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2021 Map of Port Alexander C-3 NW, 2021 Print
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2021 Map of Port Alexander C-3 NW

USGS Topo · Published 2021

About this map

Tongass National Forest encloses this secluded maritime landscape on Baranof Island, where steep coastal ridges give way to narrow saltwater inlets. The terrain is defined by the deep indentations of the Great Arm and Small Arm, which reach into the island interior and create a complex shoreline accessible only by water. This high-resolution topographic study captures the freshwater systems that drain these slopes, most notably Politofski Lake in the north and Avoss Lake further south. Rising above the western shore of the Great Arm, Mt Emma serves as a prominent landmark in a region characterized by its lack of roads or permanent settlements. The map illustrates the extreme verticality of the Southeast Alaska coastline, where glacial activity has carved deep basins and high peaks within a dense temperate rainforest environment.

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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 Port Alexander C-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