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
- 405 more...
- ItemBB022429 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Plate Girder Span, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022430 - Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022431 - Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022432 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022433 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022434 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022435 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022436 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022437 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- 3504 more...