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1947 Map of Las Trampas Ridge, 1956 Print
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1947 Map of Las Trampas Ridge

USGS Topo · Published 1956

About this map

St Marys College and the winding course of the Southern Pacific railroad anchor this mid-century survey of the hills and canyons between the San Ramon Valley and the East Bay. The landscape is defined by the sharp elevations of Las Trampas Ridge and Rocky Ridge, which separate the burgeoning small towns of Alamo and Danville from the protected waters of the Upper San Leandro Reservoir.

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Map Details

Date Portrayed1947
Date Published1956
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
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.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain