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
- 15 more...
- ItemChristianson000023 - Burlington Northern Diesel Locomotive Number 5 in Minneapolis, Minnesota in 1981
- ItemChristianson000024 - Burlington Northern Diesel Locomotive Number 5 in Minneapolis, Minnesota in 1981
- ItemChristianson000025 - Burlington Northern Diesel Locomotive Number 80 in Minneapolis, Minnesota in 1980
- ItemChristianson000051 - Burlington Northern diesel locomotive Number 230 at Dubuque, Iowa in 1980
- ItemChristianson000052 - Burlington Northern diesel locomotive Number 245 at Crete, Nebraska in 1981
- ItemChristianson000053 - Burlington Northern diesel locomotive Number 247 at Sterling, Colorado in 1981
- ItemChristianson000054 - Burlington Northern diesel locomotive Number 305 at Minneapolis, Minnesota in 1979
- ItemChristianson000055 - Burlington Northern diesel locomotive Number 306 at Minneapolis Junction, Minnesota in 1982
- ItemChristianson000056 - Burlington Northern diesel locomotive Number 306 at Minneapolis Junction, Minnesota in 1982
- 44 more...