
The Continental Divide dictates the rugged character of this Lewis and Clark County landscape, where the headwaters of the Blackfoot River meet high mountain crossings. High-altitude passages such as Flesher Pass and Stemple Pass serve as the primary conduits through the Helena National Forest, connecting the remote mining settlements of Gould and Prospect. These small outposts, located in the southern portion of the sheet, reflect a late-1960s snapshot of Montana's mountain economy, where small-scale mining and resource extraction shaped the local infrastructure.
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3 editions found
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Coopers Lake
USGS Topo · 1:125,000
1903 · Helena
USGS Topo · 1:250,000
1943 · Hogan
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000