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1982 Map of Blackburn Canyon
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1982 Map of Blackburn Canyon

USGS Topo · Published 1982

About this map

The San Bernardino National Forest dominates this mountain landscape, defined by the sharp descent from Blackburn Ridge and Rouse Ridge into the canyon systems of the San Jacinto River. In the early 1980s, this area served as a critical intersection of water management and forest service operations, anchored by the Cranston FS Station and a network of technical sites including a Gaging Station and a Lookout Tower Radio Facility atop Red Mountain.

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Map Details

Date Portrayed1982
Date Published1982
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 27.2 inches

Editions of this 1982 Blackburn Canyon Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain