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
- 4146 more...
- ItemBB018779 - Northern Pacific Engineering Drawing: Standard Plan Deck Plate Girder (DPG), Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018780 - Northern Pacific Engineering Drawing: Standard Plan Deck Plate Girder (DPG), Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018781 - Northern Pacific Engineering Drawing: Standard Detail End Bearings, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018782 - Northern Pacific Engineering Drawing: 180 Foot Through Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018783 - Northern Pacific Engineering Drawing: Shop Plan - Diagram, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018784 - Northern Pacific Engineering Drawing: Shop Plan - End Post, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018785 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018786 - Northern Pacific Engineering Drawing: Shop Plan - Chord/Strut, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018787 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- 3573 more...