Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Série004 - Northern Pacific Railroad Company
- Sous-série014 - Photographs
- 003 - Railroad Buildings and Structures
- 002 - Depots and Freighthouses
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- PièceJMF04-02714.0 - Northern Pacific station at Martin, Washington, circa 1912.
- PièceJMF04-02715.0 - Northern Pacific station at Martin, Washington, circa 1912.
- PièceJMF04-02718.0 - Northern Pacific station at Martin, Washington, circa 1916.
- PièceJMF04-02735.0 - Northern Pacific out house at Martin, Washington, in 1945.
- PièceJMF04-02741.0 - Northern Pacific tracks at Martin, Washington, circa 1920.
- PièceJMF04-02742.0 - Northern Pacific tracks at Martin, Washington, circa 1920.
- PièceJMF04-02743.0 - Northern Pacific tracks at Martin, Washington, circa 1930.
- PièceJMF04-02744.0 - Northern Pacific Stampede Tunnel at Martin, Washington, circa 1948.
- PièceJMF04-02751.0 - Northern Pacific station at Martin, Washington, in 1961.
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