Montana Historical Society
225 N. Roberts
P.O. Box 201201
Helena, MT 59601-1201
www.montanahistoricalsociety.org
The Montana Historical Society has served as the official archives for the records of the state of Montana since 1969. In that capacity, it has obtained state and territorial records from 1864 to the present. Box and folder-level inventories are available for processed manuscripts and state records through a keyword searchable database.