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1943 Map of Cuyama Ranch

Name: 1943 Topographic Map of Cuyama Ranch
Creator: U.S. Geological Survey
Published: 1960
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1960

About this map

The Cuyama River defines the natural and political boundary between San Luis Obispo and Santa Barbara counties as it flows through the wide Cuyama Valley. This 1943 military-directed survey captures the ranching character of the region during the war years, centered on the sprawling operations of the Cuyama Ranch and the Cuyama Ranch Headquarters. The landscape is marked by a network of irrigation systems, including a prominent ditch line that supported agriculture in this arid corridor.

To the south, the terrain rises into the protected lands of the Los Padres National Forest. Here, the map details the rugged topography of several canyons, including Branch Canyon and Salisbury Canyon. Local activity in these uplands is anchored by the Johnson Ranch and the Branch Canyon Guard Station, reflecting the intersection of private land use and federal forest management during the mid-20th century.