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
- 817 more...
- ItemBB022848 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brace, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022849 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brace, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022850 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brace, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022851 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022852 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022853 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022854 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022855 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Grillage, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- ItemBB022856 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Guard Rail, Bridge T125.7 - Crooked River, South of Opal City, Oregon, undated
- 3092 more...