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
- 4101 more...
- ItemBB018733 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018734 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018735 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018736 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018737 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018738 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018739 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018740 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018741 - Northern Pacific Engineering Drawing: Shop Plan - Draw Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- 3618 more...