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1956 Map of Cajon, 1988 Print
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1956 Map of Cajon

USGS Topo · Published 1988

About this map

The San Andreas Rift Zone carves a dramatic path through this high-desert mountain pass, where the geological forces of the fault line create the distinct valley floor of Lone Pine Canyon. This 1956 survey, updated with 1980s data, illustrates the convergence of critical transportation infrastructure through the Cajon Pass, following the historical path of the At & SF RR and the Up RR as they navigate the steep gradients of the San Bernardino National Forest.

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Map Details

Date Portrayed1956
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1956 Cajon Map

Historical Maps of Hesperia Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain