Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Série007 - Spokane, Portland, and Seattle Railway
- Sous-série009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 2422 en plus...
- PièceBB031249 - Spokane, Portland and Seattle Railway Engineering Drawing: General Elevations, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, 1907
- PièceBB031403 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of End Lift, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031404 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lock Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031405 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Gearing, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031406 - Spokane, Portland and Seattle Railway Engineering Drawing: Equalizer Gears, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031407 - Spokane, Portland and Seattle Railway Engineering Drawing: Bearings Turning Gear, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031408 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of Turning Gear, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031409 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Shafts, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- PièceBB031410 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Lift Gearing, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1487 en plus...