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 JSBP2160, Hanley Falls, Minnesota, undated. Bridge #81 over Yellow Medicine River. Elevation. 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 JSBP2159, Hancock, Minnesota, undated. Plan of 2 Bridges, Under Crossings for Public Roads. Plan, Elevation, Details 7 Material List. 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 JSBP2157, Hancock, Minnesota, 1906. Plan of Bridge for Two Under Crossings. Bridges for Roads 2 and 2 1/2 Miles East - Willmar Division. 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 JSBP2153, Hamilton, Washington, undated. Bridge #43. Elevation and Plan Views. 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 JSBP2152, Hamilton, Washington, 1930. Great Northern Blueprint Number 204-3358-8, Bridge #43 over Alder Creek. General Plan. Elevation, Plan and Section Views With Dimensions and Bill of Mate. Authorization for Expenditure 41177. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.