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1948 Map of Sumdum B-4, 1958 Print
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1948 Map of Sumdum B-4

USGS Topo · Published 1958

About this map

Glacial carvings and deep fjords define this portion of the Tongass National Forest along the mainland coast. The prominent Port Houghton serves as the primary waterway, branching into the Walter Island Arm and leading toward a significant Tidal Flat. High-altitude surveying points like VABM 5188 Triple C and Washington Peak mark the steep elevations that rise abruptly from the sea.

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Map Details

Date Portrayed1948
Date Published1958
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions17 x 20.7 inches

Editions of this 1948 Sumdum B-4 Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain