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
- 112 more...
- ItemJSBP9196 - Great Northern Railway Historical Society Blueprint Collection JSBP9196, Williston, North Dakota, undated.
- ItemJSBP9299 - Great Northern Railway Historical Society Blueprint Collection JSBP9299, Willmar, Minnesota, 1943.
- ItemJSBP9300 - Great Northern Railway Historical Society Blueprint Collection JSBP9300, Willmar, Minnesota, 1943.
- ItemJSBP9301 - Great Northern Railway Historical Society Blueprint Collection JSBP9301, Willmar, Minnesota, 1943.
- ItemJSBP9302 - Great Northern Railway Historical Society Blueprint Collection JSBP9302, Willmar, Minnesota, 1943.
- ItemJSBP9303 - Great Northern Railway Historical Society Blueprint Collection JSBP9303, Willmar, Minnesota, 1943.
- ItemJSBP9314 - Great Northern Railway Historical Society Blueprint Collection JSBP9314, Willmar, Minnesota, 1945.
- ItemJSBP9315 - Great Northern Railway Historical Society Blueprint Collection JSBP9315, Willmar, Minnesota, 1945.
- ItemJSBP9338 - Great Northern Railway Historical Society Blueprint Collection JSBP9338, Willmar, Minnesota, 1959.