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
- 303 more...
- ItemChristianson000174 - Burlington Northern Diesel Locomotives Numbers 993 and 995 at Gwinner, North Dakota in Feb 1981
- ItemChristianson000175 - Burlington Northern Diesel Locomotive Number 995 at Wyndmere, North Dakota in 1981
- ItemChristianson000401 - Burlington Northern Diesel Locomotive Number 530 at Monmouth, Illinois in 1979
- ItemChristianson000402 - Burlington Northern Diesel Locomotive Number 5304 in 1981
- ItemChristianson000403 - Burlington Northern Diesel Locomotive Number 5304 in 1981
- ItemChristianson000404 - Burlington Northern Diesel Locomotive Number 5362 at Fort Worth, Texas in 1981
- ItemChristianson000405 - Burlington Northern Diesel Locomotive Number 5378 at Fort Worth, Texas in 1981
- ItemChristianson000406 - Burlington Northern Diesel Locomotive Number 5399 at Minneapolis, Minnesota in 1980
- ItemChristianson000407 - Burlington Northern Diesel Locomotive Number 5399 at Minneapolis, Minnesota in 1980
- 247 more...