1947 Map of El Portal, 1981 Print
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1947 Map of El Portal

USGS Topo · Published 1981

About this map

Merced River canyon serves as the central artery for this 1947 study, where the narrow valley floor accommodates the All-Year Highway and small settlements like El Portal and Rancheria Flat. The map documents a rugged landscape at the western gates of Yosemite National Park, defined by steep canyon walls and isolated outposts. The northern reaches show the protected Merced Grove Big Trees within the park boundary, while the surrounding Stanislaus National Forest and Sierra National Forest are marked by named peaks such as Trumbull Peak and Eagle Peak.


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Map Details

Date Portrayed1947
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

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Source Details

CopyrightPublic Domain