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
- 214 more...
- ItemChristianson000110 - Burlington Northern Diesel Locomotives 784, 717 and 733 at Minneapolis, Minnesota in 1980
- ItemChristianson000111 - Burlington Northern Diesel Locomotives 786 and 733 at Minneapolis, Minnesota in 1980
- ItemChristianson000112 - Burlington Northern Diesel Locomotives 786, 645 and 733 at Fergus Falls, Minnesota in 1980
- ItemChristianson000113 - Burlington Northern Diesel Locomotives 786 and 733 at Minneapolis, Minnesota in 1980
- ItemChristianson000114 - Burlington Northern Diesel Locomotives 786, 717 and 645 at Fergus Falls, Minnesota in 1980
- ItemChristianson000115 - Burlington Northern Diesel Locomotive 786 at Fergus Falls, Minnesota in 1980
- ItemChristianson000116 - Burlington Northern Diesel Locomotives 786, 783 and 2003 at Minneapolis, Minnesota in 1980
- ItemChristianson000117 - Burlington Northern Diesel Locomotive 788 at Minneapolis, Minnesota in 1981
- ItemChristianson000118 - Burlington Northern Diesel Locomotives 786, 783 and 2003 at Minneapolis, Minnesota in 1980
- 32 more...