Great Northern Railway Historical Society Blueprint Collection JSBP2460, Helena, Montana, 1912. Passenger Station. Sections. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2461, Helena, Montana, 1913. Great Northern Blueprint Number 7561-22, Passenger Station. Electric Lighting Plan and Details. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Depot.

Great Northern Railway Historical Society Blueprint Collection JSBP2462, Helena, Montana, 1919. Skylights and Ventilators. In Helena Depot. Authorization for Expenditure 9882. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2463, Helena, Montana, 1919. Skylights and Ventilators. In Helena Depot. Authorization for Expenditure 9882. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2464, Helena, Montana, 1930. Great Northern Blueprint Number 5530, Ogle Drawing Steel 250 Ton Coaling Station. Foundation and Machinery House. Authorization for Expenditure 5920. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Coal Chute.

Great Northern Railway Historical Society Blueprint Collection JSBP2465, Helena, Montana, 1946. Great Northern Blueprint Number 3B-300-23, Details of 3'' Diesel Fuel Oil Unloader-With Clearances. Elevation and Details. Authorization for Expenditure 74891. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Fueling Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2466, Helena, Montana, 1947. Great Northern Blueprint Number 11062-1, 12' X 14'8'' Steel Diesel Fuel Oil Pump House. Plans, Sections and Details. Authorization for Expenditure 74891. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Fueling Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2467, Helena, Montana, 1947. Great Northern Blueprint Number 116-5243-12, 25,000 Gallon Capacity Diesel Oil Storage Tank. Details. Authorization for Expenditure 74891. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Fueling Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2468, Helena, Montana, 1947. Great Northern Blueprint Number 116-5243-13, General Plan of 25,000 Gallon Diesel Fuel Oil Tank. Elevations, Details and Material List. Authorization for Expenditure 74891. Interstate Commerce Commission Account Number 19, Fuel Stations. Other ICC account descriptions: ICC Account Number 19, Fueling Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP2469, Helena, Montana, 1947. Great Northern Blueprint Number 9319-1, 1 Stall Engine House. Plan and Section. Authorization for Expenditure 75719. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Engine House.