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
- 6263 more...
- ItemBB028012 - Northern Pacific Engineering Drawing: Shop Plan - Stringers, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028013 - Northern Pacific Engineering Drawing: Shop Plan - Port/Bracket, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028014 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028015 - Northern Pacific Engineering Drawing: Shop Plan - Strut, etc., Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028016 - Northern Pacific Engineering Drawing: Shop Plan - Strut, etc., Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028017 - Northern Pacific Engineering Drawing: Shop Plan - Strut, etc., Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028018 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028019 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028020 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 1456 more...