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1949 Map of Las Trampas Ridge
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1949 Map of Las Trampas Ridge

USGS Topo · Published 1949

This historical map portrays the area of Las Trampas Ridge 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 Las Trampas Ridge region at the time. Published in 1949, it is the sole known edition of this map.

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Map Details

Date Portrayed1949
Date Published1949
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1949 Las Trampas Ridge Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain