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historical topo map of Contra Costa County, CA in 1947

1947 Map of Las Trampas Ridge

USGS Topo · Published 1956

This historical map portrays the area of Las Trampas Ridge in 1947, 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 1956, it is the sole known edition of this map.

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Map Details

Date Portrayed1947
Date Published1956
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1947 Las Trampas Ridge Map

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

Historical Maps of Contra Costa County Through Time

30 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain