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1945 Map of Iris
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1945 Map of Iris

USGS Topo · Published 1945

About this map

Coachella Canal and the Southern Pacific railroad corridor define the rigid transition from desert to irrigated agriculture in this Imperial County landscape. To the east, the Sand Hills and Chocolate Mountains remain largely undeveloped, punctuated only by isolated landmarks like Pegleg, Barth Well, and Hayden Well. To the west, a highly engineered grid of irrigation channels including the East Side Main Canal and the Central Canal supports a series of small outposts and agricultural hubs. The map reveals a systematic naming convention for these waterways, with alphabetical laterals and canals named for plants and trees, such as the Nectarine Canal and Mulberry Canal. Small settlements and rail stops like Flowing Well, Iris, Tortuga, and Amos trace the path of the railroad as it skirts the edge of the East Mesa, while Wiest Lake and the Alamo River provide rare permanent water features in the valley floor.

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Map Details

Date Portrayed1945
Date Published1945
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.3 x 21.8 inches

Editions of this 1945 Iris 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