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1948 Map of Sumdum A-6, 1977 Print
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1948 Map of Sumdum A-6

USGS Topo · Published 1977

About this map

Kupreanof Island dominates this 1948 survey, showcasing the northern coastline where the land meets the expansive waters of Frederick Sound. The interior of the island is defined by the significant rise of Turn Mountain, while Gunnuk Creek drains the local topography toward the southwest. This map records the shoreline in fine detail, capturing maritime landmarks such as Pinta Pt, the hazards of Pinta Rocks, and the isolated position of Turnabout I. Entirely contained within the Tongass National Forest, the landscape remains largely undeveloped at mid-century, lacking any roads or trails. Notable coastal labels include Schooner Ore and Slate No 2, which provide specific points of reference along the northern edge of the island facing the sound.

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Map Details

Date Portrayed1948
Date Published1977
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain