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
- 3420 more...
- ItemBB026897 - Great Northern Engineering Drawing: Protection Shear, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026898 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026899 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026900 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026901 - Great Northern Engineering Drawing: Falsework Plan, Marion Street, Seattle, Washington, undated
- ItemBB026902 - Great Northern Engineering Drawing: Repairs to Girder, Marion Street, Seattle, Washington, 1951
- ItemBB026903 - Great Northern Engineering Drawing: Revision Girder Connection Bent 4, Marion Street, Seattle, Washington, undated
- ItemBB026904 - Great Northern Engineering Drawing: Shop Plan - Erection Alternative, Marion Street, Seattle, Washington, undated
- ItemBB026905 - Great Northern Engineering Drawing: Shop Plan - Bent Number 2 Floor Beam, Marion Street, Seattle, Washington, undated
- 572 more...