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1942 Map of Branch Mtn

Name: 1942 Topographic Map of Branch Mtn
Creator: U.S. Geological Survey
Published: 1942
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1942

About this map

The Sierra Madre Mountains and San Rafael Mountains converge in this high-elevation terrain during the early 1940s, marked by the winding course of the Cuyama River. This river corridor serves as the primary boundary between San Luis Obispo and Santa Barbara counties, providing a vital water source in an otherwise arid landscape. The map reveals a network of working livestock operations and remote homesteads, including the Avenales Ranch, Buckhorn Ranch, and Rice Ranch, reflecting the region's enduring ranching economy.

Prominent peaks like Branch Mtn, Stanley Mtn, and Miranda Pine Mtn tower over complex canyon systems. The presence of the Pine Canyon Guard Sta and a sparse network of roads and trails indicate the early development of forest management and fire protection in these highlands. The surveying also identifies unique geological features such as the Big Rocks and Twin Rocks, alongside numerous seasonal springs like Grizzly Spr and Aqua Escondida.