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1990 Map of Palm Canyon
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1990 Map of Palm Canyon

USGS Topo · Published 1990

About this map

The Kofa Mountains dominate this 1990 provisional survey of Yuma County, illustrating a landscape defined by extreme elevation changes and sparse water sources. The map centers on the Kofa National Wildlife Refuge, where the high summits of Signal Peak and Ten Ewe Mountain overlook a network of deep canyons, including Four Palms Canyon and Hidden Canyon. The presence of Kofa Queen Mine Prospects and various unnamed prospects near Tunnel Mine Canyon indicates a history of mineral exploration in these arid peaks.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1990 Palm Canyon Map

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

Historical Maps of Yuma County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain