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1944 Map of Cobblestone Mountain

Name: 1944 Topographic Map of Cobblestone Mountain
Creator: U.S. Geological Survey
Published: 1944
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1944

About this map

Los Padres National Forest dominates this mid-century topography, where deep drainage systems like Agua Blanco Creek and Piru Creek carve through the landscape of the Ventura and Los Angeles county line. Settlement is sparse, represented by remote outposts such as Jayne Ranch and Kesters Camp, reflecting the land's primary use for resource management and preservation under the Sespe Game Refuge.

Distinctive geological formations are a focal point of this 1944 War Department survey, notably the depression known as The Pothole and the narrow passage at Devils Gateway. The Presence of the Ruby mine label suggests localized mineral interest amidst peaks like Cobblestone Mtn and White Mountain. The cartography by the Forest Service captures a wilder era of the Transverse Ranges before widespread modern development, documenting the complex network of canyons such as Hopper Canyon and Sulphur Canyon that define the regional watershed.