Limestone Ridge and the Garnet Range dominate this 2020 landscape along the border of Granite and Powell Counties. The terrain is defined by a series of prominent peaks and gulches, including Campbell Mtn and Sturgeon Mtn, which overlook a network of high-altitude drainages such as Sturgeon Cr and Elk Swamp Cr. In the southern portion of the map, the landscape descends toward the valley of the Clark Fork river, where transportation corridors like Helmville Rd and Frontage Rd E parallel the water. The map traces several specialized routes such as Saddle Mt Lookout Rd and Mullin Trl, which navigate the steep elevations near Saddle Mt. This survey illustrates the modern configuration of mountain access roads and remote ridges in a region primarily shaped by its high-country topography and river access.
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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
1919 · Drummond
USGS Topo · 1:125,000
1921 · Drummond
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Drummond
USGS Topo · 1:62,500
1958 · Garrison
USGS Topo · 1:62,500