
The Continental Divide National Scenic Trl winds through the high ridges of the Lewis and Clark Range, marking a rugged intersection of hydrology and history. Within the protected bounds of the Helena National Forest, the landscape is defined by a series of deep drainages including Alice Creek and Bartlett Creek, which feed into the upper reaches of the Blackfoot River. Historically significant passage points like Cadotte Pass show how early travel routes followed the natural breaks in the mountains.
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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 · Coopers Lake
USGS Topo · 1:125,000
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