Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Cyfres004 - Northern Pacific Railroad Company
- Is-gyfres014 - Photographs
- 004 - Railroad Tracks
- 001 - Railroad mainline
- 3 mwy...
- EitemJMF04-02856.0 - Description of Northern Pacific switchback at Stampede Pass, Washington Territory, in 1887.
- EitemJMF04-02860.0 - Northern Pacific switchback at Stampede Pass, Washington Territory, circa 1887.
- EitemJMF04-02868.0 - Northern Pacific mainline at Stampede Pass, Washington Territory, in 1887.
- EitemJMF04-02869.0 - Northern Pacific mainline at Stampede Pass, Washington Territory, in 1887.
- EitemJMF04-02899.0 - Wilkeson, Washington, circa 1910.
- EitemJMF04-02899.2 - Wilkeson, Washington, circa 1910.
- EitemJMF04-02900.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- EitemJMF04-02901.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- EitemJMF04-02902.0 - Former Northern Pacific track at Carbonado/Wllkeson, Washington, in 1974.
- 9 mwy...