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
- 6105 more...
- ItemBB026965 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026966 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026967 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026968 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026969 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026970 - Northern Pacific Engineering Drawing: Signal Bridge F, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026971 - Northern Pacific Engineering Drawing: Signal Bridges D and E, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026972 - Northern Pacific Engineering Drawing: Signal Bridge D, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026973 - Northern Pacific Engineering Drawing: Signal Bridge E, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- 1614 more...