Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 96 more...
- ItemPlat010068 - Plat Map of Northern Pacific Facilities at Roslyn, Washington, undated
- ItemPlat010069 - Plat Map of Northern Pacific Facilities at Sapolil, Washington, 1943
- ItemPlat010070 - Plat Map of Northern Pacific Facilities at Sapolil, Washington, 1943
- ItemPlat010071 - Plat Map of Northern Pacific Facilities at Sawyer, Washington, 1926
- ItemPlat010072 - Plat Map of Northern Pacific Facilities at Sawyer, Washington, 1926
- ItemPlat010079 - Plat Map of Northern Pacific Facilities at Snoqualmie, Washington, 1924
- ItemPlat010080 - Plat Map of Northern Pacific Facilities at Snoqualmie, Washington, 1924
- ItemPlat010081 - Plat Map of Northern Pacific Facilities at Snoqualmie To North Bend, Washington, 1982
- ItemPlat010082 - Plat Map of Northern Pacific Facilities at Snoqualmie To North Bend, Washington, 1982
- 1730 more...