Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3001 - Bridges
- 11 more...
- ItemJMF17-12905.2 - Burlington Northern bridge at Everson, Washington in 1981.
- ItemJMF17-12905.3 - Burlington Northern bridge at Everson, Washington in 1981.
- ItemJMF17-12783.0 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- ItemJMF17-12783.1 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- ItemJMF17-12783.2 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- ItemJMF17-12784.0 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- ItemJMF17-12707.0 - Burlington Northern bridge at Burr Canyon, Washington in 1981.