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
- 1151 more...
- ItemBB023206 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Details, Bridge E81.4 - Underpass, South of Orville, Oregon, undated
- ItemBB023207 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E81.4 - Underpass, South of Orville, Oregon, undated
- ItemBB023208 - Spokane, Portland and Seattle Railway Engineering Drawing: West Flange Deck Girder, Bridge E81.4 - Underpass, South of Orville, Oregon, undated
- ItemBB023209 - Spokane, Portland and Seattle Railway Engineering Drawing: West Flange Deck Girder, Bridge E81.4 - Underpass, South of Orville, Oregon, undated
- ItemBB023211 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E83.2 - Underpass, South of Orville, Oregon, 1950
- ItemBB023212 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments, Bridge E83.2 - Underpass, South of Orville, Oregon, 1950
- ItemBB023213 - Spokane, Portland and Seattle Railway Engineering Drawing: Foundation Plan, Bridge E83.2 - Underpass, South of Orville, Oregon, undated
- ItemBB023214 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E83.2 - Underpass, South of Orville, Oregon, undated
- ItemBB023216 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E83.6 - Underpass, South of Orville, Oregon, 1951
- 2758 more...