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
- 4157 more...
- 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
- ItemBB018794 - Northern Pacific Engineering Drawing: Shop Plan - Laterals, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018795 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018796 - Northern Pacific Engineering Drawing: Shop Plan - End Bearings, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018797 - Northern Pacific Engineering Drawing: General Plan, Bridge 38 - Snohomish River, South of Snohomish, Washington, 1909
- ItemBB018798 - Northern Pacific Engineering Drawing: Single Truss/Center Bearing Span, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- 3562 more...