965
- Itemimg403 - Great Northern Diesel Locomotive 682 at Spring Creek Jct., Montana, 1965
- Itemimg404 - Great Northern Diesel Locomotive 682 at Spring Creek Jct., Montana, 1965
- Itemimg405 - Great Northern Diesel Locomotive 682 at Kolin, Montana, 1965
- Itemimg406 - Great Northern Diesel Locomotive 682 at Kolin, Montana, 1965
- Itemimg407 - Great Northern Diesel Locomotive 682 at Kolin, Montana, 1965
- Itemimg408 - Great Northern Diesel Locomotive 682 at Benchland, Montana, 1965
- Itemimg409 - Great Northern Diesel Locomotive 682 at Benchland, Montana, 1965
- Itemimg41 - Great Northern Diesel Locomotive 359C at Saint Paul, Minnesota, 1967
- 54 more...