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1940 Map of Camp Baldy

Name: 1940 Topographic Map of Camp Baldy
Creator: U.S. Geological Survey
Published: 1940
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1940

About this map

San Antonio Peak and the high ridges of the San Gabriel Mts dominate this 1934 topographic survey, which captures the area before mid-century development altered the canyon landscape. The settlement at Camp Baldy serves as a central point for mountain access, supported by the Camp Baldy Guard Station and a network of fire management infrastructure, including several named Firebreak lines cut across the steep slopes.

Resource extraction and early recreation are both evident on these slopes. Prospectors can trace the locations of the Gold Dollar Mine and Eagle Mine situated in the upper reaches of the canyons. The presence of the Sunset Peak Lookout and high-altitude routes like the Skyline Trail and Glendora Ridge Road reflect the importance of fire surveillance and early automotive tourism in these peaks along the Los Angeles Co San Bernardino Co line.