
The Continental Divide winds across this high-elevation terrain in the Helena National Forest, marking the watershed between the Atlantic and Pacific oceans. This 2001 revision, based on earlier surveys and mid-century topography, reveals a landscape defined by an intensive history of mineral exploration along the Lewis and Clark and Powell County border. Dozens of mining features, including a Mine Shaft, an Adit, and numerous Prospects, are concentrated near peaks like Meyers Hill and Esmeralda Hill. This density of extraction sites suggests the area's significance to local prospectors through the twentieth century. Water is a vital component of the landscape, with reliable points like Pauly Springs, Lois Lake, and Dana Spring situated among a network of drainages including Snowshoe Creek and Deadwood Creek. The presence of the Betor Ranch highlights the few pockets of human settlement in this high-altitude mining and timber country.
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This is the sole edition of this map. No revisions or reprints were ever made.
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