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
- 3256 more...
- ItemBB033098 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Locks, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033099 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Rail Lock, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033100 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Bed Plate, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033101 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan of Center, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033102 - Spokane, Portland and Seattle Railway Engineering Drawing: End and Intermediate Posts, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033103 - Spokane, Portland and Seattle Railway Engineering Drawing: Center Post and Hangers, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033104 - Spokane, Portland and Seattle Railway Engineering Drawing: Top and Bottom Chord Section, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033105 - Spokane, Portland and Seattle Railway Engineering Drawing: Top Laterals, Struts, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- ItemBB033106 - Spokane, Portland and Seattle Railway Engineering Drawing: Hanger Boxes End Shaft, Bridge A84.8 - Blind Slough, West of Clifton, Oregon, undated
- 653 more...