The Lewis and Clark Range dominates the terrain of this region within the Helena National Forest, where steep drainages and mountain passes define the local geography. In the southern portion of the quadrangle, the small settlements of Wilborn and Strom sit along the valley floor, connected by a network of historic transportation routes including the Old Toll Rd and Stemple Pass Rd. These roads parallel the courses of Willow Cr and Big Mill Cr, illustrating the traditional reliance on creek beds for transit through the high country.
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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
1943 · Hogan
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000