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 3003 - Maintenance Facilities
- 1681 more...
- ItemJSBP4938 - Great Northern Railway Historical Society Blueprint Collection JSBP4938, Somers, Montana, 1914.
- ItemJSBP4939 - Great Northern Railway Historical Society Blueprint Collection JSBP4939, Somers, Montana, 1915.
- ItemJSBP4940 - Great Northern Railway Historical Society Blueprint Collection JSBP4940, Somers, Montana, 1915.
- ItemJSBP4941 - Great Northern Railway Historical Society Blueprint Collection JSBP4941, Somers, Montana, 1915.
- ItemJSBP4942 - Great Northern Railway Historical Society Blueprint Collection JSBP4942, Somers, Montana, 1915.
- ItemJSBP4943 - Great Northern Railway Historical Society Blueprint Collection JSBP4943, Somers, Montana, 1915.
- ItemJSBP4944 - Great Northern Railway Historical Society Blueprint Collection JSBP4944, Somers, Montana, 1915.
- ItemJSBP4945 - Great Northern Railway Historical Society Blueprint Collection JSBP4945, Somers, Montana, 1915.
- ItemJSBP4946 - Great Northern Railway Historical Society Blueprint Collection JSBP4946, Somers, Montana, 1916.
- 1682 more...