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 3007 - Tunnels
- ItemJMF04-02756.0 - Burlington Northern station at Martin, Washington, circa 1987.
- ItemJMF17-12880.0 - Burlington Northern Railway Cascade Tunnel at Berne, Washington in 1987.