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
- 5901 more...
- ItemBB025559 - Northern Pacific Engineering Drawing: Shop Plan - Drawings/Print, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025560 - Northern Pacific Engineering Drawing: Shop Plan - Span Lock, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025561 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025562 - Northern Pacific Engineering Drawing: Title Sheet, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025563 - Northern Pacific Engineering Drawing: General Plan/Elevation, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025564 - Northern Pacific Engineering Drawing: East Abutment 1, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025565 - Northern Pacific Engineering Drawing: Pier 2, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025566 - Northern Pacific Engineering Drawing: Pier 3, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- ItemBB025567 - Northern Pacific Engineering Drawing: Pier 4, Bridge 1 - Columbia River, West of Pasco, Washington, undated
- 1818 more...