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
- 1411 more...
- ItemBB025189 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025190 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025191 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025192 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025193 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025194 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025195 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025196 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025197 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 2498 more...