2024 Map of Sumdum A-3 SW, 2024 Print
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2024 Map of Sumdum A-3 SW

USGS Topo · Published 2024

About this map

Tongass National Forest dominates this coastal landscape along the southeastern Alaskan panhandle, where high alpine summits meet the intricate shorelines of Thomas Bay. The terrain is defined by a series of prominent elevations, including Jefferson Peak, Rodman Peak, and Pierce Peak, which overlook remote glacial lakes such as De Boer Lake and Spurt Point Lake. Navigation and access in this wilderness are marked by coastal landforms like Point Vandeput and Spurt Point, while the Spurt Lake Trl offers a rare terrestrial route through the dense forest and complex topography. The presence of Ruth Island and the sheltered waters of Porter Cove illustrate the maritime character of this region, serving as a contemporary record of its untouched natural features and surveying boundaries.


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Map Details

Date Portrayed2024
Date Published2024
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2024 Sumdum A-3 SW Map

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


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CopyrightPublic Domain