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
- 2925 more...
- ItemBB032756 - Spokane, Portland and Seattle Railway Engineering Drawing: Plat of Channel Change, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032757 - Spokane, Portland and Seattle Railway Engineering Drawing: Channel Change, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032758 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments and Retaining Wall, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032759 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments and Wing Walls, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032760 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Abutments, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, 1908
- ItemBB032761 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Abutments, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032762 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032763 - Spokane, Portland and Seattle Railway Engineering Drawing: Damage West Abutment, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032765 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Frame Plan, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- 984 more...