1951 Map of Mt. George, 1952 Print
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1951 Map of Mt. George

USGS Topo · Published 1952

About this map

The rugged highlands of the Chimiles and Twin Sisters ranges dominate this 1951 topographic survey of the hills east of Napa. The landscape is defined by a series of steep canyons and water catchments, including Lake Madigan, Lake Frey, and Lake Marie, which serve the agricultural and domestic needs of the surrounding valleys. Civil engineering is evident in the water control structures of Suisun Reservoir and the Green Valley Falls, while the transition toward recreation and estate development is marked by the presence of the Napa Valley Country Club and the Green Valley Golf Club.


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Map Details

Date Portrayed1951
Date Published1952
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 27 inches

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Source Details

CopyrightPublic Domain