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2021 Map of Attu D-4 SE, 2021 Print
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2021 Map of Attu D-4 SE

USGS Topo · Published 2021

About this map

The Bering Sea dominates this coastal survey of the westernmost reaches of the Aleutian Islands. This 2021 study focuses on a largely uninhabited shoreline where maritime boundaries and Public Land Survey System designations like T83s R263w and T83s R264w provide the primary framework for navigation and land management. The absence of contour lines, noted in the margin as due to elevation data accuracy requirements, results in a stark representation of the water-to-land interface. The map documents the specific coastal configuration of the Attu D-4 SE quadrangle at the beginning of the 2020s, serving as a baseline for environmental and hydrographic researchers interested in this remote Alaskan maritime frontier.

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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2021 Attu D-4 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