
The Helena National Forest terrain in Broadwater County is defined by a legacy of hard-rock mining and water management. Evidence of industrial activity is concentrated near Diamond Hill Mine, where Tailings and multiple Mine Shafts suggest a landscape heavily utilized for mineral extraction. Local infrastructure like the Eagle Guard Station and the Power Line crossing Sagebrush Creek show the ongoing management of this mountain environment into the early 21st century.
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1886 · Fort Logan
USGS Topo · 1:250,000
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1949 · Radersburg
USGS Topo · 1:62,500
1950 · Devils Fence
USGS Topo · 1:62,500
1950 · Townsend
USGS Topo · 1:62,500
1950 · Clancy
USGS Topo · 1:62,500
1958 · White Sulphur Springs
USGS Topo · 1:250,000
1961 · White Sulphur Springs
USGS Topo · 1:250,000
1965 · White Sulphur Springs
USGS Topo · 1:250,000
1976 · Townsend
USGS Topo · 1:100,000