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 3003 - Maintenance Facilities
- 706 more...
- ItemBB031088 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Turntable, Turntable, Portland, Oregon, undated
- ItemBB031089 - Spokane, Portland and Seattle Railway Engineering Drawing: 80 Foot Through Turntable, Turntable, Portland, Oregon, undated
- ItemBB031090 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete 80 Foot Turntable, Turntable, Portland, Oregon, undated
- ItemBB031091 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Turntable, Portland, Oregon, undated
- ItemBB031092 - Spokane, Portland and Seattle Railway Engineering Drawing: Turntable and Engine Pit, Turntable, Albany, Oregon, undated
- ItemBB031093 - Spokane, Portland and Seattle Railway Engineering Drawing: Pit - 80 Foot Through Turntable, Turntable, Albany, Oregon, undated
- ItemBB031094 - Spokane, Portland and Seattle Railway Engineering Drawing: Turntable Pit and Pier, Turntable, Albany, Oregon, undated
- ItemBB031095 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Overhead Collar, Turntable, Albany, Oregon, undated
- ItemBB031096 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Electrical Track, Turntable, Albany, Oregon, undated
- 12 more...