Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 121 more...
- ItemPlat011669 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at East Portland, Oregon, 1941
- ItemPlat011670 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at East Portland, Oregon, 1941
- ItemPlat011671 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, 1954
- ItemPlat011672 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, 1954
- ItemPlat011673 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Portland, Oregon, 1954
- 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
- 134 more...