Challis National Forest dominates this high-elevation terrain in Custer County, defined by the sharp divide between major drainage systems. The northern edge follows the winding course of the Salmon River, while the southern reaches are shaped by the East Fork Salmon River and its various tributaries. High points like Potaman Peak and the sprawling Railroad Ridge separate deep canyons and gulches.
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This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Custer
USGS Topo · 1:125,000
1922 · Custer
USGS Topo · 1:125,000
1929 · Bayhorse
USGS Topo · 1:125,000
1957 · Challis
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1963 · Challis
USGS Topo · 1:250,000
1963 · Bald Mountain
USGS Topo · 1:24,000
1963 · Clayton
USGS Topo · 1:24,000
1963 · Ziegler Basin
USGS Topo · 1:24,000
1963 · Bowery Peak
USGS Topo · 1:24,000