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1955 Map of Bradfield canal A-6

Name: 1955 Topographic Map of Bradfield canal A-6
Creator: U.S. Geological Survey
Published: 1959
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1959

About this map

Bradfield Canal and Ernest Sound dominate this mid-century survey of the Tongass National Forest, where the complex waterways of the Alexander Archipelago are charted in fine detail. The coastal landscape is defined by deep inlets and high glacial valleys, with a solitary Cabin situated near Anan Lagoon serving as a rare marker of human habitation in the wilderness. This location, where Anan Creek drains from Anan Lake into the bay, highlights a critical ecological corridor between the freshwater interior and the marine environment.

Water systems like Blake Channel and Seward Passage provide the primary routes around Wrangell Island and Deer Island. To the south, high-altitude water bodies such as Boulder Lake and Lake Rowena sit among the peaks, feeding various drainages like the East Fork and Walker Creek. The map documents the intricate shoreline and bathymetry as understood in the years following the war, based on 1948 aerial photography and 1955 field annotations.