Great Northern Railway Historical Society Blueprint Collection JSBP0562, Boulder, Montana, 1927. Lighting Plan. Floor Plan. Authorization for Expenditure 32795. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station.

Great Northern Railway Historical Society Blueprint Collection JSBP0563, Boulder, Montana, 1960. Great Northern Blueprint Number 6774.01.01, Stock Scale. Wiring Plan. Authorization for Expenditure 60. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Stockyard.

Great Northern Blueprint Number 1191-8, map of Boulder to Calvins Station 2060 to 2600, 1887. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1240-34-21, map of Montana Central Crossing of Boulder Valley & Butte Railway, 1891. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1240-34-22, map of Montana Central, Helena, Boulder Valley & Butte Railroad, 1894. Other subject categories: Right of Way and Track Map