Anaconda, MT. ( Anaconda, Montana United States) [Symphony]
Belgrade, MT. ( Belgrade, Montana United States) [Symphony]
Belt, MT. ( Belt, Montana United States) [Destiny] +
Big Horn, MT. ( Hardin, Montana United States) [Symphony]
Big Timber, MT. ( Big Timber, Montana United States) [Symphony]
Billings, MT. ( Billings, Montana United States) [Symphony] +
Blaine County, MT. ( Chinook, Montana United States) [Symphony]
Bozeman, MT. ( Bozeman, Montana United States) [Symphony]
Broadus, MT. ( Broadus, Montana United States) [Symphony]
Broadwater County, MT. ( Townsend, Montana United States) [Destiny]
Butte, MT. ( Butte, Montana United States) [Koha -- Independent] +
Carbon County, MT. ( Bridger, Montana United States) [Symphony]
Cascade, MT. ( Cascade, Montana United States) [Destiny] +
Choteau, MT. ( Choteau, Montana United States) [Infocentre] +
Chouteau County, MT. ( Fort Benton, Montana United States) [Symphony]
Chouteau County, MT. ( Big Sandy, Montana United States) [Symphony]
Chouteau County, MT. ( Geraldine, Montana United States) [None]
Conrad, MT. ( Conrad, Montana United States) [Symphony]
Daniels County, MT. ( Scobey, Montana United States) [Destiny] +
Darby, MT. ( Darby, Montana United States) [Symphony]
indicates that the library participates in a consortium for its automation system.