Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 112 - Cartographic materials
- Subseries Level 22 - Plats
- 686 more...
- ItemPlat011562 - Plat Map of Great Northern Facilities at Omak, Washington, 1971
- ItemPlat011563 - Plat Map of Great Northern Facilities at Omak, Washington, 1971
- ItemPlat011566 - Plat Map of Great Northern Facilities at Opheim, Montana, 1927
- ItemPlat011567 - Plat Map of Great Northern Facilities at Opheim, Montana, 1927
- ItemPlat011591 - Plat Map of Great Northern Facilities at Oroville, Washington, undated
- ItemPlat011592 - Plat Map of Great Northern Facilities at Oroville, Washington, undated
- ItemPlat011593 - Plat Map of Great Northern Facilities at Oroville, Washington, undated
- ItemPlat011594 - Plat Map of Great Northern Facilities at Oroville, Washington, undated
- ItemPlat011595 - Plat Map of Great Northern Facilities at Oroville, Washington, 1916
- 1059 more...