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historical topo map of Contra Costa County, CA in 1949

1949 Map of Briones Valley

USGS Topo · Published 1949

This historical map portrays the area of Briones Valley in 1949, primarily covering Contra Costa County as well as portions of Alameda County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Briones Valley region at the time. Published in 1949, it is one of 2 known editions of this map due to revisions or reprints.

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Map Details

Date Portrayed1949
Date Published1949
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.3 x 27.2 inches

Editions of this 1949 Briones Valley Map

Historical Maps of Contra Costa County Through Time

30 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain