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1984 Map of Twelvemile Spring
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1984 Map of Twelvemile Spring

USGS Topo · Published 1984

About this map

Mining operations and remote desert hydrology define this 1984 survey of eastern Inyo County. The landscape is dominated by the massive Resting Spring Range and the Nopah Range, which flank the broad expanse of the Chicago Valley. This area represents a classic Great Basin environment where resource extraction was the primary human imprint, evidenced by the presence of the Baxter Mine in the north and the Red Wing Mine and Gerstley Mine further south. These sites provide a record of the mid-to-late 20th-century mineral exploration in this corner of the Mojave Desert. Critical water sources like Twelvemile Spring stand out as essential landmarks in an otherwise arid terrain, highlighting the points of survival and settlement that guided early prospecting and travel routes between these mountain blocks.

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Map Details

Date Portrayed1984
Date Published1984
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.5 x 26.7 inches

Editions of this 1984 Twelvemile Spring 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