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
- 5817 more...
- ItemBB021546 - Northern Pacific Engineering Drawing: Bearing Details, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021547 - Northern Pacific Engineering Drawing: Cover Plate Details, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021548 - Northern Pacific Engineering Drawing: Joint/Bracket/Drawing Detail, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021549 - Northern Pacific Engineering Drawing: Miscellaneous Details, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021550 - Northern Pacific Engineering Drawing: Shoofly Layout, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021552 - Northern Pacific Engineering Drawing: Bar List, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021553 - Northern Pacific Engineering Drawing: Bar List, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021554 - Northern Pacific Engineering Drawing: Drainage/Grading, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021555 - Northern Pacific Engineering Drawing: Profile, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- 1902 more...