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1989 Map of El Centro

Name: 1989 Topographic Map of El Centro
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Imperial Valley agriculture and the stark arid landscapes of the Yuha Desert define this transborder study. The map documents the intricate irrigation network surrounding major hubs like El Centro, Brawley, and Calexico, where the New River and Alamo River cut through the reclaimed basin. To the west, the Yuha Recreation Lands and Yuha Basin reveal specialized terrain features including the Shell Beds and Yuha Buttes.

Military and academic footprints are prominent, from the sprawling El Centro Naval Air Facility to the University of California Imperial Valley Field Station. South of the border, the survey extends into Baja California Norte, detailing the urban expansion of Mexicali and numerous outlying agricultural settlements like Islas Agrarias and Flores Magón. The eastern edge is dominated by the dramatic Algodones Dunes and the East Mesa, contrasting the dense valley development with open desert floor.