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1956 Map of Baldy Mesa

Name: 1956 Topographic Map of Baldy Mesa
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Baldy Mesa dominates this high desert landscape, characterized by a series of family ranches that defined the local land use during the mid-20th century. Established sites like Yucca Forest Ranch, Patterson Ranch, and Warner Ranch appear alongside the rugged southern edge of the San Bernardino National Forest. The infrastructure of the Mojave is evident in the path of the California Aqueduct and the Southern Pacific railroad lines that cut across the alluvial fans.

Water management is central to the area's development, with features such as Oro Grande Wash and Manzanita Wash channeling seasonal runoff from the higher elevations. The presence of Fish Ranch and White Ranch indicates the scattered nature of settlement in this arid region before late-century suburban expansion, providing researchers with a clear record of the early road networks, including Phelan Road, and the isolated wells and water tanks that supported desert life.