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1957 Map of Holtville

Name: 1957 Topographic Map of Holtville
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

Agricultural development in the Imperial Valley is defined by an intricate network of irrigation, centered on the settlement of Holtville. The Alamo River winds through the landscape, flanked by a rigid grid of canals and laterals such as the East Highline Canal and Pear Canal, which transformed the arid terrain into a productive farming region. Local infrastructure is well-documented, including the Southern Pacific railroad line and various community hubs like Meloland, Alamorio, and Date City.

Educational and institutional sites are prominent, featuring the University of California Imperial Valley Field Station and several rural schools like Magnolia Union Sch. The eastern edge of the survey transitions abruptly into the Sand Dunes, showing the sharp boundary between irrigated farmland and the desert. Notable landmarks such as the Holtville Outlying Field and the Imperial Valley Sanitarium provide insights into the mid-century social and military footprint of the area.