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1938 Map of Borah Peak

Name: 1938 Topographic Map of Borah Peak
Creator: U.S. Geological Survey
Published: 1938
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1938

About this map

Borah Peak dominates the high country of the Lost River Range in this mid-1930s survey of Custer and Lemhi counties. The landscape transitions from the jagged heights of Leatherman Peak and Dickey Peak down to the expansive Thousand Springs Valley, where the Big Lost River and Thousand Springs define the local hydrology. The area is characterized by a network of high-altitude passes such as Doublespring Pass and Horseheaven Pass, connecting the valley floor to the remote interior of the Salmon National Forest.

Human activity is concentrated in the basins and along the creek beds, evidenced by numerous family-named landmarks and essential community sites. Small educational outposts like Big Creek Sch and Goldburg Sch served the scattered residents of the Pahsimeroi River valley. Cattle and sheep ranching appear as the primary economic drivers, with the Double spring Ranch, Swauger Ranch, and Wood Ranch marking the edges of the wild terrain near the Pahsimeroi Ranger Station.