Great Northern Railway Historical Society Blueprint Collection JSBP1077, Corson, South Dakota, 1938. Great Northern Blueprint Number 136-1434-22, Bridge 139.2. Over Big Sioux River. Authorization for Expenditure 54892. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridges and Trestles.

Great Northern Railway Historical Society Blueprint Collection JSBP10750, undated. Great Northern Blueprint Number 1193-23, Floor Plans. Floor Plans.

Great Northern Railway Historical Society Blueprint Collection JSBP10749, undated. 1 Page of a Material List.

Great Northern Railway Historical Society Blueprint Collection JSBP10748, undated. Great Northern Blueprint Number 8474.05, no title recorded.

Great Northern Railway Historical Society Blueprint Collection JSBP10747, undated. Curves On Saint Cloud to Barnesville Line. Partial. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Main Line Track.

Great Northern Railway Historical Society Blueprint Collection JSBP10746, undated. Curvers On Benson to Watertown Line. Partial. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Main Line Track.

Great Northern Railway Historical Society Blueprint Collection JSBP10743, undated. No title recorded. Interstate Commerce Commission Account Number 6, Bridges and Trestles. Other ICC account descriptions: ICC Account Number 20, Bridges and Trestles.

Great Northern Railway Historical Society Blueprint Collection JSBP10733, undated. Prentice Anti-Rail Creeper. Booklet. Interstate Commerce Commission Account Number 10, Other Track Material

Great Northern Railway Historical Society Blueprint Collection JSBP10732, undated. Prentice Anti-Rail Creeper. Drawing - Plan. Interstate Commerce Commission Account Number 10, Other Track Material

Great Northern Railway Historical Society Blueprint Collection JSBP10731, undated. Chart Showing Ballast and Bank Widening Needed. Garretson to Sioux Falls and to Milepost 89. Interstate Commerce Commission Account Number 3, Grading.