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
- 785 more...
- ItemBB015058 - Northern Pacific Engineering Drawing: Control Panel/Desk, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015059 - Northern Pacific Engineering Drawing: Conduit Layout, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015060 - Northern Pacific Engineering Drawing: Schematic Diagram/All Controls, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015061 - Northern Pacific Engineering Drawing: Reference Drawing, Bridge 36.8 - West Waterway, West Seattle, Washington, undated
- ItemBB015063 - Northern Pacific Engineering Drawing: Proposed Highway Undercrossing, Bridge 32 - State Highway, South of Fishtrap, Washington, 1932
- ItemBB015064 - Northern Pacific Engineering Drawing: Temporary Brace on Track, Bridge 32 - State Highway, South of Fishtrap, Washington, undated
- ItemBB015065 - Northern Pacific Engineering Drawing: Detail of Girder Beam Span, Bridge 32 - State Highway, South of Fishtrap, Washington, undated
- ItemBB015066 - Northern Pacific Engineering Drawing: Detail of East Abutment, Bridge 32 - State Highway, South of Fishtrap, Washington, undated
- ItemBB015067 - Northern Pacific Engineering Drawing: Detail of West Abutment, Bridge 32 - State Highway, South of Fishtrap, Washington, undated
- 6934 more...