Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 1631 more...
- ItemPlat014198 - Plat Map of Northern Pacific Facilities at Pomona, Washington, undated
- ItemPlat014207 - Plat Map of Northern Pacific Facilities at Porter, Washington, 1905
- ItemPlat014208 - Plat Map of Northern Pacific Facilities at Porter, Washington, 1905
- ItemPlat014214 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1928
- ItemPlat013744 - Plat Map of Northern Pacific Facilities at Silver Star, Montana, 1914
- ItemPlat013745 - Plat Map of Northern Pacific Facilities at Silver Star, Montana, 1914
- ItemPlat013746 - Plat Map of Northern Pacific Facilities at Silverdale, Washington, 1953
- ItemPlat013747 - Plat Map of Northern Pacific Facilities at Silverdale, Washington, 1953
- ItemPlat013748 - Plat Map of Northern Pacific Facilities at Simenson, Washington, 1954
- 195 more...