Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroad Buildings and Structures
- Subseries Level 3007 - Tunnels
- 2 more...
- ItemJMF04-02693.0 - Northern Pacific mainline at Stampede, Washington, circa 1918.
- ItemJMF04-02699.0 - Staff machine, circa 1914.
- ItemJMF04-02700.0 - Northern Pacific Stampede Tunnel at Stampede, Washington, in 1967.
- ItemJMF04-02701.0 - Northern Pacific Stampede Tunnel at Stampede, Washington, circa 1916.
- ItemJMF04-02713.0 - Northern Pacific Stampede Tunnel at Stampede, Washington, circa 1887.
- ItemJMF04-02713.1 - Northern Pacific construction train at Stampede, Washington, circa 1887.
- ItemJMF04-02713.2 - Northern Pacific construction train at Stampede, Washington, circa 1887.
- ItemJMF04-02716.0 - Northern Pacific Stampede Tunnel at Martin, Washington, circa 1944.
- ItemJMF04-02716.1 - Northern Pacific tunnel at Martin, Washington, circa 1944.
- 14 more...