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
- 134 more...
- ItemBB022150 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022151 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022152 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022153 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Northwest Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022154 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery Floor, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022155 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery Floor, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022156 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery Floor, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022157 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Tower Brace, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022158 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Tower Brace, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 3775 more...