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
- 5530 more...
- ItemBB020626 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Stiffener, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020627 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Stiffener, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020628 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Stiffener, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020629 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Stiffener, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020630 - Northern Pacific Engineering Drawing: Shop Plan - Pan, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020631 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 27 - Highway 15, North of Woodinville, Washington, undated
- ItemBB020632 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 27 - Highway 15, North of Woodinville, Washington, undated
- ItemBB020633 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 27 - Highway 15, North of Woodinville, Washington, undated
- ItemBB020634 - Northern Pacific Engineering Drawing: General Plan, Bridge 1 - I - 5, East of Rye Junction, Washington, undated
- 2189 more...