1958 Map of Del Sur, 1975 Print
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1958 Map of Del Sur

USGS Topo · Published 1975

About this map

The San Andreas Rift Zone creates a striking tectonic corridor through this portion of the High Desert, separating the floor of Leona Valley from the northern desert expanse. Mapping revisions from the mid-1970s illustrate the arrival of the California Aqueduct, which cuts across the landscape near the base of Ritter Ridge. The map reveals a transition from traditional high-altitude ranching to specialized agricultural operations, documented by the presence of the Eric Munz Ranch, Pitchfork Ranch, and the Univ of Calif Agricultural Field Station. Small settlements like Antelope Acres and Del Sur stand as localized hubs in an area defined by water management and mountain passes. To the south, the Angeles National Forest boundary marks the ascent toward Johnson Summit, overlooking the drainage of Amargosa Creek and the historic Elizabeth Lake-Willow Springs Road.


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Map Details

Date Portrayed1958
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

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CopyrightPublic Domain