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
- 3189 more...
- ItemBB017766 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 12 - Van Sycle Creek, South of Zangar Junction, Washington, undated
- ItemBB017767 - Northern Pacific Engineering Drawing: Revision Wing Walls, Bridge 41, Washington, undated
- ItemBB017768 - Northern Pacific Engineering Drawing: Revision Wing Walls, Bridge 41, Washington, undated
- ItemBB017770 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 41, Washington, undated
- ItemBB017771 - Northern Pacific Engineering Drawing: Concrete Abutment, Bridge 41, Washington, undated
- ItemBB017772 - Northern Pacific Engineering Drawing: 25 Foot Girder Beam Span - Sketch, Bridge 41, Washington, undated
- ItemBB017773 - Northern Pacific Engineering Drawing: Shop Plan - 25 Foot Girder, Bridge 41, Washington, undated
- ItemBB017774 - Northern Pacific Engineering Drawing: Detail Angle A1, Bridge 41, Washington, undated
- ItemBB017775 - Northern Pacific Engineering Drawing: Cut List of Bars, Bridge 41, Washington, undated
- 4530 more...