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1959 Map of Valyermo

Name: 1959 Topographic Map of Valyermo
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The San Andreas Rift Zone serves as a stark geological divide on this late 1950s survey, separating the high peaks of the San Gabriel Mountains from the alluvial terrain of Cima Mesa. The map details a landscape defined by seasonal watercourses like Big Rock Creek and specialized mountain infrastructure, including the Crystal Lake Recreation Area and numerous organizational retreats such as Camp Singing Pines and Camp Christian.

Settlement patterns follow the valley floor and foothills, with St Andrews Priory and Valyermo anchoring the rural road network. High-altitude landmarks like Mt Baden-Powell and Waterman Mtn dominate the southern half, while the presence of the Llano Racetrack and several landing strips suggests the area's role as a recreation and transit corridor during the mid-century expansion of Los Angeles County.