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
- 96 more...
- ItemBB022112 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - North Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022113 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Mark Index, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022114 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Man Lift, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022115 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Walkway/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022116 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Hood Erection, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022117 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - South Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022118 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - South Tower/56, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 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
- 3813 more...