Railroad Archives Online
- CollectionD0504b - Al Christianson Collection - Friends of the Burlington Northern Railroad
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 423 more...
- ItemChristianson000503 - Burlington Northern Diesel Locomotive 6776 at Minneapolis, Minnesota in 1980
- ItemChristianson000504 - Burlington Northern Diesel Locomotive 6779 at Minneapolis, Minnesota in 1980
- ItemChristianson000505 - Burlington Northern Diesel Locomotive 6782 at Minneapolis, Minnesota in 1981
- ItemChristianson000506 - Burlington Northern Diesel Locomotive 6788 at Saint Paul, Minnesota in 1981
- ItemChristianson000507 - Burlington Northern Diesel Locomotive 6799 at Minneapolis, Minnesota in 1981
- ItemChristianson000508 - Burlington Northern Diesel Locomotive 6799 at Minneapolis, Minnesota in 1981
- ItemChristianson000509 - Burlington Northern Diesel Locomotive 6799 at Minneapolis, Minnesota in 1981
- ItemChristianson000510 - Burlington Northern Diesel Locomotive 6805 at Minneapolis, Minnesota in 1981
- ItemChristianson000511 - Burlington Northern Diesel Locomotive 6810 at Saint Paul, Minnesota in 1981
- 127 more...