Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Cyfres001 - Burlington Northern Railroad Company
- Is-gyfres014 - Photographs
- 003 - Railroads--Buildings and Structures
- 001 - Bridges
- 7 mwy...
- EitemJMF04-02965.0 - Burlington Northern bridge at Tacoma, Washington, in 1970.
- EitemJMF04-02966.0 - Burlington Northern bridge at Tacoma, Washington, in 1970.
- EitemJMF17-12905.0 - Burlington Northern bridge at Everson, Washington in 1981.
- EitemJMF17-12905.1 - Burlington Northern bridge at Everson, Washington in 1981.
- EitemJMF17-12905.2 - Burlington Northern bridge at Everson, Washington in 1981.
- EitemJMF17-12905.3 - Burlington Northern bridge at Everson, Washington in 1981.
- EitemJMF17-12783.0 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- EitemJMF17-12783.1 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- EitemJMF17-12783.2 - Burlington Northern bridge at New Westminster, British Columbia in 1976.
- 2 mwy...