Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 112 - Cartographic materials
- Subseries Level 22 - Plats
- 1729 more...
- ItemPlat014181 - Plat Map of Great Northern Facilities at Plentywood, Montana, 1963
- ItemPlat014186 - Plat Map of Great Northern Facilities at Pollard, Washington, 1915
- ItemPlat014187 - Plat Map of Great Northern Facilities at Pollard, Washington, 1915
- ItemPlat014199 - Plat Map of Great Northern Facilities at Poplar, Montana, 1967
- ItemPlat014200 - Plat Map of Great Northern Facilities at Poplar, Montana, 1967
- ItemPlat014201 - Plat Map of Great Northern Facilities at Poplar, Montana, 1967
- ItemPlat014202 - Plat Map of Great Northern Facilities at Poplar, Montana, 1967
- ItemPlat014203 - Plat Map of Great Northern Facilities at Portage, Montana, undated
- ItemPlat014204 - Plat Map of Great Northern Facilities at Portage, Montana, undated
- 16 more...