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1943 Map of Old Man Mountain

Name: 1943 Topographic Map of Old Man Mountain
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

Old Man Mountain 5495 anchors this high-elevation landscape along the border of Santa Barbara and Ventura counties, where the drainage systems of the Los Padres National Forest are clearly defined. During this mid-century period, the area remained largely undeveloped, with the Upper Hartman Ranch standing as a rare marked site of habitation amidst a complex network of canyons and peaks.

The map details a watershed divided between major drainages, including the Agua Caliente Canyon and the Upper North Fork Matilija Creek. Notable landmarks for hikers and researchers include the elevated meadows of La Carpa Potreros and the reliable La Carpa Spring. The terrain is punctuated by high summits like Monte Arido 6003 and Hildreth 5210, offering a precise record of the backcountry before modern fire roads and trail developments altered the access patterns of the region.