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
- 6245 more...
- ItemBB027994 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB027995 - Northern Pacific Engineering Drawing: Shop Plan - End Posts, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB027996 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB027997 - Northern Pacific Engineering Drawing: Shop Plan - Chord/Plates, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB027998 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB027999 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 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
- 1474 more...