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1959 Map of Briones Valley, 1965 Print
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1959 Map of Briones Valley

USGS Topo · Published 1965

About this map

The hills of Contra Costa County rise sharply in this late-1950s survey, defined by the major ridges of Pinole Ridge and Sobrante Ridge. The landscape is a mix of protected parklands like Charles Lee Tilden Regional Park and emerging suburban clusters near Orinda Village and Martinez. Critical water infrastructure dominates the lowlands, with the massive San Pablo Reservoir and Lafayette Reservoir providing key anchor points for the region's development.

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Map Details

Date Portrayed1959
Date Published1965
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 26.9 inches

Editions of this 1959 Briones Valley Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain