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
- 3006 more...
- ItemBB032844 - Spokane, Portland and Seattle Railway Engineering Drawing: Plate Girder Bearings, Bridge 66.4 - Little White Salmon River, East of Cooks, Washington, undated
- ItemBB032845 - Spokane, Portland and Seattle Railway Engineering Drawing: Special Nuts, Bridge 66.4 - Little White Salmon River, East of Cooks, Washington, undated
- ItemBB032846 - Spokane, Portland and Seattle Railway Engineering Drawing: Hood Contour Cross, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032847 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Railway Bridge, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032848 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Soundings, Bridge 72.8 - White Salmon River, East of Hood, Washington, 1932
- ItemBB032849 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plan, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032850 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plan, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032851 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 150 Foot Span, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- ItemBB032852 - Spokane, Portland and Seattle Railway Engineering Drawing: New and Present West Abutment, Bridge 72.8 - White Salmon River, East of Hood, Washington, undated
- 903 more...