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1990 Map of Irwin SW
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1990 Map of Irwin SW

USGS Topo · Published 1990

About this map

The Niobrara River winds across the southern reaches of this landscape, its path defining the northern edge of the Lavaca Flats. This 1990 survey captures a region of Nebraska characterized by isolated ranching operations and the remnants of rural education hubs. The presence of School No 78 in the north and School No 41 in the east suggests a distributed settlement pattern where these small schoolhouses once served as vital community anchors for distant homesteads.

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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 SW 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