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2015 Map of Westmorland East

Name: 2015 Topographic Map of Westmorland East
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

The Imperial Valley landscape dominates this 2015 survey, revealing the intricate water management systems essential to the agricultural heart of Imperial County. The complex network of irrigation and drainage is anchored by the Alamo River and New River, with the Vail Canal and Vail Supply Canal feeding a dense grid of laterals and drains. These waterways define the movement of water across the low-lying terrain, supporting settlements like Calipatria and Westmorland.

Smaller localities such as Verdant, Rockwood, and Hovley are integrated into this grid, often situated near vital water features like Ramer Lake and Finney Lake. The map illustrates the transition from high-density irrigation projects to the edge of the Salton Sink's drainage basin. For researchers, the sheer density of named drains and laterals, such as the Necterine Lateral and Nutmeg Drain, provides a precise record of how the desert was reclaimed for cultivation through engineered water distribution.