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2021 Map of Bradfield Canal B-3 NW, 2021 Print
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2021 Map of Bradfield Canal B-3 NW

USGS Topo · Published 2021

About this map

Lava Lakes dominate the northern landscape of this remote section of the Tongass National Forest, illustrating a complex hydrological system where water flows through the Lava Fork. The map documents the high-latitude wilderness at the international border between the Canada United States of America, where topographic details show the transition from the alpine elevations of Albert Ridge down to the river valleys. The presence of the Blue River in the southwestern corner highlights the intricate drainage patterns characteristic of this glacial and volcanic terrain, providing a clear record of the area's natural state in the early twenty-first century. This survey is particularly useful for understanding the exact placement of the international boundary line relative to the sharp elevation changes of the surrounding ridges.

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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2021 Bradfield Canal B-3 NW Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain