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
- 3904 more...
- ItemBB027469 - Great Northern Engineering Drawing: Stress Diagram 252 Foot, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027470 - Great Northern Engineering Drawing: Masonry Plan, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027471 - Great Northern Engineering Drawing: Shop Plan - Diagram - 252 Foot, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027472 - Great Northern Engineering Drawing: Shop Plan - Diagonal Rollers, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027473 - Great Northern Engineering Drawing: Shop Plan - End Posts, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027474 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027475 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027476 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- ItemBB027477 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 446 - Wallace River, West of Sultan, Washington, undated
- 88 more...