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
- 3342 more...
- ItemBB017928 - Northern Pacific Engineering Drawing: Piers 2/3, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017929 - Northern Pacific Engineering Drawing: 100 Foot Span Through Plate Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017930 - Northern Pacific Engineering Drawing: 80 Foot Span Through Plate Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017931 - Northern Pacific Engineering Drawing: 60 Foot Span Through Plate Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017932 - Northern Pacific Engineering Drawing: Bearing/Shoes, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017933 - Northern Pacific Engineering Drawing: Deck Drainage, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017934 - Northern Pacific Engineering Drawing: Shop Plan - Anchor Bolt, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017935 - Northern Pacific Engineering Drawing: Shop Plan - Bridge Deck Framing, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017936 - Northern Pacific Engineering Drawing: Shop Plan - Floor Plate Framing, Bridge 66, South of Ritzville, Washington, undated
- 4377 more...