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2017 Map of Sumdum D-6 SW

Name: 2017 Topographic Map of Sumdum D-6 SW
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

Washburn Peak and Wheeler Peak dominate the high ground of the Glass Peninsula, a narrow strip of land within the Tongass National Forest in Southeast Alaska. This map illustrates the intersection of deep-water channels and steep wilderness terrain, where the eastern shoreline of the peninsula meets the wide expanse of Stephens Passage. Along the coast, Point Glass serves as a prominent maritime landmark for those navigating between the mainland and the surrounding islands of the Alexander Archipelago.

The western edge of the map begins to reveal the waters of Seymour Canal, underscoring the peninsula's character as a thin mountainous spine. This 2017 survey reflects the enduring undeveloped nature of the region, where the landscape is defined by topographic contours rather than human infrastructure, preserving the same maritime and forest patterns that have characterized this part of the Unorganized Borough for generations.