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1948 Map of San Marcos

Name: 1948 Topographic Map of San Marcos
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

The Atchison Topeka and Santa Fe railroad serves as the primary corridor through this mid-century Southern California landscape, connecting the growing communities of Vista, Buena, and San Marcos. This post-war era shows a region in transition from agrarian ranching to suburban development, anchored by the Palomar Junior College and High School and aviation hubs like San Marcos Valley Airport and McCormick Airfield.

Elevated terrain dominated by the San Marcos Mountains and Merriam Mountains defines the northern reaches, while the valley floor is etched by Agua Hedionda Creek and Los Vallecitos Creek. Local education is well-represented by rural landmarks such as Rich-mar Sch and Richland Sch. The presence of Pechestein Res and a Quarry indicates the active management of water and mineral resources essential for the area's expansion into Twin Oaks Valley.