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
- 3475 more...
- 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
- ItemBB027038 - Great Northern Engineering Drawing: Shop Plan - Bridge Number 17, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027039 - Great Northern Engineering Drawing: Shop Plan - Shoes, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027040 - Great Northern Engineering Drawing: Shop Plan - Bridge Number 17, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027041 - Great Northern Engineering Drawing: Shop Plan - Bridge Number 17, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- ItemBB027042 - Great Northern Engineering Drawing: Shop Plan - Bridge Number 17, Bridge 17 - Stillaguamish River, North of Silvana, Washington, undated
- 517 more...