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2021 Map of Granite Mountains South, 2021 Print
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2021 Map of Granite Mountains South

USGS Topo · Published 2021

About this map

Granite Mountains dominate the northeastern reaches of this desert landscape, standing between the San Cristobal Valley to the west and the Growler Valley to the east. The terrain is defined by the winding course of the San Cristobal Wash, which cuts a broad path through the basin. In the southern portion of the sheet, the Bryan Mountains rise sharply, providing a second prominent uplift in this arid region. The boundary between Yuma and Pima counties bisects the valley, following a straight north-south line through the lowlands. This survey illustrates the physical divide created by the Saguaro Gap, a pass through the eastern ridges that serves as a natural connector between the high desert valleys. The lack of modern development emphasizes the persistent character of this corner of the Sonoran Desert, where land use is primarily defined by natural topography and historical county divisions.

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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2021 Granite Mountains South Map

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

Historical Maps of Pima County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain