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
- 6251 more...
- ItemBB028000 - Northern Pacific Engineering Drawing: Shop Plan - Hanger/Plate, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028001 - Northern Pacific Engineering Drawing: Shop Plan - Struts, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028002 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028003 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028004 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028005 - Northern Pacific Engineering Drawing: Shop Plan - Posts, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028006 - Northern Pacific Engineering Drawing: Shop Plan - Posts, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028007 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028008 - Northern Pacific Engineering Drawing: Shop Plan - Lateral, etc., Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 1468 more...