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
- 5841 more...
- ItemBB021571 - Northern Pacific Engineering Drawing: Shop Plan - Sketch - Bill of Material, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021572 - Northern Pacific Engineering Drawing: Shop Plan - Sketch - Bill of Material, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021573 - Northern Pacific Engineering Drawing: Shop Plan - Sketch - Bill of Material, Bridge 11.72 - Lake Hills Boulevard, South of Wilburton, Washington, undated
- ItemBB021907 - Northern Pacific Engineering Drawing: Pier Cap and Collar Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- ItemBB021908 - Northern Pacific Engineering Drawing: Abutment Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- ItemBB021909 - Northern Pacific Engineering Drawing: Steel Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- ItemBB021910 - Northern Pacific Engineering Drawing: Composite Deck Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- ItemBB021911 - Northern Pacific Engineering Drawing: Abutment Erection and Dr Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- ItemBB021912 - Northern Pacific Engineering Drawing: Miscellaneous Details and Bill of Material, Bridge 3.1 - North 40th Street, Tacoma, Washington, undated
- 1878 more...