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
- 9 more...
- ItemBB022025 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Operating Machinery, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1956
- ItemBB022026 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Operating Machinery, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1956
- ItemBB022027 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Operating Machinery, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1956
- ItemBB022028 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lock Machinery, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1957
- ItemBB022029 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Cover/Guard, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1957
- ItemBB022030 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery Arrangement, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022031 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Grillage, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022032 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Grillage, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB022033 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Grillage, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 3900 more...