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
- 3219 more...
- ItemBB033061 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Assembly and Bill of Material, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033062 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Details, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033063 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Repairs, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033064 - Spokane, Portland and Seattle Railway Engineering Drawing: Bed Plates, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033065 - Spokane, Portland and Seattle Railway Engineering Drawing: End Rail Seat Plate, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033066 - Spokane, Portland and Seattle Railway Engineering Drawing: End and Internal Posts, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033067 - Spokane, Portland and Seattle Railway Engineering Drawing: Center Post and Hangers, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033068 - Spokane, Portland and Seattle Railway Engineering Drawing: Top and Bottom Chord Section, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- ItemBB033069 - Spokane, Portland and Seattle Railway Engineering Drawing: Top Laterals, Portal Strut, Bridge A62.7 - Clatskanie River, West of Clatskanie, Oregon, undated
- 690 more...