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1942 Map of Irwin
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1942 Map of Irwin

USGS Topo · Published 1942

About this map

The confluence of the San Joaquin River and Merced River anchors this 1940s landscape, illustrating a complex web of early Central Valley irrigation and transport. To the north, Turlock serves as a major hub on the Southern Pacific line, while the surrounding plains are crisscrossed by a sophisticated grid of water management features including the Ceres Canal, Stevinson Ditch, and High Line Canal.

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Map Details

Date Portrayed1942
Date Published1942
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.94 x 21.95 inches

Editions of this 1942 Irwin Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain