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1990 Map of Granite Mountains South
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1990 Map of Granite Mountains South

USGS Topo · Published 1990

About this map

The Granite Mountains dominate this Sonoran Desert landscape, where the convergence of the Barry M Goldwater Air Force Range and the Cabeza Prieta Wilderness and National Wildlife Refuge marks a unique intersection of military and conservation land use. The topography is defined by the sharp rise of the Bryan Mountains to the southwest and the broad expanses of the Growler Valley and Mohawk Valley. Drainage patterns are dictated by the ephemeral San Cristobal Wash, which cuts a path through the arid lowlands. While much of the terrain is marked as Restricted, rare localized water sources such as the Granite Pass Tank and geographic landmarks like Saguaro Gap provide essential reference points for navigating this unpopulated corner of Pima and Yuma Counties.

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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 Granite Mountains South 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