1921 Map of Mendota
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1921 Map of Mendota

USGS Topo · Published 1921

About this map

The San Joaquin River and its intricate network of irrigation and drainage channels dominate this San Joaquin Valley landscape in the early 1920s. This survey, conducted shortly after the first World War, illustrates the transformation of the region into an intensive agricultural hub. Key ranching operations such as White House Ranch, Pomona Ranch, and Columbia Ranch are distributed throughout the basin, while the Aliso Canal and Chowchilla Canal demonstrate the sophisticated water management systems required for local industry. Near the southern edge, the settlement of Mendota serves as a central point for these operations. The presence of Aliso Mill and various water bodies like Mowry Lake and Lone Willow Slough highlights the era's reliance on the natural hydrology of the river forks and artificial canals to sustain the burgeoning ranching economy.


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Map Details

Date Portrayed1921
Date Published1921
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions17.8 x 21.9 inches

Editions of this 1921 Mendota Map

This is the sole edition of this map. No revisions or reprints were ever made.


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Source Details

CopyrightPublic Domain