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
- 5377 more...
- ItemBB020473 - Northern Pacific Engineering Drawing: Abutment/Pier/Bridge Layout, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020474 - Northern Pacific Engineering Drawing: Abutment Number 1, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020475 - Northern Pacific Engineering Drawing: Abutment Number 1 Details, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020476 - Northern Pacific Engineering Drawing: Abutment Number 7, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020477 - Northern Pacific Engineering Drawing: Abutment Number 7 Details, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020478 - Northern Pacific Engineering Drawing: Pier Number 2, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020479 - Northern Pacific Engineering Drawing: Pier Number 3, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020480 - Northern Pacific Engineering Drawing: Pier Number 4, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- ItemBB020481 - Northern Pacific Engineering Drawing: Pier Number 5, Bridge 9.46 - I-90, South of Wilburton, Washington, undated
- 2342 more...