Great Northern Railway Historical Society Blueprint Collection JSBP9261, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8004-6, Replace 4 Loco Boilers With 3 150H.P. Tubular Boilers. Site and Floor Plans, and Sections. 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 JSBP9260, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8004-8, Replace 4 Loco Boilers With 3 150H.P. Tubular Boilers. Floor 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, Shop Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP9259, Willmar, Minnesota, 1930. Replace 4 Loco Boilers With 3 150H.P. Tubular Boilers. Floor 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, Shop Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP9258, Willmar, Minnesota, 1930. Field Report and Supplement. List. 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 JSBP9257, Willmar, Minnesota, 1930. Washout Refill Tank. 18 X 16 Steel Tank - Foundation Details. Authorization for Expenditure 41306. 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 JSBP9256, Willmar, Minnesota, 1930. Great Northern Blueprint Number 8317-12, Remodel Storehouse - Heating and Oil Piping. Floor Plans and Details. Authorization for Expenditure 41974. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Store House.

Great Northern Railway Historical Society Blueprint Collection JSBP9255, Willmar, Minnesota, 1929. Sketch of Water Treatment Plant. Site Plan. Authorization for Expenditure 38705. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Treatment.

Great Northern Railway Historical Society Blueprint Collection JSBP9254, Willmar, Minnesota, 1929. 30' X 20' Water Treating Plant. Floor Plan. Authorization for Expenditure 38705. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Treatment.

Great Northern Railway Historical Society Blueprint Collection JSBP9253, Willmar, Minnesota, 1929. Rearranging Windows In Enginehouse. Proposed Elevations. 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 JSBP9252, Willmar, Minnesota, 1929. Great Northern Blueprint Number A-18, Boiler Setting. Floor Plan and Sections. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Shop Facilities.