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
- 3237 more...
- ItemBB033079 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan of Center, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033080 - Spokane, Portland and Seattle Railway Engineering Drawing: Top Laterals and Ports, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033081 - Spokane, Portland and Seattle Railway Engineering Drawing: Center Floor Beam/Brackets, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033082 - Spokane, Portland and Seattle Railway Engineering Drawing: Floor Beams for Slats, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033083 - Spokane, Portland and Seattle Railway Engineering Drawing: Intermediate Laterals, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033084 - Spokane, Portland and Seattle Railway Engineering Drawing: Intermediate Laterals, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033085 - Spokane, Portland and Seattle Railway Engineering Drawing: Bottom Lateral Bracing, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033086 - Spokane, Portland and Seattle Railway Engineering Drawing: Internal Laterals, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033087 - Spokane, Portland and Seattle Railway Engineering Drawing: Center Panel, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- 672 more...