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
- 1077 more...
- ItemBB023126 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor Bolt, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023127 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023128 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Joint Erection, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023129 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Expansion Bearing, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023130 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearing, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023131 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm Plate, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023132 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beam, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023133 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beam, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023134 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beam, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- 2832 more...