
Clancy (Clancy PO) and Alhambra anchor the northwestern edge of this mid-century landscape, where the Great Northern railway follows the valley of Prickly Pear Creek. The map reveals an area defined by heavy mineral extraction and forest management, with the Helena National Forest and Deer Lodge National Forest covering the high peaks and gulches. A high concentration of mining activity is centered near Elkhorn, including the Elkhorn Skyline Mine, Union Mine, and Hardcash Mine.
112 named features on this map. Tap any name to fly to it.
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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