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
- 649 more...
- ItemBB031125 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pit Detail, 120 Foot Turntable, undated
- ItemBB031126 - Spokane, Portland and Seattle Railway Engineering Drawing: Foundation Plan, 120 Foot Turntable, undated
- ItemBB031127 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail - 120 Foot Turntable, 120 Foot Turntable, undated
- ItemBB031128 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center, 120 Foot Turntable, undated
- ItemBB031129 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Track Cast, 120 Foot Turntable, undated
- ItemBB031130 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Track Cast, 120 Foot Turntable, undated
- ItemBB031131 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Wheels and Axles, 120 Foot Turntable, undated
- ItemBB031132 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearings, 120 Foot Turntable, undated
- ItemBB031133 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracket Detail, 120 Foot Turntable, undated
- 69 more...