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1964 Map of Araz

Name: 1964 Topographic Map of Araz
Creator: U.S. Geological Survey
Published: 1978
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1978

About this map

The Fort Yuma Indian Reservation and its intricate network of irrigation laterals dominate the southeastern portion of this landscape, where the All American Canal and the Yuma Main Canal provide the essential water infrastructure for this desert region. The map shows a clear transition from the managed hydrology of the reservation—defined by features like Tenino Lateral and Walapai Lateral—to the arid expanses of the Cargo Muchacho Mts and Picacho Wash to the north.

The Southern Pacific railroad line runs parallel to the canal system, passing through the Araz (Site). Historical boundaries are prominently marked, including the Old Indian Treaty Boundary which cuts across the central washes. This 1964 field-checked survey reveals the intersection of industrial utility at the Pilot Knob Substation and the legacy of tribal land management, providing a detailed view of the Imperial County borderlands before modern expansion changed the character of the Colorado River valley.