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
- 2493 more...
- ItemBB031473 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Motor Support, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031474 - Spokane, Portland and Seattle Railway Engineering Drawing: Engine Supplemental Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031475 - Spokane, Portland and Seattle Railway Engineering Drawing: Engine Supplemental Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031476 - Spokane, Portland and Seattle Railway Engineering Drawing: Centrifugal Switch, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031477 - Spokane, Portland and Seattle Railway Engineering Drawing: Block Rail Lock Motor, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031478 - Spokane, Portland and Seattle Railway Engineering Drawing: End Stop Switch, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031479 - Spokane, Portland and Seattle Railway Engineering Drawing: Lamp Box, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031480 - Spokane, Portland and Seattle Railway Engineering Drawing: Gear for Stop Switch, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031481 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Stop Switch, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1416 more...