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 3009 - Equipment Servicing Facilities
- ItemJMF04-02302.1 - Northern Pacific coal bunkers at Tacoma, Washington, circa 1890.
- ItemJMF04-02508.0 - Northern Pacific coal bunkers at Tacoma, Washington, circa 1888.
- ItemJMF04-02808.0 - Northern Pacific engine house at Cle Elum, Washington Territory, in 1887.
- ItemJMF04-02821.0 - Northern Pacific water tank at Canyon Spur, Washington Territory, 1887.
- ItemJMF04-02920.0 - Northern Pacific coal dock at Bromart, Washington, circa 1956.
- ItemJMF04-03060.0 - Northern Pacific buildings at Kyro, Washington, circa 1927.
- 9 more...