Discover one of Montana's best kept secrets in Musselshell County, with Roundup as the County Seat. A Search form is available:
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![Musselshellounty Museum Montana](https://musselshellcounty.org/wp-content/uploads/2020/04/page-Header-Musselshell-County-Montana-Musselshell-County-Museum-300x85.jpg)