Stillwater County, Montana
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Stillwater County is a county in the U.S. state of Montana. As of the 2020 census, the population was 8,963. Its county seat is Columbus.
Beartooth Mountains from Park City
Mouat chromite mine and mill, 1942
Yellowstone County, Montana
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Yellowstone County is a county in the U.S. state of Montana. As of the 2020 census, the population was 164,731, and was estimated to be 172,692 in 2025, making it the most populous county in Montana.
Stillwater County, Montana
…Golden Valley County – north Yellowstone County – east Carbon County – south…
The Yellowstone County Courthouse in Billings in 2024