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
- 260 more...
- ItemJSBP0844 - Great Northern Railway Historical Society Blueprint Collection JSBP0844, Cascade Tunnel, Washington, 1923.
- ItemJSBP0850 - Great Northern Railway Historical Society Blueprint Collection JSBP0850, Cass Lake, Minnesota, 1897.
- ItemJSBP0851 - Great Northern Railway Historical Society Blueprint Collection JSBP0851, Cass Lake, Minnesota, 1898.
- ItemJSBP0852 - Great Northern Railway Historical Society Blueprint Collection JSBP0852, Cass Lake, Minnesota, 1904.
- ItemJSBP0853 - Great Northern Railway Historical Society Blueprint Collection JSBP0853, Cass Lake, Minnesota, 1904.
- ItemJSBP0854 - Great Northern Railway Historical Society Blueprint Collection JSBP0854, Cass Lake, Minnesota, 1907.
- ItemJSBP0855 - Great Northern Railway Historical Society Blueprint Collection JSBP0855, Cass Lake, Minnesota, 1907.
- ItemJSBP0858 - Great Northern Railway Historical Society Blueprint Collection JSBP0858, Cass Lake, Minnesota, 1918.
- ItemJSBP0859 - Great Northern Railway Historical Society Blueprint Collection JSBP0859, Cass Lake, Minnesota, 1941.
- 3103 more...