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1970 Map of Moonridge

Name: 1970 Topographic Map of Moonridge
Creator: U.S. Geological Survey
Published: 1983
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1983

About this map

The community of Sugarloaf and the high-elevation development of Moonridge anchor this study of the eastern San Bernardino Mountains. Set during a period of transition in land use, the map documents the recreational infrastructure of the area, featuring the Gold Mine Ski Area and an extensive network of youth and religious retreats like Camp San Gorgonio, Camp Akela, and University Camp. These sites are clustered around the drainage of the Santa Ana River and the high flats of the San Bernardino National Forest.

The landscape is defined by its deep canyons and peaks, including Grinnell Mtn and Heart Bar Peak. To the south, the Heart Bar State Park and the rugged San Gorgonio Wilderness provide a stark contrast to the emerging residential tracts near Erwin Lake. This survey preserves the exact placement of old camps and campgrounds, such as the Vaquero Campsite and College Camp, before many were consolidated or modernized.