Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2004 - Railroad Tracks
- Subseries Level 3001 - Railroad mainline
- 4 more...
- ItemJMF04-02860.0 - Northern Pacific switchback at Stampede Pass, Washington Territory, circa 1887.
- ItemJMF04-02868.0 - Northern Pacific mainline at Stampede Pass, Washington Territory, in 1887.
- ItemJMF04-02869.0 - Northern Pacific mainline at Stampede Pass, Washington Territory, in 1887.
- ItemJMF04-02899.0 - Wilkeson, Washington, circa 1910.
- ItemJMF04-02899.2 - Wilkeson, Washington, circa 1910.
- ItemJMF04-02900.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- ItemJMF04-02901.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- ItemJMF04-02902.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- ItemJMF04-03034.0 - Northern Pacific mainline at Tacoma, Washington, in 1928.
- 8 more...