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
- 3588 more...
- ItemBB018175 - Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 1.2 - 5th Avenue, Spokane, Washington, undated
- ItemBB018176 - Northern Pacific Engineering Drawing: General Plan, Bridge 1.2 - 5th Avenue(Shoofly), Spokane, Washington, undated
- ItemBB018177 - Northern Pacific Engineering Drawing: General Details, Bridge 1.2 - 5th Avenue, Spokane, Washington, undated
- ItemBB018178 - Northern Pacific Engineering Drawing: S End/Washington Street Arch, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018179 - Northern Pacific Engineering Drawing: Reinforcement Concrete Arch, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018180 - Northern Pacific Engineering Drawing: South End/East Abutment, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018181 - Northern Pacific Engineering Drawing: Washington Street Arch, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018182 - Northern Pacific Engineering Drawing: South End/West Abutment, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018183 - Northern Pacific Engineering Drawing: North End/Washington Street Arch, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- 4131 more...