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2019 Map of McGrath D-1 SE, 2019 Print
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2019 Map of McGrath D-1 SE

USGS Topo · Published 2019

About this map

The Little Tonzona River carves a central path through this subarctic terrain in the Yukon-Koyukuk region. In this part of the Alaska Interior, the hydrology is defined by the braided path of the river and the incoming waters of the Clear Fork. The map provides a look at the natural state of this drainage system before any major infrastructure, highlighting the complex network of mountain streams and topographic contours that dictate the flow toward the Tanana valley. This 2019 data captures the landscape at a point where traditional surveying boundaries like t32n r21w and t31n r20w meet the raw geographic reality of the river's winding course.

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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-1 SE 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