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
- 650 more...
- ItemBB022681 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022682 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022683 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022684 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022685 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022686 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022687 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022688 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- ItemBB022689 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Columns, Bridge T105.6 - Willow Creek, Madras, Oregon, undated
- 3259 more...