
The Lemhi Range dominates this portion of the Idaho interior, where high-altitude peaks and deep basins define the landscape within the Salmon National Forest and Challis National Forest. High points such as Yellow Peak and Gunsight Peak rise above an intricate system of drainages, including the headwaters of Big Timber Creek and Big Eightmile Creek. The map documents a network of footpaths used for mountain navigation, such as the Patterson Trl and Lake Fork Trl, which connect remote alpine features like Devils Lake and Dairy Lake. This topographic study illustrates the transition from high ridgelines down into the deep recesses of Devils Basin and Devils Canyon, revealing a terrain primarily shaped by glacial carving and the persistent flow of snow-fed streams like the Middle Fork Little Timber Creek.
30 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.
1935 · Borah Peak
USGS Topo · 1:125,000
1938 · Borah Peak
USGS Topo · 1:125,000
1955 · Dubois
USGS Topo · 1:250,000
1956 · Leadore
USGS Topo · 1:62,500
1956 · Patterson
USGS Topo · 1:62,500
1956 · Donkey Hills
USGS Topo · 1:62,500
1957 · Gilmore
USGS Topo · 1:62,500
1958 · Dubois
USGS Topo · 1:250,000
1980 · Leadore
USGS Topo · 1:100,000
1987 · West of Leadore
USGS Topo · 1:24,000