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
- 3561 more...
- ItemBB018147 - Northern Pacific Engineering Drawing: Shop Plan - Waterproofing Guard, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018148 - Northern Pacific Engineering Drawing: Shop Plan - Brackets, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018149 - Northern Pacific Engineering Drawing: Repair to Dam Cols, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018150 - Northern Pacific Engineering Drawing: Handrails, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018151 - Northern Pacific Engineering Drawing: Plan of Lights, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018153 - Northern Pacific Engineering Drawing: Abutment Details, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- ItemBB018154 - Northern Pacific Engineering Drawing: Abutment Details, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- ItemBB018155 - Northern Pacific Engineering Drawing: Wing Wall Details, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- ItemBB018156 - Northern Pacific Engineering Drawing: Slab Details, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- 4158 more...