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
- 6352 more...
- ItemBB028101 - Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028102 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028103 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028104 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame/Girder, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028105 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028106 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028107 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028108 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Flange, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028109 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 1367 more...