Great Northern Railway Historical Society Blueprint Collection JSBP0523, Blackfoot, Montana, 1951. Great Northern Blueprint Number 9419-1, Standard 16' X61'4'' Steel Signal Maintainer's and Motor House. Floor Plan, Elevations, Sections and Details. Authorization for Expenditure 81328. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Yard Building.

Great Northern Railway Historical Society Blueprint Collection JSBP0522, Blackfoot, Montana, 1939. Great Northern Blueprint Number 11055.1, Insulation - 65,000 Gallon Fuel Oil Service Tank. Plan, Elevation, Section and Details. Authorization for Expenditure 67432. 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 JSBP0521, Blackfoot, Montana, 1934. Great Northern Blueprint Number 9013-1, Hotel. Floor Plans. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Hotel.

Great Northern Railway Historical Society Blueprint Collection JSBP0520, Blackfoot, Montana, 1934. Dormitory. 1st, 2nd and Attic Floor Plans. 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 JSBP0519, Blackfoot, Montana, 1934. Dormitory. 1st and 2nd Floor Plans. 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 JSBP0518, Blackfoot, Montana, 1934. Dormitory. Floor Plans. 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 JSBP0514, Billings Region, Montana, undated. Burlington Northern Railroad Blueprint, Communications Towers. Interstate Commerce Commission Account Number 26, Telegraph and Telephone Lines. Other ICC account descriptions: ICC Account Number 26, Communications.

Great Northern Railway Historical Society Blueprint Collection JSBP0513, Billings, Montana, 1910. Great Northern Blueprint Number 6020-1, Signs for Freight Depot. Elevations and Section. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Freight Depot.

Great Northern Railway Historical Society Blueprint Collection JSBP0512, Billings, Montana, 1910. Sign for Freight House. Elevations and Section. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Freight House.

Great Northern Railway Historical Society Blueprint Collection JSBP0511, Big Sandy, Montana, 1915. Proposed Depot. Showing Lighting Plan. Authorization for Expenditure 7944. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.