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1963 Map of Sonny Boy Lakes, 1970 Print
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1963 Map of Sonny Boy Lakes

USGS Topo · Published 1970

About this map

The North Fork and South Fork Cascade River converge within the Mt Baker National Forest, forming a deep drainage system that dictated early access to this part of the North Cascades. The 1963 field survey documents the Cascade Road and Sonny Boy Road as the primary corridors through the heavy timber, leading toward high-elevation landmarks like the Hidden Lake Lookout and the jagged Hidden Lake Peaks.

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Map Details

Date Portrayed1963
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.1 x 26.9 inches

Editions of this 1963 Sonny Boy Lakes Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain