Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 126 more...
- ItemPlat011674 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, 1948
- ItemPlat011675 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, 1948
- ItemPlat011676 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Portland Junction, Oregon, 1916
- ItemPlat011677 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Portland Junction, Oregon, 1916
- ItemPlat011678 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, undated
- ItemPlat011699 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Prindle, Washington, 1915
- ItemPlat011700 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Prindle, Washington, 1915
- ItemPlat011701 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Prineville Junction, Oregon, 1919
- ItemPlat011702 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Prineville Junction, Oregon, 1919
- 129 more...