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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![Invasive Weed: Canadian Thistle](https://musselshellcounty.org/wp-content/uploads/2017/03/page-Montana-Weed-Musselshell-County-Roundup-montana-Weed-Canadian-Thistle-Early-After-300x268.jpg)