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1969 Map of Idria, 1980 Print
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1969 Map of Idria

USGS Topo · Published 1980

About this map

Idria sits at the heart of this mineral-rich landscape, where industrial mercury mining defined the local economy and geography for generations. The map reveals an extensive network of extraction sites, most notably the massive New Idria Mine and the San Carlos Mines further south near San Carlos Peak. These operations are supported by a complex infrastructure of jeep trails and the New Idria Road, which connects the settlement to outlying agricultural sites like Ashurst Ranch.

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Map Details

Date Portrayed1969
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.5 x 26.8 inches

Editions of this 1969 Idria Map

Historical Maps of Idria Through Time

108 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain