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 3007 - Track
- 39 more...
- ItemJSBP0807 - Great Northern Railway Historical Society Blueprint Collection JSBP0807, Cascade Division, 1910.
- ItemJSBP0809 - Great Northern Railway Historical Society Blueprint Collection JSBP0809, Cascade Division, 1913.
- ItemJSBP0810 - Great Northern Railway Historical Society Blueprint Collection JSBP0810, Cascade Division, 1913.
- ItemJSBP0811 - Great Northern Railway Historical Society Blueprint Collection JSBP0811, Cascade Division, 1913.
- ItemJSBP0812 - Great Northern Railway Historical Society Blueprint Collection JSBP0812, Cascade Division, 1914.
- ItemJSBP0814 - Great Northern Railway Historical Society Blueprint Collection JSBP0814, Cascade Division, 1916.
- ItemJSBP0815 - Great Northern Railway Historical Society Blueprint Collection JSBP0815, Cascade Division, 1916.
- ItemJSBP0816 - Great Northern Railway Historical Society Blueprint Collection JSBP0816, Cascade Division, 1916.
- ItemJSBP0817 - Great Northern Railway Historical Society Blueprint Collection JSBP0817, Cascade Division, 1916.
- 366 more...