
Clancy and the neighboring community of Alhambra anchor the northern reaches of this mid-century survey, situated along the Great Northern railway line. The landscape is defined by the high elevations of the Elkhorn Mountains and Helena Mountains, where dense networks of mining claims reveal the area's industrial importance. Notable operations such as the Golden Age Mine, Sourdough Mine, and Big Tizer Mine are scattered across the rugged terrain, often accessed by primitive routes like the Dutchman Road.
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5 editions found
1886 · Fort Logan
USGS Topo · 1:250,000
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Boulder
USGS Topo · 1:125,000
1899 · Helena
USGS Topo · 1:62,500
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1949 · Radersburg
USGS Topo · 1:62,500