Great Northern Railway Historical Society Blueprint Collection JSBP2169, Hardy, Montana, undated. Highway Bridge. Montana Highway Department Map, Highway Bridge Over Gney and River. 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 JSBP2167, Hardy, Montana, 1918. Montana Central Railway Blueprint Number 133.K.65, Standard Sections for Tunnels. Solid Rock Sections, Timbered Sections. Authorization for Expenditure 8659. Interstate Commerce Commission Account Number 5, Tunnels and Subways. Other ICC account descriptions: ICC Account Number 5, Tunnel.

Great Northern Railway Historical Society Blueprint Collection JSBP2166, Hardy, Montana, 1918. Montana Central Railway Blueprint, Tunnel # 1. Proposed Change of Grade. Authorization for Expenditure 8659. Interstate Commerce Commission Account Number 5, Tunnels and Subways. Other ICC account descriptions: ICC Account Number 5, Tunnel.

Great Northern Railway Historical Society Blueprint Collection JSBP2165, Hanover, Montana, 1930. Great Northern Blueprint Number 220-2478-6, Bridge Number 53. General Plan. Authorization for Expenditure 40800. 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 JSBP2125, Great Falls, Montana, undated. Power House. Floor Plan and Layout. Authorization for Expenditure 5662. Interstate Commerce Commission Account Number 29, Power Plant Buildings. Other ICC account descriptions: ICC Account Number 29, Power Station.

Great Northern Railway Historical Society Blueprint Collection JSBP2124, Great Falls, Montana, undated. Standard Position of Pockets and Face of Posts. Elevations. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Coaling Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2123, Great Falls, Montana, undated. Division Office Building. Floor Plan. Authorization for Expenditure 18594. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP2122, Great Falls, Montana, undated. Ice House. Situation Map -. Authorization for Expenditure 9573. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Icing Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2121, Great Falls, Montana, undated. Freight House. Floor Plan. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Freight House.