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
- 6101 more...
- ItemBB026961 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026962 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026963 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026964 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- 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
- 1618 more...