Great Northern Railway Historical Society Blueprint Collection JSBP2011, Great Falls, Montana, 1931. Great Northern Blueprint Number 587.02, Engine House. Detail of Direct Steaming Drops - Stalls 10 to 17. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Shop Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2012, Great Falls, Montana, 1931. Great Northern Blueprint Number 182-1, Transfer Table. Plans, Elevations and Details. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Shop Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2013, Great Falls, Montana, 1931. Great Northern Blueprint Number 537 Sheet 4-A, Railway Engineering Company Drawing - H.P. Steam and Steam Blower. Piping Details. Authorization for Expenditure 43493. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.

Great Northern Railway Historical Society Blueprint Collection JSBP2014, Great Falls, Montana, 1931. Great Northern Blueprint Number 587 Sheet 3-A, Railway Engineering Company Drawing - Direct Steaming Drops. Pipping Details. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.

Great Northern Railway Historical Society Blueprint Collection JSBP2015, Great Falls, Montana, 1931. Great Northern Blueprint Number 587 Sheet 2, Railway Engineering Company Drawing - Direct Steaming Drops. Piping Details. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.

Great Northern Railway Historical Society Blueprint Collection JSBP2016, Great Falls, Montana, 1931. Great Northern Blueprint Number 587.04.A, Direct Steaming System. Details of High Pressure Steam and Steam Boiler. Authorization for Expenditure 43493. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2017, Great Falls, Montana, 1931. Great Northern Blueprint Number 587.01.A, Direct Steaming System. General Plans. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2018, Great Falls, Montana, 1933. Warehouse and Office for Great Falls Paper Co. Floor Plan, Elevations and Section. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Warehouse.

Great Northern Railway Historical Society Blueprint Collection JSBP2019, Great Falls, Montana, 1938. Great Northern Blueprint Number 8009-1, Addition to Round House - General Plan. Floor Plan Showing Electrial. Authorization for Expenditure 53351. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.

Great Northern Railway Historical Society Blueprint Collection JSBP2020, Great Falls, Montana, 1938. Great Northern Blueprint Number 113-10-1, Highway Crossing Signals. Maps. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.