Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 901 more...
- ItemPlat011876 - Plat Map of Northern Pacific Facilities at Riparia, Washington, undated
- ItemPlat011877 - Plat Map of Northern Pacific Facilities at Riparia, Washington, 1914
- ItemPlat011878 - Plat Map of Northern Pacific Facilities at Riparia, Washington, 1914
- ItemPlat011883 - Plat Map of Northern Pacific Facilities at Ritzville, Washington, 1945
- ItemPlat011884 - Plat Map of Northern Pacific Facilities at Ritzville, Washington, 1945
- ItemPlat011885 - Plat Map of Northern Pacific Facilities at Ritzville, Washington, 1945
- ItemPlat011886 - Plat Map of Northern Pacific Facilities at Ritzville, Washington, 1945
- ItemPlat011889 - Plat Map of Northern Pacific Facilities at Rivulet, Montana, 1917
- ItemPlat011890 - Plat Map of Northern Pacific Facilities at Rivulet, Montana, 1917
- 925 more...