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1964 Map of Boulder Chain Lakes, 1965 Print
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1964 Map of Boulder Chain Lakes

USGS Topo · Published 1965

About this map

White Cloud Peaks dominate this high-altitude landscape in the mid-1960s, a period before this wilderness received formal federal protection. The map detail highlights an intricate network of alpine water bodies, including the namesake Boulder Chain Lakes and the Big Boulder Lakes cluster. These subalpine basins, such as Chamberlain Basin and Spring Basin, are carved into the steep slopes surrounding Castle Peak and Patterson Peak. The terrain is strictly divided by the National Forest Boundary, marking the transition between the Challis National Forest and Sawtooth National Forest. While the area is primarily defined by natural features like Little Redfish Lake and the headwaters of Big Boulder Creek, a solitary Mine symbol near the center of the sheet and the Little Boulder Creek Trail indicate the early human footprint of resource extraction and backcountry exploration in this remote Custer County interior.

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Map Details

Date Portrayed1964
Date Published1965
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.1 x 26.8 inches

Editions of this 1964 Boulder Chain Lakes Map

Historical Maps of Custer County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain