Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3006 - Stockyards
- 15 more...
- ItemJSBP2174 - Great Northern Railway Historical Society Blueprint Collection JSBP2174, Harlem, Montana, 1918.
- ItemJSBP2175 - Great Northern Railway Historical Society Blueprint Collection JSBP2175, Harlem, Montana, 1918.
- ItemJSBP2180 - Great Northern Railway Historical Society Blueprint Collection JSBP2180, Harlem, Montana, undated.
- ItemJSBP2181 - Great Northern Railway Historical Society Blueprint Collection JSBP2181, Harlem, Montana, undated.
- ItemJSBP2228 - Great Northern Railway Historical Society Blueprint Collection JSBP2228, Havre, Montana, 1925.
- ItemJSBP2229 - Great Northern Railway Historical Society Blueprint Collection JSBP2229, Havre, Montana, 1925.
- ItemJSBP2244 - Great Northern Railway Historical Society Blueprint Collection JSBP2244, Havre, Montana, 1929.
- ItemJSBP2360 - Great Northern Railway Historical Society Blueprint Collection JSBP2360, Havre, Montana, 1950.
- ItemJSBP2361 - Great Northern Railway Historical Society Blueprint Collection JSBP2361, Havre, Montana, 1950.
- 97 more...