Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2157 more...
- ItemBB030390 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch Ties Bolts and Washer, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030391 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch Wood Block, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030392 - Spokane, Portland and Seattle Railway Engineering Drawing: Renew Cracked Concrete, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030393 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030394 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030395 - Spokane, Portland and Seattle Railway Engineering Drawing: West Abutment, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030396 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Fit - Proposed Changes, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030397 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch - Part - Viaduct, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030398 - Spokane, Portland and Seattle Railway Engineering Drawing: Ballast Bridge Details, Bridge 270.0 - Box Canyon, North of Farrington, Washington, 1921
- 1752 more...