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1942 Map of San Antonio, 1967 Print
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1942 Map of San Antonio

USGS Topo · Published 1967

About this map

San Andreas Rift Zone geology dominates this landscape, where the high peaks of the San Gabriel Mountains meet the edge of the Mojave Desert. The mountain community of Wrightwood sits nestled in the Swarthout Valley, while the desert floor to the north is dotted with early 20th-century outposts such as Smith Ranch, Kunzel Ranch, and Phelan. This 1940s-era data reveals a remote network of trails and roads providing access to the rugged heights of Mt San Antonio (Old Baldy) via the Devils Backbone. Industrial history is represented by the Big Horn Mine near Mine Gulch, while scientific interest is marked by the Smithsonian Observatory. The map also captures several recreation sites, including Jackson Lake and the Big Pines Recreation Area, serving as early escapes for those traveling through Cajon Canyon or along Cajon Road.

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Map Details

Date Portrayed1942
Date Published1967
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62500
Physical Dimensions17.2 x 20.8 inches

Editions of this 1942 San Antonio Map

Historical Maps of Piñon Hills Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain