1954 Map of Karlo, 1964 Print
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1954 Map of Karlo

USGS Topo · Published 1964

About this map

The Southern Pacific railroad corridor defines the development of this high-desert landscape in Lassen County, running through the heart of the Secret Valley. The small settlement of Karlo serves as a focal point along the tracks, supported by a Water Tank and a nearby Air Strip, reflecting the logistical needs of mid-century transportation and land management. Further north, the Snowstorm Ranch sits at the base of Snowstorm Mountain, illustrating the historical ranching patterns of the region.


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Map Details

Date Portrayed1954
Date Published1964
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.7 x 20.8 inches

Editions of this 1954 Karlo Map


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Source Details

CopyrightPublic Domain