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
- 5918 more...
- ItemBB025576 - Northern Pacific Engineering Drawing: Tower Anchorage, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025577 - Northern Pacific Engineering Drawing: Timber Protection, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025578 - Northern Pacific Engineering Drawing: Pier 2, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025579 - Northern Pacific Engineering Drawing: Pier 3, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025580 - Northern Pacific Engineering Drawing: Pier 4, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025581 - Northern Pacific Engineering Drawing: Pier 5, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025582 - Northern Pacific Engineering Drawing: Pier 6, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025583 - Northern Pacific Engineering Drawing: Pier 9, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025584 - Northern Pacific Engineering Drawing: Pier 10, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- 1801 more...