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
- 3646 more...
- ItemBB033673 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 66.4 - Little White Salmon River, East of Cooks, Washington, undated
- ItemBB033674 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 66.4 - Little White Salmon River, East of Cooks, Washington, undated
- ItemBB033675 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Detail and Bill Material, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- ItemBB033676 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Ties, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- ItemBB033677 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Detail Renewal, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, 1917
- ItemBB033678 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail Tie Truss Span, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- ItemBB033679 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Ties Rail Lock, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- ItemBB033680 - Spokane, Portland and Seattle Railway Engineering Drawing: Span Steel Ties, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- ItemBB033681 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Tie Plan, Bridge 8.8 - Oregon Slough, North of North Portland Junction, Oregon, undated
- 263 more...