2021 Map of Petersburg C-4 NW, 2021 Print
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2021 Map of Petersburg C-4 NW

USGS Topo · Published 2021

About this map

Tongass National Forest dominates this coastal landscape, where the tides of the Alexander Archipelago meet the complex hydrology of the Alaska Panhandle. The waterway of Mitchell Tonka and the flows of Brown Creek define the northeastern corridor, while the lower reaches of the Castle River transition into a fractured coastline. This 2021 survey reveals a landscape largely shaped by its marine environment, featuring prominent landmarks such as Indian Point and a series of navigational features including Rookery Island, High Castle Island, and Big Castle Island. The presence of the Mitchell-Tonka road provides one of the few terrestrial points of access in an area otherwise characterized by its intricate shoreline and heavily forested interior. The map serves as a contemporary record of the shifting wetland boundaries and topographic contours of this protected wilderness area within the Petersburg Borough.


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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 C-4 NW Map

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


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Source Details

CopyrightPublic Domain