Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 145 more...
- ItemPlat011950 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1946
- ItemPlat011951 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1946
- ItemPlat011952 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1943
- ItemPlat011953 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1943
- ItemPlat011954 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1943
- ItemPlat011955 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Salem, Oregon, 1943
- ItemPlat012000 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Scappose, Oregon, 1921
- ItemPlat012001 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Scappose, Oregon, 1921
- ItemPlat012002 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Scappose, Oregon, undated
- 110 more...