Great Northern Railway Historical Society Blueprint Collection JSBP0024, Akely and Crooked Lake, Minnesota, 1902. Profile of Akeley and Crooked Lake.

Great Northern Railway Historical Society Blueprint Collection JSBP10139, Minnesota, 1937. Great Northern Blueprint Number 1181-21, Condensed Mainline Profile. Saint Paul to Willmar. Interstate Commerce Commission Account Number 1, Engineering.

Great Northern Railway Historical Society Blueprint Collection JSBP10140, Minnesota, 1937. Great Northern Blueprint Number 1181-18, Condensed Mainline Profile. Willmar to Breckenridge. Interstate Commerce Commission Account Number 1, Engineering.

Great Northern Railway Historical Society Blueprint Collection JSBP1280, Duluth, Minnesota, 1908. Profile of West End of Duluth Terminal Trestle. Showing Change of Grade of Northern Pacific track at Duluth Terminal Trestle. Interstate Commerce Commission Account Number 3, Grading. Other ICC account descriptions: ICC Account Number 3, Change In Grade.

Great Northern Railway Historical Society Blueprint Collection JSBP1312, Duluth, Minnesota, 1944. Great Northern Blueprint Number 223-10410138, Profile of Proposed Northern Pacific Connection. Alternate "A". Authorization for Expenditure 68088. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP1324, Duluth - Superior, 1907. Northern Pacific Railroad Blueprint, Profile of Approaches to Bridge. Approches to St Louis Bay Bridge. Interstate Commerce Commission Account Number 3, Grading.

Great Northern Railway Historical Society Blueprint Collection JSBP5270, Saint Cloud and Willmar, Minnesota, 1906. Line Profile, Saint Cloud to Willmar. Profile. Interstate Commerce Commission Account Number 1, Engineering.