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2020 Map of Unalaska D-1 SW, 2020 Print
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2020 Map of Unalaska D-1 SW

USGS Topo · Published 2020

About this map

The Bering Sea dominates this maritime survey, illustrating a remote stretch of the Aleutian Islands maritime landscape. This portion of the archipelago is defined by its administrative boundaries rather than terrestrial settlements, marking the transition between the Aleutians West Census Area and Aleutians East Borough. The map primarily serves as a record of maritime territory and public land survey divisions, including T70s R114w and T71s R115w. It highlights the expansive reach of the North Pacific waters in a region where land is sparse and maritime navigation is the primary focus.

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Map Details

Date Portrayed2020
Date Published2020
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2020 Unalaska D-1 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