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
- 3470 more...
- ItemBB027029 - Great Northern Engineering Drawing: Masonry Plan Piers 1 and 4, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027030 - Great Northern Engineering Drawing: Masonry Plan Piers 2 and 3, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027031 - Great Northern Engineering Drawing: Design 50 Foot Deck Plate Girder (DPG) Span, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027032 - Great Northern Engineering Drawing: Design of Fixed Beam and Bill of Material, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027033 - Great Northern Engineering Drawing: Deck Plan, Bridge 17 - Stillaguamish River, North of Silvana, Washington, 1947
- ItemBB027034 - Great Northern Engineering Drawing: Tie Framing Details, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027035 - Great Northern Engineering Drawing: Falsework Details, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027036 - Great Northern Engineering Drawing: Shop Plan - Anchor Bolts, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027037 - Great Northern Engineering Drawing: Shop Plan - Bridge Number 17, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- 522 more...