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2019 Map of McGrath D-4 SW, 2019 Print
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2019 Map of McGrath D-4 SW

USGS Topo · Published 2019

About this map

The Big River winds through this interior Alaskan wilderness, exhibiting a complex network of tight meanders and oxbow lakes that define the low-lying terrain. As shown in this 2019 U.S. Geological Survey study, the landscape is almost entirely dominated by the river's hydrological patterns, with the watercourse shifting across a broad alluvial plain. The absence of any roads or permanent settlements within the grid underscores the isolation of the Yukon-Koyukuk Census Area, where the shifting river channel remains the primary geographical influence on the land. Detailed township and range lines, such as t32n r30w and t31n r30w, provide a cartographic framework for this vast, uninhabited stretch of the interior.

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Map Details

Date Portrayed2019
Date Published2019
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2019 McGrath D-4 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