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
- 1190 more...
- ItemBB023249 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023250 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Posts, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023251 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023252 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Truss Diagonal, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023253 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Changes, Bridge E98.6 - Calapooia River, South of Albany, Oregon, undated
- ItemBB023254 - Spokane, Portland and Seattle Railway Engineering Drawing: Details, Bridge E98.6 - Calapooia River, South of Albany, Oregon, undated
- ItemBB023255 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Deck Plate Girder (DPG), Bridge E98.6 - Calapooia River, South of Albany, Oregon, undated
- ItemBB023256 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge E98.6 - Calapooia River, South of Albany, Oregon, 1946
- ItemBB023257 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Piers, Bridge E98.6 - Calapooia River, South of Albany, Oregon, undated
- 2719 more...