Railroad Archives Online
- ArquivoD0027 - Timothy Miller Collection
- Série007 - Spokane, Portland, and Seattle Railway
- Subsérie009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 2155 mais...
- ItemBB030388 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan - Cast Iron Base, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030389 - Spokane, Portland and Seattle Railway Engineering Drawing: Frame End Bent West Side, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- 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
- 1754 mais...