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
- 1021 more...
- ItemBB023069 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023070 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023071 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023072 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023073 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023074 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023075 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023076 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023077 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- 2888 more...