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
- 372 more...
- ItemChristianson000427 - Burlington Northern diesel locomotive 5750 at Saint Paul, Minnesota in 1979
- ItemChristianson000428 - Burlington Northern diesel locomotive 5754 at Minneapolis, Minnesota in 1979
- ItemChristianson000429 - Burlington Northern diesel locomotive 5764 at Saint Paul, Minnesota in 1980
- ItemChristianson000430 - Burlington Northern diesel locomotive 5764 at Saint Paul, Minnesota in 1980
- ItemChristianson000431 - Burlington Northern diesel locomotive 5812 in 1981
- ItemChristianson000432 - Burlington Northern diesel locomotive 5812 in 1981
- ItemChristianson000433 - Burlington Northern diesel locomotive 5812 in 1981
- ItemChristianson000434 - Burlington Northern diesel locomotive 5839 at Omaha, Nebraska in 1979
- ItemChristianson000435 - Burlington Northern diesel locomotive 5944 at Fergus Falls, Minnesota in 1979
- 178 more...