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
- 818 more...
- ItemBB015094 - Northern Pacific Engineering Drawing: Counterweight Truss/Link/Strut, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015095 - Northern Pacific Engineering Drawing: Trunnions/Bearings, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015096 - Northern Pacific Engineering Drawing: Link Pin/Bearings, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015097 - Northern Pacific Engineering Drawing: Operating Machinery/Bearings, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015098 - Northern Pacific Engineering Drawing: Operating Strut Guide, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015099 - Northern Pacific Engineering Drawing: Detail of Concrete Floor, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015100 - Northern Pacific Engineering Drawing: Reinforce Operating House Floor, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015101 - Northern Pacific Engineering Drawing: Preliminary Plan, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015102 - Northern Pacific Engineering Drawing: Replace With Larger Lift, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- 6901 more...