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1964 Map of Picacho, 1987 Print
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1964 Map of Picacho

USGS Topo · Published 1987

About this map

The Colorado River carves a dramatic path through this desert landscape, forming the natural border between California and Arizona within the Imperial National Wildlife Refuge. Along its banks, the settlement of Picacho and the Picacho Mill Ruins stand as reminders of the region's mining and milling history. The terrain is defined by a dense network of dry washes, including Red Cloud Wash and Yuma Wash, which drain the eastern slopes of the Trigo Mountains.

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Map Details

Date Portrayed1964
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.5 x 26.8 inches

Editions of this 1964 Picacho Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain