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2021 Map of Unalaska B-3 NW, 2021 Print
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2021 Map of Unalaska B-3 NW

USGS Topo · Published 2021

About this map

Cathedral Point and the dramatic coastal formations of Cathedral Rocks define the northern shoreline of this maritime landscape in the Aleutians West Census Area. The region is characterized by deep glacial indentations including Makushin Bay and Humpback Bay, where the land meets the Pacific Ocean. This survey details a remote volcanic environment where steep interior contours descend toward prominent coastal landmarks like Tarasof Point and Iksiak Point. Small islands such as Peter Island sit offshore near Anderson Bay, illustrating the fragmented coastline of the archipelago. Further south, the map tracks the sheltered waters of Naginak Cove and Skan Bay, providing a precise look at the uninhabited natural harborages and terrain of Unalaska Island.

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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 Unalaska B-3 NW 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