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
- 2572 more...
- ItemBB031676 - Spokane, Portland and Seattle Railway Engineering Drawing: Interlock Device, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031677 - Spokane, Portland and Seattle Railway Engineering Drawing: Revision Wire Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, 1917
- ItemBB031678 - Spokane, Portland and Seattle Railway Engineering Drawing: Solenoid Brakes, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031679 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Solenoid Brake, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031680 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer Replace, Bridge 9.6 - Columbia River, Vancouver, Washington, 1961
- ItemBB031681 - Spokane, Portland and Seattle Railway Engineering Drawing: Replace Steel, Bridge 9.6 - Columbia River, Vancouver, Washington, 1964
- ItemBB031682 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Bracket, Bridge 9.6 - Columbia River, Vancouver, Washington, 1952
- ItemBB031683 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Bracket, Bridge 9.6 - Columbia River, Vancouver, Washington, 1952
- ItemBB031684 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1337 more...