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1958 Map of Lost Horse Mtn

Name: 1958 Topographic Map of Lost Horse Mtn
Creator: U.S. Geological Survey
Published: 1959
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1959

About this map

The Lost Horse Mine and the Hidden Gold Mine stand as prominent markers of the mining activity that once defined these mountains. Located within the Joshua Tree National Monument Boundary, the landscape is a network of arid basins and steep ridges, including Ryan Mountain and the Hexie Mountains. A system of water catchments such as Sheep Pass Tank, Ivanpah Tank, and Squaw Tank underscores the critical importance of water management in this desert environment.

Industrial infrastructure is represented by the massive Colorado River Aqueduct and associated pipelines cutting through the southern canyons. Recreation and tourism during the late 1950s are visible through established sites like Jumbo Rocks Campground and the panoramic Salton View. The map also preserves historical sites like Pinyon Well (Site) and various Mine Dumps, providing a clear record of both the natural topography and the human efforts to extract resources from the San Bernardino Mountains.