This collection is a sub-subgroup (former Division) of the Montana Department of Community Affairs records, RS 505. The Research and Information System Division operated within the Department of Community Affairs. This Division currently (as of 2025) operates within the Department of Commerce. Please see the primary finding aid for more Montana Department of Community Affairs records.

These records consist of general correspondence (1974-1981); financial records (1978-1981); legal documents (1977-1979); reports (1974-1981), including for Montana counties, cities and towns entitled "Local Government Finances Raw Data by Year"; subject files (1973-1984), regarding industry in several cities and counties, the Flathead River Basin Economic Study, mapping, mining and maps of the 1980 census; and miscellany.