1951 Map of Chicago Park
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1951 Map of Chicago Park

USGS Topo · Published 1951

About this map

Chicago Park and the surrounding Sierra Nevada foothills appear here during a period of transition in the early 1950s. The landscape is heavily marked by gold-era industry, featuring numerous Placer Diggings and significant mining operations like the Lava Cap Mine and the Banner Mine. The map reveals the historical corridor of the Probable Route of the Donner Trail, which winds through the center of the sheet near Sontag Hill. Settlement patterns include established communities such as Peardale and Bear River Pines, alongside more isolated outposts like Hilltop Ranch and Head Ranch.


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Map Details

Date Portrayed1951
Date Published1951
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

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Source Details

CopyrightPublic Domain