2021 Map of Petersburg B-4 NE, 2021 Print
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2021 Map of Petersburg B-4 NE

USGS Topo · Published 2021

About this map

Sumner Strait dominates this maritime landscape, serving as a critical waterway within the Tongass National Forest along the rugged coast of Alaska. This 2021 survey details the intricate shoreline and scattered islands that define the northern reaches of the Alexander Archipelago. A cluster of features including Big Level Island, Little Level Island, and the broader Level Islands group provide navigational landmarks in the open water. The map also delineates the administrative boundary between the Petersburg Borough and Wrangell City and Borough, cutting diagonally across the strait. Coastal landmarks such as Point Saint John, White Rock, and Vichnefski Rock offer specific points of reference for mariners and researchers studying the nautical geography and territorial divisions of this remote region.


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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 Petersburg B-4 NE Map

This is the sole edition of this map. No revisions or reprints were ever made.


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Source Details

CopyrightPublic Domain