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 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 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 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 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 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 JSBP2010, Great Falls, Montana, 1931. Duplex Gravity Type Water Filter. and Pumping Units. Authorization for Expenditure 40861. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2009, Great Falls, Montana, 1930. Great Northern Blueprint Number 587.03.A, Direct Steaming System. Steaming Drop - Stall # 9. 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 JSBP2008, Great Falls, Montana, 1930. Great Northern Blueprint Number 587 Sheet 1-A, Railway Engineering Company Drawing - Direct Steaming System. Floor Plan. 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 JSBP2007, Great Falls, Montana, 1930. Great Northern Blueprint Number 8009-26, Remove 6 Stalls and Build 8 Stalls 134' Long. Floor Plan Showing Heating, Plumbing and Piping. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.