Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 51 more...
- ItemJSBP2089 - Great Northern Railway Historical Society Blueprint Collection JSBP2089, Great Falls, Montana, 1952.
- ItemJSBP2103 - Great Northern Railway Historical Society Blueprint Collection JSBP2103, Great Falls, Montana, 1959.
- ItemJSBP2126 - Great Northern Railway Historical Society Blueprint Collection JSBP2126, Grenora, North Dakota, 1916.
- ItemJSBP2142 - Great Northern Railway Historical Society Blueprint Collection JSBP2142, Halstad, Minnesota, 1918.
- ItemJSBP2172 - Great Northern Railway Historical Society Blueprint Collection JSBP2172, Harlem, Montana, 1918.
- ItemJSBP2176 - Great Northern Railway Historical Society Blueprint Collection JSBP2176, Harlem, Montana, 1927.
- ItemJSBP2220 - Great Northern Railway Historical Society Blueprint Collection JSBP2220, Havre, Montana, 1919.
- ItemJSBP2222 - Great Northern Railway Historical Society Blueprint Collection JSBP2222, Havre, Montana, 1920.
- ItemJSBP2352 - Great Northern Railway Historical Society Blueprint Collection JSBP2352, Havre, Montana, 1950.
- 149 more...