Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 556 more...
- ItemPlat011279 - Plat Map of Great Northern Facilities at Libby, Montana, 1969
- ItemPlat011280 - Plat Map of Great Northern Facilities at Libby, Montana, undated
- ItemPlat011281 - Plat Map of Great Northern Facilities at Libby, Montana, undated
- ItemPlat011282 - Plat Map of Great Northern Facilities at Libby, Montana, 1930
- ItemPlat011283 - Plat Map of Great Northern Facilities at Libby, Montana, 1930
- ItemPlat011284 - Plat Map of Great Northern Facilities at Libby, Montana, 1965
- ItemPlat011285 - Plat Map of Great Northern Facilities at Libby, Montana, 1965
- ItemPlat011286 - Plat Map of Great Northern Facilities at Libby, Montana, undated
- ItemPlat011287 - Plat Map of Great Northern Facilities at Libby, Montana, undated
- 1189 more...