Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Seri007 - Spokane, Portland, and Seattle Railway
- Subseri009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 2159 lebih...
- 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
- ItemBB030399 - Spokane, Portland and Seattle Railway Engineering Drawing: Revision to Abutment, Bridge 270.0 - Box Canyon, North of Farrington, Washington, 1926
- ItemBB030400 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge 270.0 - Box Canyon, North of Farrington, Washington, 1926
- 1750 lebih...