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
- 6887 more...
- ItemBB028857 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028858 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028859 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028860 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028861 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028862 - Northern Pacific Engineering Drawing: Shop Plan - Rearrangement, Bridge 81 - Cowlitz River, South of Vader, Washington, 1911
- ItemBB028863 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028864 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028865 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 832 more...