Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2222 more...
- ItemBB016667 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016668 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016669 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016670 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016671 - Northern Pacific Engineering Drawing: Shop Plan - End Post, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016672 - Northern Pacific Engineering Drawing: Shop Plan - Hanger/Post, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016673 - Northern Pacific Engineering Drawing: Shop Plan - Hanger/Diagonal, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016674 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016675 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- 5497 more...