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
- 1444 more...
- ItemBB025222 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolt, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025223 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolt, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025224 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Bolt, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025225 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025226 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025227 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025228 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025229 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Posts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025230 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Posts, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 2465 more...