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1955 Map of Sunshine Peak

Name: 1955 Topographic Map of Sunshine Peak
Creator: U.S. Geological Survey
Published: 1992
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1992

About this map

Lava Mountains and the surrounding high desert terrain dominate this mid-century survey of the San Bernardino interior. The landscape is characterized by extensive volcanic deposits and notable geological formations such as Pisgah Crater, situated near the northeastern boundary. Evidence of early to mid-20th-century resource extraction is found throughout the area, with several mining operations indicated, including the Silver Cliff Mine, National Lead Mine, and Imperial Lode Mine. These sites suggest a history of prospecting for lead, silver, and other minerals in these isolated heights.

Institutional use of the land is also clearly delineated, with a significant portion of the territory designated as a Marine Corps Training Center. The presence of the Naval Reservation Boundary highlights the transition from private mining interests to military administration. Despite the arid environment, a localized Spring near Sunshine Peak points toward the critical importance of water sources for both the miners and early surveyors working this part of the California desert.