1950 Map of Upper Red Rock Lake, 1954 Print
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1950 Map of Upper Red Rock Lake

USGS Topo · Published 1954

About this map

The Centennial Valley high country is captured here during the post-war era, showing a landscape defined by the Red Rock Lakes National Wildlife Refuge and large-scale ranching operations. The expansive waters of Upper Red Rock Lake and Swan Lake dominate the western flats, while the Continental Divide forms a sharp natural boundary to the south. This 1950 survey documents a network of family-owned holdings like the Hanson Ranch, Cook Sheep Ranch, and Orr Ranch that existed alongside emerging recreation spots such as Selby Resort on the shores of Elk Lake. Beyond the valley floor, the map details the transition into the Beaverhead National Forest, where pack trails and jeep trails wind toward high-elevation landmarks like Mt Jefferson and Nemesis Mtn, illustrating the dual uses of the land for livestock grazing and wilderness access.


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Map Details

Date Portrayed1950
Date Published1954
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17 x 20.8 inches

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Source Details

CopyrightPublic Domain