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1953 Map of Diablo

Name: 1953 Topographic Map of Diablo
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

Mt Diablo State Park dominates the northern landscape of this map, featuring landmarks like Rock City, Artist Point, and Fossil Ridge. The area transitions from the protected parklands and Mt Diablo State Game Refuge into the developing valley floors. By the late 1960s, urban expansion was rapidly pushing into the countryside, as seen in the purple-tinted growth around Danville and Alamo Oaks. Educational institutions such as the Athenian Sch and Monte Vista High Sch appear alongside established recreation sites like the golf course at Diablo.

The Southern Pacific railroad line runs parallel to San Ramon Creek, serving as a primary transportation artery for the region. Evidence of the area's agricultural and ranching foundations remains visible through features like Black Hawk Ranch and the numerous windmills scattered across the Sherburne Hills. This map documents a pivotal moment where rural landmarks and the San Ramon Siding met the suburbanizing pressures of the East Bay.