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
- 171 more...
- 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
- Itemimg410 - Great Northern Diesel Locomotive 682 at Stanford, Montana, 1965
- Itemimg411 - Great Northern Diesel Locomotive 682 at Stanford, Montana, 1965
- Itemimg412 - Great Northern Diesel Locomotive 682 at Stanford, Montana, 1965
- Itemimg413 - Great Northern Diesel Locomotive 682 at Great Falls, Montana, 1965
- Itemimg414 - Great Northern Diesel Locomotive 369A at Great Falls, Montana, 1965
- Itemimg415 - Great Northern Diesel Locomotive 146 at Great Falls, Montana, 1965
- 48 more...