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2012 Map of Diablo

Name: 2012 Topographic Map of Diablo
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

San Ramon and Danville anchor this 2012 survey, illustrating the dense suburban expansion into the foothills of the Diablo Range. The transition from established residential communities like Alamo Oaks and Green Valley to the planned luxury developments of Blackhawk is clearly visible. The landscape is defined by its deep canyons and ridges, including Emmons Canyon and Black Hawk Ridge, which separate the residential valleys from the higher peaks of the northern range.

Evidence of the area's mid-century management survives in the San Ramon Veteran Civilian Conservation Corps Camp, while the San Ramon Siding hints at the historical rail connectivity of the San Ramon Valley. To the north, the terrain becomes increasingly complex with features like Rock City and Barbecue Terrace, alongside numerous established campsites such as Pioneer Camp and Toyon Camp, marking the region's long-standing role as a recreational gateway.