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
- 2915 more...
- ItemBB017446 - Northern Pacific Engineering Drawing: General Plan, Bridge 128.1, West of De Smet, Montana, 1929
- ItemBB017447 - Northern Pacific Engineering Drawing: General and Masonry Plan, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017448 - Northern Pacific Engineering Drawing: Proposed Rebuild Bridge /52, Bridge 34 - County Road, North of Maltby, Washington, 1952
- ItemBB017449 - Northern Pacific Engineering Drawing: Rebuild and Extend Bridge/52, Bridge 34 - County Road, North of Maltby, Washington, undated
- ItemBB017450 - Northern Pacific Engineering Drawing: General Plan, Bridge 9 - Highway $1, South of Lakeview, Washington, undated
- ItemBB017451 - Northern Pacific Engineering Drawing: Steel Girder Span Layout, Bridge 9 - Highway #1, South of Lakeview, Washington, 1935
- ItemBB017452 - Northern Pacific Engineering Drawing: Track Revisions and Shoofly, Bridge 9 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017453 - Northern Pacific Engineering Drawing: Steel Girder Span, Bridge 9 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017454 - Northern Pacific Engineering Drawing: Steel Girder - With Floor Plate, Bridge 9 - Highway #1, South of Lakeview, Washington, undated
- 4804 more...