
Helena and its industrial neighbor East Helena anchor the western edge of this mid-century landscape, where the Missouri River is harnessed by the Canyon Ferry Dam and Hauser Dam. This era of western development is defined by the heavy infrastructure of three major rail lines—the Northern Pacific, Great Northern, and the Chicago Milwaukee St Paul and Pacific—which navigate the dramatic elevations of the Big Belt Mountains and the Little Belt Mountains.
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12 maps found

1948 White Sulphur Springs
Meagher County, MT

1958 White Sulphur Springs
Meagher County, MT

1961 White Sulphur Springs
Meagher County, MT

1965 White Sulphur Springs
Meagher County, MT

1971 White Sulphur Springs
Meagher County, MT

1984 White Sulphur Springs
Meagher County, MT

1995 White Sulphur Springs
Meagher County, MT
2011 White Sulphur Springs
Meagher County, MT
2014 White Sulphur Springs
Meagher County, MT
2017 White Sulphur Springs
Meagher County, MT
2020 White Sulphur Springs
Meagher County, MT

2024 White Sulphur Springs
Meagher County, MT