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1956 Map of Telegraph Peak, 1969 Print
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1956 Map of Telegraph Peak

USGS Topo · Published 1969

About this map

Swarthout Valley and the high ridges of the San Gabriel Mountains dominate this topographic study, which captures the region as it transitioned through the mid-1950s with late-1960s updates. The dramatic geology of the San Andreas Rift Zone bisects the terrain, creating a complex landscape of deep canyons and sharp peaks like Telegraph Peak and Thunder Mtn. The settlement of Wrightwood is visible in the northwest, while several family-held sites including Nuss Ranch, Clyde Ranch, and Nielson Ranch are scattered along the canyons and jeep trails.

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Map Details

Date Portrayed1956
Date Published1969
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1956 Telegraph Peak Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain