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1936 Map of Del Sur

Name: 1936 Topographic Map of Del Sur
Creator: U.S. Geological Survey
Published: 1951
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1951

About this map

The San Andreas Rift Zone forms the dramatic geological spine of this landscape, cutting through the high desert terrain south of the Antelope Valley. This 1936 survey, updated with culture revisions through 1950, documents the early development of the Del Sur community and the grid-like expansion of numbered avenues such as Avenue J and Avenue K. The presence of several schools, including Leona Sch and Belle View Sch, alongside the Ritter Ranch, points to a settled rural economy balancing agriculture with emerging infrastructure like the prominent Transmission Line.

Water management is central to life here, evidenced by the numerous marked wells and the course of Amargosa Creek and Elizabeth Lake within the fault zone. Near Quartz Hill, an Aviation Field reflects the mid-century growth of aerospace and light industry in the region. The map provides a detailed view of the transition from the flat valley floor up into the steep elevations of Portal Ridge and Ritter Ridge.