Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 1014 more...
- ItemPlat012165 - Plat Map of Northern Pacific Facilities at Kelso, Washington, undated
- ItemPlat012166 - Plat Map of Northern Pacific Facilities at Kelso, Washington, undated
- ItemPlat012167 - Plat Map of Northern Pacific Facilities at Kelso, Washington, undated
- ItemPlat012168 - Plat Map of Northern Pacific Facilities at Kennewick, Washington, 1948
- ItemPlat012169 - Plat Map of Northern Pacific Facilities at Kennewick, Washington, 1948
- ItemPlat012170 - Plat Map of Northern Pacific Facilities at Kennewick, Washington, 1948
- ItemPlat012178 - Plat Map Index of Northern Pacific Facilities at Everett, Washington, undated
- ItemPlat012179 - Plat Map of Northern Pacific Facilities at Everett, Washington, 1925
- ItemPlat012181 - Plat Map of Northern Pacific Facilities at Everett, Washington, undated
- 812 more...