Swan Valley and the neighboring settlement of Irwin anchor the southwestern corner of this Idaho high-country survey, where local life follows the valley floor of the Snake River drainage. The landscape is dominated by the Targhee National Forest, a terrain of high ridges and deep canyons including Baldy Canyon, Dry Elk Canyon, and Woodpecker Canyon. Named summits like Thompson Peak, Atkinson Peak, and Baldy Mtn define the horizon, while the water network is anchored by Lower Palisades Lake and the drainage of Palisades Cr.
72 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.
1932 · Irwin
USGS Topo · 1:96,000
1935 · Irwin
USGS Topo · 1:125,000
1943 · Driggs
USGS Topo · 1:62,500
1943 · Garns Mtn
USGS Topo · 1:62,500
1946 · Driggs
USGS Topo · 1:62,500
1946 · Garns Mtn
USGS Topo · 1:62,500
1955 · Driggs
USGS Topo · 1:250,000
1958 · Driggs
USGS Topo · 1:250,000
1962 · Driggs
USGS Topo · 1:250,000
1966 · Palisades Peak
USGS Topo · 1:24,000