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1955 Map of Telegraph Peak, 1980 Print
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1955 Map of Telegraph Peak

USGS Topo · Published 1980

About this map

Wrightwood sits at the edge of the Swarthout Valley, serving as a gateway to the high-elevation terrain of the San Gabriel Mountains. This mid-century survey reveals a landscape shaped by both geologic forces and mountain recreation, dominated by the prominent San Andreas Rift Zone slicing through Lone Pine Canyon. The map details a network of early mountain infrastructure, including the Angeles Crest Highway and several high-altitude landmarks like Telegraph Peak and Thunder Mtn. Scattered across the foothills and canyons are several private holdings such as Nuss Ranch, Prudhon Ranch, and Sharpless Ranch, which represent the early residential and agricultural footprint in this rugged area. Recreational development is evident near Baldy Notch with the presence of a Ski Lift and Miners Bowl, while the Pioneer Historic Marker in Cajon Canyon notes the area's significance for early travelers.

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Map Details

Date Portrayed1955
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1955 Telegraph Peak Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Wrightwood Through Time

1743 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain