Description
Item Description:Volumes for 1953-57 issued as the bureau's Information circular (QE133.A27); 1958- as its Bulletin.
Physical Description:volumes : maps, tables.
Related Items:Vol. for 1958 includes the Mineral industry of Montana, 1958. Preliminary annual report. Vols. for 1966- includes List of active coal mines and a section on the Mineral industry of Montana.