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
- 6092 more...
- ItemBB026952 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026953 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026954 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026955 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026956 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026957 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026958 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026959 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- ItemBB026960 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.2 - 4th Avenue Viaduct, Seattle, Washington, undated
- 1627 more...