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
- 3020 more...
- ItemBB032859 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032860 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonals, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032861 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Posts, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032862 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032863 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032864 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032865 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal/Lateral, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032866 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer Laterals, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032867 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer Lateral and Gusset Plate, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- 889 more...