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2020 Map of Unimak A-3 SW, 2020 Print
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2020 Map of Unimak A-3 SW

USGS Topo · Published 2020

About this map

Tigalda Island forms the primary landmass in this remote island group within the Fox Islands and Krenitzin Islands. Located in the larger Aleutian Islands chain, the island's steep, ridged terrain rises sharply from the Pacific Ocean. Notable topographic landmarks such as Agaagilagukux and Angaakix characterize the southern reach of the island, where the land falls away into the sea. The map detail reflects the untouched nature of this environment, focusing on the natural contours and shoreline of the island without any evidence of permanent human settlements, roads, or industrial development. This survey provides a precise look at the landforms of the archipelago as they were documented in the early twenty-first century, emphasizing the sheer elevation changes typical of this volcanic region.

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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 Unimak A-3 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