Great Northern Railway Historical Society Blueprint Collection JSBP9271, Willmar, Minnesota, 1931. Great Northern Blueprint Number 3A-600-11, 100,000 Gal. Capacity Steel Water Tank. Foundation Details. Authorization for Expenditure 51063. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Tank.

Great Northern Railway Historical Society Blueprint Collection JSBP9270, Willmar, Minnesota, 1930. Great Northern Blueprint Number SKETCH 1 - 25, Drawings of Piping In Round House. Sketchs. Authorization for Expenditure 40228. 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 JSBP9269, Willmar, Minnesota, 1930. Great Northern Blueprint Number Sheet 28, Drips and Drains From Feed Water Pump and Whistle. Plan. Authorization for Expenditure 40228. 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 JSBP9268, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8004-3, Replace 4 Loco Boilers With 3 150 Hp Tublar Boilers. Plan, Sections and Details. Authorization for Expenditure 40228. 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 JSBP9267, Willmar, Minnesota, 1930. Great Northern Blueprint Number SKETCH #1, New Boilers, Changes to Machine Shop and Engine House. Floor Plan. Authorization for Expenditure 40228. 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 JSBP9266, Willmar, Minnesota, 1930. Great Northern Blueprint Number SKETCH #2, Replace 4 Loco Boilers With 3 150 Hp Tublar Boilers. Floor Plan. Authorization for Expenditure 40228. 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 JSBP9265, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8004-6, Air Lift for Wells. Plans, Sections and Details. Authorization for Expenditure 40228. 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 JSBP9264, Willmar, Minnesota, 1930. Great Northern Blueprint Number A-18, Replace 4 Loco Boilers With 3 150 Hp Tublar Boilers. Plan,Sections and Details. Authorization for Expenditure 40228. 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 JSBP9263, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8004-4, Replace 4 Loco Boilers With 3 150H.P. Tubular Boilers. Site and Floor Plans, Sections and Details. Authorization for Expenditure 40228. 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 JSBP9262, Willmar, Minnesota, 1930. Great Northern Blueprint Number 7152, Machine Shop and Boiler Room. Plan. Authorization for Expenditure 40228. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Shop Facilities.