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
- 38 more...
- 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.
- ItemJMF04-02841.0 - Northern Pacific bridges number 24 and 26 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02842.0 - Northern Pacific bridges number 27 and 30 at Stampede Pass, Washington Territory, 1887.
- ItemJMF04-02843.0 - Northern Pacific bridge number 32 at Stampede Pass, Washington Territory, 1887.
- 32 more...