Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 775 more...
- ItemPlat011625 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1964
- ItemPlat011626 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1964
- ItemPlat011627 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1964
- ItemPlat011630 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1971
- ItemPlat011631 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1971
- ItemPlat011632 - Plat Map of Northern Pacific Facilities at Portland, Oregon, 1971
- 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
- 1051 more...