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1955 Map of Bradfield canal B-3, 1983 Print
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1955 Map of Bradfield canal B-3

USGS Topo · Published 1983

About this map

The Tongass National Forest along the international boundary between British Columbia and Alaska is defined here by its massive glacial systems and high peaks. This 1955 survey, based on 1948 aerial photography, records a landscape dominated by the convergence of the Unuk River and the Blue River. The drainage patterns reveal the presence of Lava flows near First Canyon and the expansive waters of Blue Lake.

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Map Details

Date Portrayed1955
Date Published1983
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.8 inches

Editions of this 1955 Bradfield canal B-3 Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain