1956 Map of Cajon, 1969 Print
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1956 Map of Cajon

USGS Topo · Published 1969

About this map

The San Andreas Rift Zone carves a striking path through this high-altitude landscape where the Transverse Ranges meet. Centered on the critical transportation corridor of Cajon Pass, the map details a complex network of infrastructure as it existed in the mid-1950s, later updated in the late 1960s. Major rail lines including the Atchison Topeka and Santa Fe and the Union Pacific Railroad navigate the steep grades alongside early alignments of U.S. 66. Small settlements and outposts like Alray, Cajon, and Keenbrook are nestled within the San Bernardino National Forest. This survey also documents local geography such as Lone Pine Canyon and the Mojave River West Fork, capturing the era when this gateway was a primary artery for travelers and commerce entering the Los Angeles basin from the desert.


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Map Details

Date Portrayed1956
Date Published1969
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.3 x 27.2 inches

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Source Details

CopyrightPublic Domain