
The Boulder Mountains dominate this high-country landscape in Powell County, where the headwaters of several critical drainages originate. This modern survey illustrates the complex watershed system of the region, specifically the branching network of Spotted Dog Creek. The drainage is meticulously detailed through its various reaches, including the North Fork, Middle Fork, South Fork, and West Fork.
22 named features on this map. Tap any name to fly to it.
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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 · Boulder
USGS Topo · 1:125,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1954 · Basin
USGS Topo · 1:62,500
1958 · Butte
USGS Topo · 1:250,000
1958 · Avon
USGS Topo · 1:62,500
1959 · Deer Lodge
USGS Topo · 1:62,500