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1940 Map of Iris, 1956 Print
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1940 Map of Iris

USGS Topo · Published 1956

About this map

The Southern Pacific railroad cuts a diagonal line across this landscape, linking remote stops like Iris, Tortuga, and Amos within the arid terrain. To the west, a highly organized grid of irrigation canals and roads supports the agricultural development of the Imperial Valley. These water features, ranging from the Coachella Canal to specific laterals like the Marigold Canal and Mulberry Canal, reveal a massive effort to transform the desert into productive land.

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Map Details

Date Portrayed1940
Date Published1956
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.97 x 20.98 inches

Editions of this 1940 Iris Map

Historical Maps of Calipatria Through Time

419 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain