The Pahsimeroi Valley serves as a stark natural boundary where high mountain slopes meet a broad alluvial basin along the Lemhi and Custer County line. This landscape is defined by the drainage systems of the Pahsimeroi River and its tributaries, including Doublespring Cr and Goldburg Cr, which flow out from the foothills of the Lemhi Range. The settlement of Goldburg anchors the southeastern corner of the quadrangle, connected to the wider region by a network of ranch and forest roads. A significant portion of the northeastern terrain is managed within the Challis National Forest, where the topography rises sharply. The local road system, including the Pahsimeroi Rd and Farm To Market Rd, traces the historic routes of agricultural and livestock transit through this high-desert mountain environment.
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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 · Patterson
USGS Topo · 1:62,500
1956 · Donkey Hills
USGS Topo · 1:62,500
1956 · Doublespring
USGS Topo · 1:62,500
1956 · May
USGS Topo · 1:62,500
1958 · Dubois
USGS Topo · 1:250,000
1980 · Leadore
USGS Topo · 1:100,000
1989 · Mahogany Hill
USGS Topo · 1:24,000