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
- 2259 more...
- ItemBB016704 - Northern Pacific Engineering Drawing: Shop Plan - Bents, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016705 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016706 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016707 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016708 - Northern Pacific Engineering Drawing: Shop Plan - Lateral/Cross Frame, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016709 - Northern Pacific Engineering Drawing: Shop Plan - Bearings, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016710 - Northern Pacific Engineering Drawing: Shop Plan - Castings, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016711 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 59.1 - Hell Gate River, West of Phosphate, Montana, undated
- ItemBB016712 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 59.1 - Hell Gate River, West of Phosphate, Montana, undated
- 5460 more...