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1950 Map of Thousand Oaks

Name: 1950 Topographic Map of Thousand Oaks
Creator: U.S. Geological Survey
Published: 1982
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1982

About this map

Thousand Oaks and the surrounding El Conejo region appear here during a period of significant suburban expansion, as indicated by the purple-tinted photorevisions added in 1981 to the original 1950 topography. This layer of development is superimposed over an older ranching and agricultural landscape, where features like Lang Ranch and Tang Ranch still defined large portions of the terrain. The Ventura Freeway serves as the primary spine of this growth, connecting established points like Triunfo Corner and Malibu Junction to new residential areas like Greenwich Village.

Natural landmarks and early recreational developments frame the valley, from the waters of Lake Sherwood and Lake Eleanor in the south to the Simi Hills and Simi Peak in the north. The map details the transition of the Russell Valley and Las Virgenes areas into the Santa Monica Mountains National Recreation Area, documenting how public parklands began to preserve the rugged canyons and ridges as the city of Thousand Oaks expanded toward its modern limits.