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 3005 - Signals and Signs
- 17 more...
- ItemJMF04-02418.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02419.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02420.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02421.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02422.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02423.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02424.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02425.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02426.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- 45 more...