Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 781 more...
- ItemPlat011633 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1971
- ItemPlat011634 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- ItemPlat011635 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- ItemPlat011636 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- ItemPlat011637 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- ItemPlat011638 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1981
- ItemPlat011639 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1981
- ItemPlat011640 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- ItemPlat011641 - Plat Map of Northern Pacific Facilities at Portland, Oregon, undated
- 1045 more...