Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 3213 more...
- ItemBB026687 - Great Northern Engineering Drawing: Shop Plan - Posts, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026688 - Great Northern Engineering Drawing: Shop Plan - Diagonals, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026689 - Great Northern Engineering Drawing: Shop Plan - Tower Posts, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026690 - Great Northern Engineering Drawing: Shop Plan - Sway Bracing, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026691 - Great Northern Engineering Drawing: Shop Plan - Portals, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026692 - Great Northern Engineering Drawing: Shop Plan - Top Laterals, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026693 - Great Northern Engineering Drawing: Shop Plan - Bottom Laterals, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026694 - Great Northern Engineering Drawing: Shop Plan - Floor Beams, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026695 - Great Northern Engineering Drawing: Shop Plan - Stringers, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- 779 more...