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
- 5430 more...
- ItemBB020526 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020527 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020528 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020529 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020530 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020531 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020532 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020533 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020534 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- 2289 more...