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
- 118 more...
- ItemChristianson000039 - Burlington Northern Diesel Locomotive Number 138 at Saint Paul, Minnesota In 1979
- ItemChristianson000040 - Burlington Northern Diesel Locomotive Number 141 and Burlington Northern Business Cars Como and Lake Superior at Minneapolis, Minnesota In 1982
- ItemChristianson000041 - Burlington Northern Diesel Locomotive Number 141 at Saint Paul, Minnesota In 1979
- ItemChristianson000042 - Burlington Northern Diesel Locomotive Number 141 and Two Burlington Northern Business Cars at Minneapolis, Minnesota In 1982
- ItemChristianson000043 - Burlington Northern Diesel Locomotive Number 158 at Saint Paul, Minnesota In 1979
- ItemChristianson000044 - Burlington Northern Diesel Locomotive Number 158 at Saint Paul, Minnesota In 1979
- ItemChristianson000045 - Burlington Northern Diesel Locomotive Number 159 at Minneapolis, Minnesota In 1981
- ItemChristianson000046 - Burlington Northern Diesel Locomotive Number 161 at Denver, Colorado In 1981
- ItemChristianson000047 - Burlington Northern Diesel Locomotive Number 170 at Minneapolis, Minnesota In 1979
- 78 more...