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1956 Map of Black River A-4, 1959 Print
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1956 Map of Black River A-4

USGS Topo · Published 1959

About this map

The northern Yukon-Koyukuk region is defined here by the winding course of the Little Black River, which cuts through a dense landscape of wetlands and small lakes. Surveyed in the mid-1950s using photogrammetric methods, the terrain rises from these low-lying water bodies toward the prominence of Bear Mountain in the southeast. Drainage from these heights flows via Bear Mountain Creek toward the river system. The absence of roads or established trails throughout this quadrangle reflects the isolated character of the Alaskan interior during this period, where the natural hydrography and high-altitude survey points like the VABM station served as the primary landmarks for navigation and mapping.

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Map Details

Date Portrayed1956
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions17.92 x 20.79 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain