
The Continental Divide serves as the spine of this landscape within the Helena National Forest, marking the boundary between distinct watersheds in Lewis and Clark County. Mining history is evident across the terrain, notably at the Poorman Mines and numerous unnamed prospect pits scattered along the ridges. High-elevation surveillance is centered at the Granite Butte Lookout Tower atop Granite Butte, providing a vantage point over the complex drainage systems of Gould Creek and Little Prickly Pear Creek.
31 named features on this map. Tap any name to fly to it.
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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 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Avon
USGS Topo · 1:62,500
1959 · Elliston
USGS Topo · 1:62,500
1960 · Butte
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000