Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 1045 more...
- ItemPlat012491 - Plat Map of Great Northern Facilities at Harlem, Montana, 1956
- ItemPlat012492 - Plat Map of Great Northern Facilities at Harrington, Washington, 1965
- ItemPlat012493 - Plat Map of Great Northern Facilities at Harrington, Washington, 1965
- ItemPlat012494 - Plat Map of Great Northern Facilities at Harrington, Washington, 1965
- ItemPlat012512 - Plat Map of Great Northern Facilities at Havre, Montana, undated
- ItemPlat012513 - Plat Map of Great Northern Facilities at Havre, Montana, undated
- ItemPlat012514 - Plat Map of Great Northern Facilities at Havre, Montana, 1964
- ItemPlat012515 - Plat Map of Great Northern Facilities at Havre, Montana, 1964
- ItemPlat012516 - Plat Map of Great Northern Facilities at Havre, Montana, 1968
- 700 more...