Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 1816 more...
- ItemPlat014131 - Plat Map of Northern Pacific Facilities at Pasco, Washington, 1944
- ItemPlat014132 - Plat Map of Northern Pacific Facilities at Pasco, Washington, 1944
- ItemPlat014138 - Plat Map of Northern Pacific Facilities at Pedigo, Washington, 1912
- ItemPlat014139 - Plat Map of Northern Pacific Facilities at Pedigo, Washington, 1912
- ItemPlat014140 - Plat Map of Northern Pacific Facilities at Pe Ell, Washington, 1914
- ItemPlat014141 - Plat Map of Northern Pacific Facilities at Pe Ell, Washington, 1914
- ItemPlat014144 - Plat Map of Northern Pacific Facilities at Pendleton, Oregon, 1945
- ItemPlat014145 - Plat Map of Northern Pacific Facilities at Pendleton, Oregon, 1945
- ItemPlat014146 - Plat Map of Northern Pacific Facilities at Perma, Montana, 1933
- 10 more...