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 3001 - Bridges
- 35 more...
- ItemJMF04-02832.0 - Northern Pacific bridge number 8 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02833.0 - Northern Pacific bridge number 9 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02834.0 - Northern Pacific bridge number 10 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02835.0 - Northern Pacific bridge number 11 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02836.0 - Northern Pacific bridge number 16 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02837.0 - Northern Pacific bridge number 17 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02838.0 - Northern Pacific construction train at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02839.0 - Northern Pacific construction train at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02840.0 - Northern Pacific bridge number 21 at Stampede Pass, Washington Territory, in 1887.
- 35 more...