1990 Map of Mustang Spring
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1990 Map of Mustang Spring

USGS Topo · Published 1990

About this map

The high desert landscape of Humboldt County is defined here by the sharp rise of the Bilk Creek Mountains and the solitary peak of Black Mountain. This 1990 provisional survey documents a region where survival is dictated by scattered water sources such as Mustang Spring, De Long Spring, and the seasonally vital Quinn River. Human activity is primarily industrial and ranch-based, evidenced by numerous prospects and borrow pits that dot the slopes, alongside a network of specialized infrastructure including the Radar Well and the Leuder Well windmill. The transition from the rugged elevations of Sand Canyon down to the Kings River Valley illustrates the complex topography that miners and ranchers navigated in the late 20th century.


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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1990 Mustang Spring Map

This is the sole edition of this map. No revisions or reprints were ever made.


Historical Maps of Humboldt County Through Time

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Source Details

CopyrightPublic Domain