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
- 103 more...
- ItemBB022119 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - South Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022120 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - North Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022121 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - North Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022122 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - North Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022123 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - South Tower Dimensions, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022124 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - North Tower Dimension, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022125 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022126 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022127 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Southeast Tower Column, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 3806 more...