Salmon National Forest dominates this high-altitude terrain in the Salmon River Mountains, where the landscape is defined by the steep drainages of Williams Creek and Deep Creek. The map documents a complex network of forest roads and trails, including the Thunder Mountain Historic Ridge Rd and the Ridge Road to Iron Lake, reflecting the region's legacy of remote access and mountain transit. Key landmarks like Williams Creek Summit and Lake Mountain provide orientation in a territory marked by localized features such as China Spring and Perreau Meadows. This 2017 survey details the hydrological patterns of several forks, including the N Fork Williams Cr and S Fork Williams Cr, illustrating how the watershed shapes the rugged topography of Lemhi County.
51 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.
1950 · Salmon
USGS Topo · 1:62,500
1950 · Leesburg
USGS Topo · 1:62,500
1951 · Leesburg
USGS Topo · 1:62,500
1951 · Salmon
USGS Topo · 1:62,500
1955 · Dubois
USGS Topo · 1:250,000
1955 · Dillon
USGS Topo · 1:250,000
1956 · Elk City
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000
1957 · Challis
USGS Topo · 1:250,000
1958 · Dubois
USGS Topo · 1:250,000