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
- 4140 more...
- ItemBB018773 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018774 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 38 - Snohomish River, South of Snohomish, Washington, 1943
- ItemBB018775 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 38 - Snohomish River, South of Snohomish, Washington, 1930
- ItemBB018776 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018777 - Northern Pacific Engineering Drawing: Material Required Rail lock, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- ItemBB018778 - Northern Pacific Engineering Drawing: Detail of Joint Keys, Bridge 38 - Snohomish River, South of Snohomish, Washington, undated
- 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
- 3579 more...