1988 Map of Little Horn Mountains
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1988 Map of Little Horn Mountains

USGS Topo · Published 1988

About this map

Kofa National Wildlife Refuge dominates the western portion of this desert landscape, where the Kofa Mountains rise abruptly from the surrounding basins. This 1980s era survey illustrates a transition from protected wildlands to large-scale military and recreational areas. The Yuma Proving Ground occupies a central swath of the territory, while the southeast corner features the course of the Gila River near Painted Rocks State Park. The region is defined by wide expanses like the Palomas Plain and Hyder Valley, which are dissected by an intricate network of seasonal drainage systems including Hoodoo Wash, Red Wash, and Centennial Wash. These desert washes, though often dry, dictate the movement and settlement patterns across the Little Horn Mountains and neighboring ranges during this period of Southwest development.


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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions43.7 x 24.1 inches

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CopyrightPublic Domain