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
- 2234 more...
- ItemBB016679 - Northern Pacific Engineering Drawing: Shop Plan - End Flange Beam, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016680 - Northern Pacific Engineering Drawing: Shop Plan - End Flange Beam, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016681 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016682 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, etc., Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016683 - Northern Pacific Engineering Drawing: Shop Plan - Stringer/Cross Frame, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016684 - Northern Pacific Engineering Drawing: Shop Plan - Stringers, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016685 - Northern Pacific Engineering Drawing: Shop Plan - Stringer/Cross Frame, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016686 - Northern Pacific Engineering Drawing: Shop Plan - Stringer, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- ItemBB016687 - Northern Pacific Engineering Drawing: Shop Plan - Stringer/Frame, Bridge 114.1 - Clark Fork River, West of Bonner, Montana, undated
- 5485 more...