Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series008 - Union Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 21 more...
- ItemPlat011652 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated
- ItemPlat011653 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated
- ItemPlat011654 - Plat Map of Union Pacific Facilities at Portland, Oregon, 1982
- ItemPlat011656 - Plat Map of Union Pacific Facilities at Portland, Oregon, 1982
- ItemPlat011657 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated
- ItemPlat011658 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated
- ItemPlat011659 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated
- ItemPlat011660 - Plat Map of Union Pacific Facilities at Portland, Oregon, undated