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1954 Map of Trigo Peaks, 1976 Print
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1954 Map of Trigo Peaks

USGS Topo · Published 1976

About this map

The Trigo Mountains dominate this arid landscape along the western edge of Yuma Co, characterized by sharp peaks and a complex network of desert washes. Topography by plane-table surveys from the 1930s was updated here in the mid-1950s, revealing a region largely defined by its military use and physical barriers. Large portions of the terrain are designated as a Military Reservation and the Proving Ground Military Reservation, restricting general access across the South Trigo Peaks and into the Chocolate Mts.

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Map Details

Date Portrayed1954
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.2 x 20.9 inches

Editions of this 1954 Trigo Peaks Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain