Railroad Archives Online
- FondD0011 - James M. Fredrickson Collection
- Sorozat004 - Northern Pacific Railroad Company
- Alsorozat014 - Photographs
- 003 - Railroad Buildings and Structures
- 002 - Depots and Freighthouses
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- IratdarabJMF04-02922.0 - Northern Pacific station at Lowell, Washington, circa 1940.
- IratdarabJMF04-02923.0 - Northern Pacific station at Lowell, Washington, circa 1940.
- IratdarabJMF04-02923.1 - Northern Pacific station at Lowell, Washington, in 1928.
- IratdarabJMF04-02924.0 - Northern Pacific station at Everett, Washington, in 1967.
- IratdarabJMF04-02924.1 - Northern Pacific station at Everett, Washington, in 1967.
- IratdarabJMF04-02926.0 - Northern Pacific station at Snohomish, Washington, in 1967.
- IratdarabJMF04-02927.0 - Northern Pacific station at Machias, Washington, in 1928.
- IratdarabJMF04-02928.0 - Northern Pacific station at Machias, Washington, circa 1920.
- IratdarabJMF04-02929.0 - Northern Pacific telegraph operator at Machias, Washington, circa 1920.
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