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1990 Map of Irwin
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1990 Map of Irwin

USGS Topo · Published 1990

About this map

Isolated ranching outposts and a complex network of seasonal lakes and meadows define this borderland region in the late 20th century. The settlement of Irwin serves as a small anchor in a landscape dominated by family-named landholdings, including Lefler Ranch, Hathorn Ranch, and McGinley Ranch. This 1990 survey captures the hydrological character of the Sandhills, where water management is visible through features like the Horseshoe Drainage Ditch and the Slim Meadow Ditch.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1990 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