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2012 Map of Mendota Dam

Name: 2012 Topographic Map of Mendota Dam
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

The San Joaquin River and its complex network of managed waterways define this agricultural landscape in the Central Valley. At the heart of the map lies the Mendota Pool, a critical water management hub where the river meets the Fresno Slough and is regulated by the Mendota Dam. The terrain is characterized by a high concentration of irrigation infrastructure, including the prominent Chowchilla Canal, Aliso Canal, and smaller channels like Helm Ditch and Ridge Ditch.

Large-scale agricultural operations are marked by named holdings such as New Columbia Ranch, Aliso Ranch, and Pomona Ranch, illustrating the industrial farming character of Fresno County in the early 21st century. The map also captures the local transportation and utility grid, from Mendota Airport on the southern edge to the diagonal path of Firebaugh Blvd and the rectilinear alignment of Avenue 7 and Road 16.