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2017 Map of Petersburg D-6 SE

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

USGS Topo · Published 2017

About this map

Kupreanof Island and Kuiu Island dominate this coastal landscape, separated by the complex marine passages of Keku Strait and Rocky Pass. This area within the Tongass National Forest is defined by its intricate shoreline, where numerous small landforms such as Horseshoe Island, Berry Island, and Beacon Island dot the waters of the Gulf of Alaska. The presence of the Big John Bay Trail near Big John Bay suggests a corridor for coastal access and exploration through the forest.

Marine navigation features are prominent, including McNaughton Point, the hazards of Cucumber Reef, and Stadia Rock. The map details the drainage patterns of Hamilton Creek and Big John Creek as they meet the sea, illustrating the transition between the dense timberlands and the tidal environment. This 2017 survey provides a precise look at the wilderness geography of the Alexander Archipelago before any significant modern development.