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
- 3564 more...
- 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
- ItemBB018157 - Northern Pacific Engineering Drawing: Pier Enclosure/Slab Foundation, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- ItemBB018158 - Northern Pacific Engineering Drawing: Reinforcing Bars, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- ItemBB018159 - Northern Pacific Engineering Drawing: Deck Waterproofing, Bridge 1.1 - 4th Avenue, Spokane, Washington, undated
- 4155 more...