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
- 4152 more...
- 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
- ItemBB018788 - Northern Pacific Engineering Drawing: Shop Plan - Hanger, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018789 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018790 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal Brace, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018791 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beams, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018792 - Northern Pacific Engineering Drawing: Shop Plan - Stringer, etc., Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018793 - Northern Pacific Engineering Drawing: Shop Plan - Portal/Strut, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- 3567 more...