Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 101 more...
- ItemPlat011409 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Klickitat, Washington, 1915
- ItemPlat011410 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Knappa, Oregon, 1915
- ItemPlat011411 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Knappa, Oregon, 1915
- ItemPlat011485 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Bonneville, Washington, 1935
- ItemPlat011487 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Dalles, Washington, 1959
- ItemPlat011488 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Dalles, Washington, 1959
- ItemPlat011493 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Plains, Oregon, 1911
- ItemPlat011494 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at North Plains, Oregon, 1911
- ItemPlat011620 - Plat Map of Spokane, Portland, and Seattle Railway Facilities at Overlook, Washington, 1916
- 154 more...