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
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- ItemBB030212 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030213 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030214 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030215 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030216 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030217 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030218 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030219 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030220 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
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