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1956 Map of Copper Mtn

Name: 1956 Topographic Map of Copper Mtn
Creator: U.S. Geological Survey
Published: 1991
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1991

About this map

Naval Bombing Range operations occupy a significant portion of the landscape in this mid-century survey of the California Coast Ranges. The terrain is defined by deep incisions like Hospital Canyon and Blind Mans Gulch, which channel water toward Del Puerto Creek. While the land is primarily used for grazing and military training, evidence of earlier extraction persists at the Adobe Mine and various Prospect locations scattered throughout the hills.

Settlement patterns are sparse, represented by outposts like Oak Flats Ranch and the community grounds at Frank Raines Park. The map also reveals essential water sources in this arid environment, including Salt Grass Springs and several reservoirs. These features, along with the transition from Adobe Creek to the plains, illustrate the complex relationship between seasonal water management and the rugged topography of the Copper Mtn area during the post-war era.