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
- 209 more...
- ItemBB022225 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery Floor, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022226 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Section, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022227 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor Bolt, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022228 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022229 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022230 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bolt/Rivet, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022231 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022232 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lift span, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022233 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lift Span, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 3700 more...