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1955 Map of Mount San Antonio, 1982 Print
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1955 Map of Mount San Antonio

USGS Topo · Published 1982

About this map

San Gabriel Mountains high country dominates this mid-century survey, defined by the geological transition of the San Andreas Rift Zone and the Swarthout Valley. The landscape is a hub of early 20th-century resource extraction and mountain recreation, with numerous lode sites like the Big Horn Mine and Native Son Mine etched into the steep ridges. The settlement at Wrightwood serves as the gateway to this alpine environment, while the interior is dotted with remote outposts such as Mine Gulch Camp and the Prairie Fork Guard Sta. From the summit of Mount San Antonio, also known as Old Baldy, drainage systems like Vincent Gulch and San Antonio Canyon carve deep paths through the Angeles National Forest, illustrating the difficult terrain that historical prospectors and early forest rangers navigated to establish a presence in the range.

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Map Details

Date Portrayed1955
Date Published1982
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1955 Mount San Antonio Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain