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
- 122 more...
- ItemBB022138 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southwest/Northwest Tower, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022139 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022140 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022141 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022142 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022143 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022144 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022145 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022146 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 3787 more...